Why does my Mercedes-Benz battery keep draining?

You try to start your Mercedes-Benz and the car is either completely dead or this happens: Battery drains happen when electronic equipment (consumer units) are constantly drawing current from the battery while the car is parked. One simple example is when lights are left on overnight. But it’s not always as simple as that.

What should I do if my car battery is draining?

Remove the key from the ignition and let the car sit for at least 15 minutes. In some models you may need to wait up to 30 minutes for all the electronic systems to go “to sleep”. This will allow the car to shut off any electronic consumers that stay on for a brief period after the car is parked.

Why does my ATV battery keep draining while riding?

A bad or corroded connected connection will prevent the charging system from topping off the battery when you are riding and may even cause a small drain of the battery on its own. Simply removing any corrosion from the terminal or fastening any loose connections may be adequate to fix this issue.

Why does my car battery drain in cold weather?

Common drains include glove box and trunk lights that come on, or remain on, when they shouldn’t. Extremely hot or cold temperatures. Hot or cold weather won’t kill a battery that’s new or in good shape, but a weak or old battery may fail in extreme conditions. Extremely hot or cold weather can also magnify other underlying issues.

What to do if your car battery is draining?

Assuming that the cause of the battery drain is not human error, you will need the assistance of a qualified mechanic who can diagnose your car’s electrical problems and determine if it’s a dead battery or something else in the electrical system.

Can a bad alternator drain a car battery?

A car alternator recharges the battery and powers certain electrical systems like lights, radio, air-conditioning, and automatic windows. If your alternator has a bad diode, your battery can drain. The bad alternator diode can cause the circuit to charge even when the engine is shut off, and you end up in the morning with a car that won’t start.

Can a car battery be too dead to jump start?

There is probably nothing worse than a dead car battery amid your possessions—at least, among your battery items, anyway. YES, a car battery can get so dead it will not receive a jump start anymore.

Can a car battery go dead from sitting?

If you expect your car battery to sit unused for more than a month, you should consider removing the battery and storing it away. Always store your battery at full charge. This will help prevent most damage and deterioration that can happen while in storage.

Why does my Mercedes medic draw so much battery?

A radio receiver in the car continuously listens for wake up signal from the key. As the car receives a signal in the assigned frequency it wakes up to validate the key. This causes current draw for several seconds. If the car is left parked in high pedestrian traffic areas this could be a problem.

Why is the battery draining on my Mercedes medic?

If the car is left parked in high pedestrian traffic areas this could be a problem. It may cause the battery to drain within a couple of days in some models. Try to turn off the proximity key function in your car by looking up the instructions on the owner’s manual.

Why does my car battery keep draining while sitting on the hood?

Even while your car is collecting leaves on its hood, your car battery is always being used in some fashion, which means it will continue to drain. That’s mainly because it’s still powering your car’s alarm system, climate control, computer systems, and any other electrical features it has on board.

How do you jump a dead car battery?

Use Jump Cables min 6 gauge although, a four gauge is better. Next, take the cables and connect the positive terminal of the working battery to the positive terminal of the dead battery. Be careful with the negative one as it should not hang freely.

Is there a battery leak in a Mercedes medic?

Check for any leakage if you have older lead acid battery. Absorbed Glass Mat (AGM) batteries are sealed and you don’t need to worry about leakage. AGM type batteries is what newer Mercedes-Benz cars use. Voltage Regulator may be defective and needs replacement. Test the alternator. Make sure it is generating enough amperage.

What does it mean when your car battery is draining?

A parasitic battery drain is just something that consistently and continually drains your battery. This could be a faulty relay, a headlight/dome-light switch, alternator, or any other electrical gremlins. Taking your car to a mechanic with an “unknown” culprit can cost you big bucks as well.

How to find and fix a parasitic battery drain?

You should see the multimeter display the number of Amps that are actively causing your battery drain. Use zip ties or small clamps to keep the multimeter leads connected to the battery terminal and battery wire. Tip: A normal operating vehicle will have about 50 milliamps of Amp draw on the battery.

How can I tell if my battery drain is DC or AC?

Turn on your multimeter and select the Amps (A) and make sure it’s set for DC (Direct Current). You should see a symbol like a solid line, with dashes underneath. You Don’t want AC (~), this is for your home’s electric.

What should I do if my Mercedes battery dies?

If the battery should die on your Mercedes-Benz, the airbag light on the instrument panel may stay on after you hook up a new battery. The oil light indicator also may stay on, and the radio may not work until you reset its code. You can reset the airbag and oil lights with a service-light reset tool…

What happens if battery goes bad on SL500?

Costco are pretty good in researching what they sell BTW. All lead acid batteries of whatever construction last MAX 5 years. Be warned a battery going faulty on the SL500 usually causes an alternator failure which in turn blows a SAM. Yes, exactly. Leave them both hooked up and in the car. It charges the rear and front batteries at the same time!

What kind of battery charger do I need for my 2003 SL?

I picked up a CTEK 3300 for my 2003 SL and hooked it up today. I installed the set of battery cables that connect directly to the battery terminals. Very convenient when I want to disconnect and go. I just draped the cable out the back of the trunk lid to the right with the charger itself outside on the floor of the garage.

How are batteries linked in a Mercedes Benz?

Both batteries are ‘linked’ right enough thru the alternator/battery management system. Eg if your starter battery is low enough that the door locks don’t open & you have to use the flat key then both batteries are used to start the car. Supposed to be to stop you being stranded.

How does the battery work on a Mercedes Benz?

The Mercedes-Benz E-Class batteries do not require maintenance as they are sealed units. The charging system uses a battery control module to monitor the state of charge and turns on the auxiliary battery by powering the auxiliary battery relay when the system’s voltage becomes too low.

Why is my Mercedes-Benz E class battery not working?

If the voltage rises above and/or drops below range, the voltage regulator may be at fault. The voltage regulator is described more closely in Step 4. If you want to monitor each battery’s voltage level independently, you will need to test directly at the battery with a DVOM (digital volt ohm meter).

How often should I replace the battery in my Mercedes E350?

Replace the battery in your 2008 Mercedes-Benz E350 4Matic 3.5L V6 Sedan once every 4 years for optimal performance. Watch this free video to see how to replace a dead battery in your 2008 Mercedes-Benz E350 4Matic 3.5L V6 Sedan

What can drain the battery on a Mercedes E350?

Last night I drove my E350 and parked it at 8pm. This morning my car didn’t start and it turned out to be a dead battery. The battery had 11 volts and did power some lights and almost turned over the engine. My question is what can drain the battery?

What makes a battery die in a Mercedes Benz?

There is a current draw on the battery causing it to die. If the CAN system is not seeing shut down of all control modules in the car then it is not going to “sleep” have a draw test done on the battery. A good current draw is 30mA (milliamps) or less anything over 60 is killing your battery. Sid advice is the only way to ascertain the problem.

What kind of battery does a Mercedes SL500 have?

216 with everything. 2002 SL500 with everything. 2009 SL500 with everything. You could have a fault in the reg pack on the alternator, just one diode with a reverse current leak will do this. they are cheap and easy to replace. An early 200 should pull no more than 35ma when locked.

How did I find out my battery was draining?

The drain was found by going to each fuse dock and testing the energy draw readings with a meter to see if any system was drawing power when it should not be doing so as the car was off. The amp, an issue MB has had problems with a lot, was drawing power when the radio/car were off and slowly over the course of a few days was draining my battery.

What causes battery to die on Mercedes medic?

A defective electrical system, Control Unit or a fault on the CAN Bus (Controller Area Network) are also causes that can cause your Mercedes-Battery battery to die. To troubleshoot the current draw, you need a multimeter that can perform current reading.

How can I tell if my car battery is draining?

Make sure it is generating enough amperage. Check that the glove box light does not stay on when the car is parked. The easiest way to check this is to open the glove box after the car is parked for a couple of hours. Place your hand near the glove box light bulb and feel it if it is warm. Be careful not to burn your hand.

Why is the battery draining on my CANbus?

After a 5 mile trip, the battery terminal voltage on point 24 was back to 14.0 vdc. This probably means there was some battery drain over night. Still suspect that the Controller Area Network (CAN) is not sleeping when the ignition is off.

How old is the battery on a Mercedes Benz?

I drive the car all day, and it’s at 800 by end of day (so the alt is charging the battery). For giggles, took in to advanced to have them test the charge system and they verified the battery and alternator are good. Battery BTW is only 1 month old. But, every morning, the car is completely dead and needs jump started.

How to reset steering angle sensor in Mercedes medic?

As the windows and the sunroof reach fully open / fully closed positions, continue to hold the switch down or up for 5 seconds. The steering angle sensor must be reset by turning the steering wheel to full left and full right with the engine running. Clear the BAS/ETS/ESP and other instrument cluster warnings.

How does the proximity key work on a Mercedes medic?

Proximity key allows you to walk up to the car and unlock the doors while the key is still in your pocket. A radio receiver in the car continuously listens for wake up signal from the key. As the car receives a signal in the assigned frequency it wakes up to validate the key.

What should the amperage reading be on a Mercedes medic?

As you remove each fuse you should check the amperage reading on the multimeter. If the multimeter reading is still high, reinstall the fuse and go to the next fuse. Continue removing and reinstalling all the fuses one at a time, until you pull one that makes the multimeter reading drop to below 0.5 A.

How much does a Mercedes C230 battery cost?

Your Mercedes-Benz C230 will be happy to know that the search for the right Battery products you’ve been looking for is over! Advance Auto Parts has 3 different Battery for your vehicle, ready for shipping or in-store pick up. The best part is, our Mercedes-Benz C230 Battery products start from as little as $149.99.

Are there any Mercedes 230B cabriolets for sale?

1937 Mercedes-Benz 230B Cabriolet: A Rare and Exciting Pre-War Open Mercedes This 1937 Mercedes-Benz 230B Cabriolet is a highly coveted rarity with only a handful being produced. Black over tan wit… More Info › 1963 Mercedes-Benz 230SL Roadster for sale!

Why is my Mercedes S550 window not responding?

To avoid this, cancel and sign in to YouTube on your computer. An error occurred while retrieving sharing information. Please try again later. FIXED! S550 Benz Window Switch NOT RESPONDING

What happens if you cant open the trunk of a Mercedes Benz?

Here are a few similar scenarios. The car battery has died and the battery is in the trunk. You locked the keys in the trunk and the battery is dead. Or you tried to manually unlock the trunk but can’t turn the key manually. So what do you do? Luckily, there is another way to power up your Mercedes-Benz.

Why is my key not working on my Mercedes?

Maybe your key fob isn’t working or car battery is dead and you are trying to unlock the trunk of your Mercedes-Benz. If your car battery is dead or the key fob remote has stopped working, you won’t be able to unlock your Mercedes-Benz or open the trunk. Keys locked in the trunk How to open Mercedes trunk.

This may seem obvious, but an old battery is the root of many headaches and can cause all sorts of malfunctions on Mercedes-Benz cars. How old is the battery on your Mercedes-Benz? While some MB owners have pushed over 10 years on an original battery, the battery should be considered for replacement around 6 or 7 years.

Why does my Mercedes not start when I charge the battery?

This Mercedes-Benz is not starting because of a low battery. In this case, what you need to do is trickle charge your battery using any of these 12 volt battery trickle chargers. If you need help read this article on How to charge a Mercedes-Benz the right way. Mercedes won’t start, and it’s not the battery.

How to jump start a Mercedes Benz battery?

Hint: For a safer method to jump start a Mercedes-Benz with a fully discharged battery see Method 3. Method 2 Jump start your car battery with a booster pack / jump starter box. Get a jump box that is powerful enough to turn over a Mercedes-Benz engine. Generally, you need a jump box that has 1000 peak amps or more.

How to jump start a W220 S500 S500 with dead battery?

This guide will show you how to jump start any of these cars: S430 S500 S600 S55 AMG | CL500 CL600 CL55 AMG. The easy way to jump start your S-Class is via the battery in the trunk. If the battery is dead and you can’t manually unlock the trunk, there is another method to jump start the car.

Where is the battery in a Mercedes Benz?

Locate the battery in the right side of the trunk of your S-Class Mercedes-Benz. Conect the postive (+) red clamp to the positive (+) terminal of the discharged battery. Connect the other other postive (+) red clamp to the postive (+) terminal of the charged battery.

How long does it take to replace air pump on S430?

You can replace the pump in less than an hour. During two years of ownership, the airmatic suspension on my s430 have frequently released air when first starting or cornering, it sounds similar to the sound of air releasing from the air brakes on a bus.

What does the AIRMATIC suspension on a S430 make?

During two years of ownership, the airmatic suspension on my s430 have frequently released air when first starting or cornering, it sounds similar to the sound of air releasing from the air brakes on a bus. The noise was easy to tolerate, so we always sloughed it off, and considered our car as kind of a ‘gassy girl.”

Why does the battery drain on my Mercedes W203?

W203 models and others from the late 1990s through the mid 2000s often have defective power seat modules that cause battery drain when the car is switched off. Fix it for nearly no time or money.

What to do when battery drains on Mercedes medic?

Find a way to secure the switch pushed in. Use a screwdriver to lock the door latch. Manually press the door switch. Find a way to secure the switch pressed. Use a screwdriver to lock the door latch. If you have a fuse box in the trunk, open the trunk but place the latch in locked position. Make sure you have a fully charged battery.

What causes a car battery to drain when turned off?

W203 models and others from the late 1990s through the mid 2000s often have defective power seat modules that cause battery drain when the car is switched off. Fix it for nearly no time or money. Loading…

Can a car battery be drained when the engine is off?

Keeping electronic items plugged in and operating, even after the car has been shut off, can drain a car battery enough to prevent it from starting the engine again later. Other Sources of Trouble A car battery might lose some of its charge for other reasons.

What can draw on a car battery when the car is off?

The problem generally is not the door or the trunk lid itself, but rather the interior lights that will continue to burn as long as the door or trunk remain open. Even a simple dome light left on by accident will draw enough power from the battery to drain it in a day or two, leaving the battery incapable of starting the car.

What should current draw be on Mercedes E350?

The diagnosis trees however indicates that anything close to 75mA is still a quite high current draw, and as BenzSid indicated, probing with a meter is still in order. That info is actually stored in the BCM (battery control module) on the negative terminal of the battery you’ll see a little black box.

When was the Mercedes-Benz’s 430 last serviced?

1st owner purchased on 05/18/04 and owne… Last serviced at 83,055 miles in Seattle… 1st owner drove an estimated 6,680 miles… No accident or damage reported to CARFAX.

Why does my battery drain after turning off the car?

Check the encyclopedia for some clues. It’s usually an electronic part that fails to go to “sleep” after the car is turned off. There are some steps that may help you locate the malfunctioning part – see the W220 S-Class Encyclopedia, the major heading of “Electrical” – then look for “Battery – sources of battery drain.”

When to replace a battery on a Mercedes Benz?

While some MB owners have pushed over 10 years on an original battery, the battery should be considered for replacement around 6 or 7 years. If you have an old battery replace it before you move to the next troubleshooting step.

Is the Mercedes Batterie seat control module recalled?

This is ridiculous (fraudulent) considering the frequency and number of reports that these Seat Control Modules haven’t been recalled and batterie charged or replaced at Mercedes Benz expense. I have to jump start it every morning. For some reason at night the battery is drained.

Why is my Mercedes Benz SCM not sleeping?

Likely the SCM’s not “sleeping”. This is ridiculous (fraudulent) considering the frequency and number of reports that these Seat Control Modules haven’t been recalled and batterie charged or replaced at Mercedes Benz expense. I have to jump start it every morning.

Where is the auxiliary battery on a Mercedes Benz W211?

This guide provides instructions on how to replace the auxiliary battery from 2003 through 2009 Mercedes-Benz E-Class W211 vehicles such as E320, E350, E500, E55 AMG, E63 AMG. Open the hood and locate the auxiliary battery on the passenger side of the engine bay.

What kind of engine does a Mercedes E320 have?

The E320 has six-cylinder engines with varying displacements. The E320’s powertrain was a 3.2-liter V-6 engine made entirely of aluminum. The E320 was fitted with Mercedes BlueTEC technology at the time, which transformed nitrogen oxide emissions into harmless nitrogen and water compounds.

What should fuse reading be on Mercedes medic?

The reading should ideally be under 0.05 ampere. Locate the fuse box in your car. Disconnect the fuses one at a time. As you remove each fuse you should check the amperage reading on the multimeter. If the multimeter reading is still high, reinstall the fuse and go to the next fuse.

Where is the battery in a Mercedes Benz E-class?

The Mercedes-Benz E-Class has one main battery in the trunk and an auxiliary battery in the engine bay. With so many electronic components, things go wrong and could end up draining one of the batteries.

Do you need maintenance on a Mercedes AMG battery?

This article applies to the Mercedes-Benz E-Class and E-Class AMG (2002-2009). The Mercedes-Benz E-Class batteries do not require maintenance as they are sealed units.

What to do when your car battery goes to sleep?

In some models you may need to wait up to 30 minutes for all the electronic systems to go “to sleep”. This will allow the car to shut off any electronic consumers that stay on for a brief period after the car is parked. Locate the battery in the trunk or in the engine compartment.

How can you tell when your car battery is draining?

This includes lights, radio, air conditioning, and more. You may be able to tell when your car battery starts to die if you find it difficult to start, have flickering lights, or a weakening alarm system. Your car battery may begin to drain for 8 reasons:

What does it mean when battery drain is slow?

A slow battery drain when everything is off is called a parasitic power loss. This happens when something – a glovebox light, an amplifier, any electrical component – is pulling power from the battery when it shouldn’t.

When does a car battery start to drain?

If the battery drains when the vehicle sits for three or four days, that’s a lower amp draw than one that drains the battery overnight. Discovering the source of an electrical draw is a process of elimination. First, check the easy stuff.

What should the battery voltage be on a Mercedes Benz?

Should be around 50 milliamps. You can also check charging voltage with the engine running and accessories on. Should be between 13 and 14 volts. I had a very similar problem with mine a few years back, the battery always seeming to go much faster than it should even when replaced.

How to reset the battery in a Mercedes?

As for the gearbox, it is an adaptive gearbox and will “learn” your driving style as you drive it.Many people have tried this reset procedure,myself included, and found no difference but here it is anyway. Push the gas pedal right down to the floor and hold for 5 seconds. Turn the ignition off then release the pedal.

What happens when a Mercedes Benz fuse blows?

If a fuse has blown, the inside element will be melted. Blown fuses must be replaced with fuses of the same rating, which you can recognize by the color and value. If a newly inserted fuse also blows, have the cause traced and rectified at a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center.

What to do if your Mercedes Benz battery is dead?

Begin by disconnecting the negative battery cables on both cars. Caution: Your Mercedes-Benz’s electrical systems can get damaged, or the control units will trigger under voltage fault codes if you let the car run while connected to a dead battery.

How long does it take to fully charge a Mercedes Benz battery?

It will take several hours for the battery to fully charge. If you are using the Black and Decker battery charger mentioned above, you will know when the battery is fully charged when the LED light on the charger turns solid green. A fully discharged battery can take up to 24 hours to charge.

Why is the battery on my Mercedes Benz not working?

Hint: Starter Problem or Low Battery This may seem obvious, but an old battery is the root of many headaches and can cause all sorts of malfunctions on Mercedes-Benz cars. How old is the battery on your Mercedes-Benz?

Why is my Mercedes Benz starter not working?

Often times, when the starter is defective or seizes up it will blow out the fuse that protect the starter circuit. Another thing that you can try is to hit the starter with a rubber hammer a couple of times. Depending what kind of starter problems you have, the starter may work a few more times.

How do you remove battery from Mercedes AMG?

Place the negative cable in an area where it cannot come into accidental contact with the battery or with anything metal. To remove the rear battery, loosen the strap surrounding the battery by pulling down and pushing on the latch. Now remove the battery mounting bracket by loosening the 13mm bolt on the right side of the battery.

Can a car battery drain to dead overnight?

Battery drains close to dead overnight, needs a quick jump and it’s fine for the day. The car had a red battery warning on when it was initially purchased. Two brand new batteries were put in along with much newer and updated battery control module. Red warning hasn’t been back, all is well.

What kind of battery does a 2003 W211 have?

I’m equipped to do anything, so let’s see if we can get this one sorted – it’s my younger brother’s car…. a 2003 E320 (WDBUF65J53A150123) with a hair under 160k miles. Battery drains close to dead overnight, needs a quick jump and it’s fine for the day.

What causes damage to Mercedes Benz over voltage relay?

Damage can be done to the relay when attempting to jump-start your vehicle with another. If you have jump-started your car and it starts running rough at idle or you are experiencing hard cold or hot starts you may have damaged your OVP.

What kind of battery does a Mercedes C240 have?

2005 C240 base model. I have had a weak battery (Original i.e. 9yrs old) during cold weather it struggles to start. Its getting cold again I should have bought one sooner but I didn’t. My car did start but was idling low and died (has happened before but usually starts back up) while reversing out of the driveway. It would not restart.

How often should I replace the battery in my Mercedes ML320?

Replace the battery in your 2007 Mercedes-Benz ML320 CDI 3.0L V6 Turbo Diesel once every 4 years for optimal performance. Watch this free video to see how to replace a dead battery in your 2007 Mercedes-Benz ML320 CDI 3.0L V6 Turbo Diesel

Why does my Mercedes Benz battery keep dying?

The next problem that this car developed was the battery dying when the car was parked for an extended period of time or parked overnight. It was confirmed that no lights were left on. After further troubleshooting, we were able to notice a problem with the COMMAND system.

Why is there water in the trunk of my Mercedes?

Removing the plugs from the module showed that the contacts had started to corrode and water was present at the connection. This was all caused because the trunk drain plug was clogged. The plug is designed to allow any water to drain. The rubber plug can easily get clogged by dirt and trash.

What causes a car battery to drain overnight?

This happens when something – a glovebox light, an amplifier, any electrical component – is pulling power from the battery when it shouldn’t. Since the alternator isn’t generating vehicle electricity, the problem component pulls from the battery, slowly draining it overnight until your vehicle won’t start.

Is there a way to drain a battery in one day?

That seems like a tiny amount, but a single incandescent dome light pulls enough power to drain a battery in one day. Remember that the drain doesn’t have to take your battery to zero overnight, just low enough for it to not start.

How much does a Chevy Silverado battery drain?

If you use a test light, it should light up for a couple seconds & then go out IF there is no draw. As far as how much of a draw will drag your battery down, depends on how good your battery is. As little as 1/4-1/2 amp draw will drain a marginal battery.

What should I do if my ATV battery keeps draining?

You do not want any debris falling into the ports as this may reduce the capacity or even damage the battery. After cleaning and drying the top of the battery, you can use a screwdriver to pry open the covers or unscrew them, depending on what type of covers you have. Use a flashlight to inspect each individual cell.

How to get rid of negative battery drain?

Remove the negative battery cable from the negative battery terminal. Find the negative cable, which will be marked with a minus sign (-) and may have a black cover over it. Remove the cover, if applicable, and use a wrench to unbolt the negative cable from the terminal.

Why is my alternator draining my car battery?

Since the alternator isn’t generating vehicle electricity, the problem component pulls from the battery, slowly draining it overnight until your vehicle won’t start.

You left your headlights on. If your car battery keeps draining, the first things to check are your lights. Many newer vehicles have headlights designed to turn off after a certain amount of time. But if your car doesn’t have this feature, your headlights may stay on until you either turn them off or till your car battery is completely drained.

Is there a dead battery in my Mercedes?

No dead battery this morning – car cranked fine. However, when pulling up point 24 on the climate control it only showed 13.0 vdc with the engine running (too low). After a 5 mile trip, the battery terminal voltage on point 24 was back to 14.0 vdc. This probably means there was some battery drain over night.

Why does my Mercedes Benz C class battery not work?

When the reactions occur, electrons move about, creating the electrical energy the engine needs to start. The chemical reactions have a harder time taking place in times of extreme temperature fluctuation and when there is an electrical draw on the battery with no return supply. Learn more about testing the C-Class and C-Class AMG battery below.

What should I do if my battery drain is constant?

As you are being a ‘detective’ here it is best not to hurry the checks. Ideally your meter wires will have hooks/clip-on probes, so that you can walk away and check the measurements, say, 30 minutes later. Remember we are looking for ‘fault’ situations, so there is no reason for the current drain to be constant.

Why does my Mercedes 300SD won’t start?

THIS AS YOU KNOW CREATED AN OPEN CIRCUIT IN THE STARTER/IGNITION CIRCUIT. I was able to drive away from the station because for the moment the circuit was not open, however the next day I was on a busy rush hour freeway, and the benz stalled in the middle lane.

What kind of engine does a 1985 Mercedes 300SD have?

I have a 1985 Mercedes 300SD Turbo Diesel with about 140,000 miles on it. Recently it’s become increasingly difficult to start, until eventually it wouldn’t start at all. It still turns over fine – I can hear the starter turning the engine (at least until I wear the battery down by trying to start it).

How can I stop battery drain on my CLK?

If so then reach under the seat and pull the 3 wire connector that powers them from both driver and passenger see if this stops the drain. The fix is either give MB a fortune for the seat controllers (which are faulty by design) or cut the permanent 12v and choc block it to the ignition controlled wire (the third is earth).

What kind of battery does a CLK cab have?

Hope you guys can help with some suggestions as this is driving me mad. My wife has a 2001 CLK Cab 200k with a battery drain (somewhere!)

When did the Mercedes CL Class CL 55 come out?

No accident or damage reported to CARFAX… 1st owner purchased on 01/10/03 and owne… Last serviced at 81,552 miles in Morrisv… 1st owner drove an estimated 8,133 miles… No accident or damage reported to CARFAX…

What kind of battery does a Mercedes Benz use?

You can check price and read reviews for multiple Mercedes-Benz AGM Group 94 Batteries that will fit your Mercedes-Benz. You know you have a relatively new battery. You go to start your Mercedes-Benz and you either hear it turn over once or hear several clicks as in this video. This opens in a new window.

Can a Mercedes Benz battery be charged in a garage?

Mercedes-Benz has a remote-starting feature on a mobile app, allowing owners to start and run the engine sufficient to charge up the battery, though preferably not in an enclosed space like a garage. But that doesn’t solve the long-term airport-parking-lot dilemma.

Why is my Mercedes SLK Battery going flat when not used?

Once you’ve isolated the circuit with the excessive drain check the wiring connections and plugs to components and the wiring harness that runs by the engine bay fuse box – the wiring harness chaffs / rubs through and gets damaged – but its not always easy to see so be careful when checking.. Customer: replied 7 years ago.

Where can I get a new battery for my Mercedes Benz?

If your battery is old or you don’t want to even deal with charging a battery, you can easily get a new battery on Amazon that will fit your Mercedes Benz. They are brand names and you can get the battery at your front door.

How to charge Mercedes Benz E class car?

How to charge empty battery in Mercedes Benz E class car. Years 2000 to 2019 – YouTube If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations.

Where is the battery on my Mercedes B200?

2010 MERCEDES BENZ B200 BATTERY LOCATION. If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. An error occurred while retrieving sharing information. Please try again later.

Is the battery draining on my 2002 C220?

2002 C220/W203 Battery drain. Not seat modules. Overhead? Over the last two years, i’ve been experiencing periodical battery drain. Overnight the car won’t start. At first, i replaced the battery, still had the same problem. A fully charged battery can be drained, to the point that the car doesnt crank, in about 12-18 hours.

How long does a Mercedes SL500 battery last?

My 2003 SL500 has 7,000 original miles so it sits for many months at a time. After charging the rear battery (which takes 12-14 hours because its charging both batteries), I’ve put the charger on the front battery and it lights right up saying completely charged.

Can I replace the battery in the trunk of my SL500?

Can I replace the battery… Can I replace the battery in the trunk of my SL500 by mself? HI THE BATTERY IN THE TRUNK IS NOT HOLDING CHARG. IF YOU REPL THE BATTERY YOU WILL NEEDED TO SENC THE WINDOWS AND TOP. what do you mean SENC the windows and top.

What happens when battery goes to 0%?

After 10 minutes or so, the battery went to 0%+ again all of a sudden. It somehow skips 80-90% of power. I never had issues like that. The batter was always keeping 2, 3 hours+, and I never noticed any signs of wearing out.

Why does my Dell laptop battery go to 0%?

I unplugged the power cord, I opened the battery check in XP and was monitoring for some time the battery power as it went down to 99%, 98% and so on. After 10 minutes or so, the battery went to 0%+ again all of a sudden. It somehow skips 80-90% of power.

Why does my car battery keep running out of power?

Your battery may wear out before its time if you take too many short drives. The battery puts out the most power when starting the car. Shutting off your vehicle before the alternator has a chance to recharge could explain why the battery continues dying or doesn’t seem to last long. 7. Corroded or Loose Battery Cables

Why does the battery light come on on my Mercedes Benz?

The message log still indicated a red battery but there was no battery indication on my display. Turn the car off and back on clears the message log. Any thoughts as to what might be going on? Ok, so I had the rear battery replaced and drove about 8 miles to work and no battery light. Drove another 2 miles on my way home and the light comes on.

What kind of battery does a Mercedes Benz have?

The starter battery is good (bought 2 years ago), the rear batter is at 50%, and he alternator is charging at 14.3V. Incidentally, the battery light was not on when these checks were done.

Do you need battery tender for Mercedes SL63?

I have a 2009 MB SL63 w/two batteries – the starter battery up front & auxiliary battery in trunk. I will be leaving the car at another location (away from my permanent home) for several months and want to install a battery tender (s) while I am away.

Can You trickle charge a Mercedes Benz battery?

It does trickle charge, a cool battery reconditioner, 15 amp rapid charge, 40 amp engine start, alternator test. It automatically selects charge rate and adjusts from rapid charge to trickle charge. Walmart online had a really low price. Did you find the recommended reading relevant to this discussion?

How does battery maintainer in Mercedes Benz work?

If my understanding is correct, there is a BCM (battery control module) that regulates the charge flow so that the front starter battery is charged if needed when rear battery is being charged by electric charger, thereby eliminating need for 2 chargers, just the rear is needed to maintain both batteries. Perhaps one of the board gurus can confirm.

Why does my car battery keep going dead?

If it still loses its charge over a day or two, you likely have a bad battery. Notice that this behavior may be due to internal sulfation, which sometimes can be fixed. More on that further down. If the battery does not discharge when left disconnected, the issue is likely not the battery itself.

Why does my ATV battery keep losing charge?

To test if your battery holds a charge, simply disconnect both terminals and fully charge the battery. Use a multimeter to measure the voltage. If it still loses its charge over a day or two, you likely have a bad battery. Notice that this behavior may be due to internal sulfation, which sometimes can be fixed.

Why does my car battery drain after I Turn Off the key?

2. Parasitic Drain Parasitic drain is due to components in your vehicle continuing to run after the key is turned off. Some parasitic drain is normal – your battery delivers enough energy to keep things, like your clock, radio presets, and security alarm operational at all times.

What should I do if my Chevy Silverado battery is draining?

You’ll want to take a look at your Silverado’s battery posts where they bolt to the battery. If there is a lot of corrosion here, you’re going to want to clean that off with a wire brush. There are also specific battery post cleaners that you can buy. They are usually less than 10 bucks at the local parts store or Wal-Mart.

What should I do if my radio battery starts to drain?

Charge the battery and disconnect it, then check it for a charge the next day to eliminate it as the problem. Then pull the fuses on the radio and turn signals and see if it still drains. Next is to trace the radio and turn signal wires down for shorts. Was this answer helpful?

Why does my Berlingo battery drain after a day?

Here’s a guess. My Berlingo had a brand new battery early spring, and I realized immediately it was draining overnight (or after just a day or two). Totally flat, and it happened several times. It mostly started fine and ran fine but only after a fresh charge.

Is the battery on my Mercedes Benz W203 draining?

2002 C220/W203 Battery drain. Not seat modules. Overhead? | Mercedes-Benz Forum 2002 C220/W203 Battery drain. Not seat modules. Overhead? Over the last two years, i’ve been experiencing periodical battery drain. Overnight the car won’t start. At first, i replaced the battery, still had the same problem.

Where is the battery located on a Mercedes Benz?

The first thing to check is what is called the “systems battery,” which powers the whole car. 1. Locate and test the battery. On many Mercedes-Benz vehicles, the battery location ranges from under the hood to in the trunk, under the rear seat (W210) or under the front passenger seat (w164/166/151).

What happens when a car battery goes bad?

Because there are a lot of electronics consumers in these luxury cars they tend to be very sensitive to the battery voltage. When the battery doesn’t provide the needed voltage and current you may notice some very strange malfunction with systems such as the transmission, ecu, airbag.

What causes a battery to go dead on an ECM?

Battery drain or dead battery A failed ECM power relay can also cause a battery drain or dead battery. If the relay shorts it can leave power on to the computer, even when the vehicle is turned off. This will place a parasitic drain on the battery, which will eventually cause it to go dead.

Can a car run when the battery is off?

Any electronic device with memory settings, like a clock and radio station presets, draws power from the battery while the vehicle ignition is off. This drain is so small, you can leave a modern truck sitting for a week or more and it will still start up and run fine.

What to do when your car battery drains?

Start with a fully charged battery. If yours is low, use a battery charger, or have a friend assist with jumper cables from a good battery. Recreate the same configuration as when the battery drains overnight. Meaning, shut everything off, lock the doors, and take a key with proximity sensor away from the vehicle.

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