Are there any problems with the Mercedes engine?

Theses engines were more powerful and more fuel efficient. They did have a few teething problems but have proven to be very durable as long as they are treated and maintained properly. A true challenge – but you can do it with the right knowledge.

How can I fix a problem with my Mercedes?

If you have a problem with your older Mercedes and are trying to figure what is causing it or how to fix it, you have come to the right place. Let Kent explain how his solutions finder works: “Just select the location of the problem you are experiencing, the chassis designation of your car and a few key words and click Search.

What happens when a Brake Booster fails on a Mercedes Benz?

Typically, if a brake booster fails, it will become very difficult to operate the brakes. This will feel like you have to push down the pedal much harder to get the car to slow down. An easy way to test if the brake booster system is working properly is to put your foot on the brake pedal with the engine turned off.

Why is my Mercedes Benz W210 running rough?

Many times, a lean running condition can be traced back to a cracked or torn boot in the system. A good quick way to check the overall health of the system is to take the oil filler cap off with the engine running. If the system is in good shape, the idle of the engine should drop and the car will run rougher.

What should I do if my Mercedes Benz won’t start?

Start the car and you should be able to get around 60 psi. When the engine is running and when you turn off the engine the pressure should stay steady. Always perform this test on a cold engine. Next, make sure that the fuel injector connections are secure and not loose. Check the fuel pump and the fuel pump relay.

What are the problems with a Mercedes Benz?

Top 5 Mercedes-Benz no start problems 1 Engine Click, No Start 2 Engine Dies Right After It Starts 3 Car turns over, but it won’t start 4 The car makes a clicking noise but won’t start. Hint: Starter Problem or Low Battery 5 Key will not turn the ignition More

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.

What do I need to start my Mercedes Benz?

In order for your Mercedes-Benz to start there are several conditions that need to be met and also needs: Start enable by Drive Authorization System It requires electrical power to crank the engine. Requires fuel Requires spark

What happens when catalytic converter is clogged in Mercedes?

If your catalytic converter is clogged you will notice a drastic drop in fuel efficiency and real struggle getting your Mercedes to accelerate. If the cat is completely clogged your car won’t even start.

Why does my Mercedes Benz hesitate to accelerate?

-Air filter and throttle body are clean. -I haven’t changed the MAF in the 2 years that I’ve owned the car, and i tried running the car with the MAF unplugged; the problem was the same except now the idle was constantly low and rough. The problem is slowly getting worse. I’m contemplating ordering a new MAF or maybe a set of new coils..

What causes a cylinder to misfire in a Mercedes?

In most cases, a cylinder misfire is caused either due to old spark plugs that need to be replaced. A failed ignition coil or a bad spark plug wires. If none of the above fixes your misfire problem carefully analyze the fault codes, it is possible that misfire may be indirectly caused by another problem in the engine.

Are there any problems with my Mercedes diesel?

One of the most common problems we see on older Mercedes. Top problems for diesel owners. Kent recommends starting with the basics Yes, Kent has seen it first hand. Don’t neglect this! Could be any number of things causing the problem. Proper diagnosis is a must! You will need a bench mount pressure release tester to do this yourself.

Are there any problems with an older Mercedes?

Unknown battery drain, electrical shorts, blown fuses – these can be difficult to isolate! One of the most common problems we see on older Mercedes. Top problems for diesel owners. Kent recommends starting with the basics Yes, Kent has seen it first hand. Don’t neglect this! Could be any number of things causing the problem.

When did Mercedes Benz stop using cast iron?

We know that most owners can live with some looseness in the suspension, especially when you consider the age of the 123 chassis. Produced from 1984 to 1993 these lighter weight aluminum head engines replaced the venerable cast iron 616 and 617 engines of the 1970’s and early 1980’s.

Are there any problems with the Mercedes sunroof?

Nothing like a good smooth working power or manually operated non tilting sunroof (up to 1985)! A true challenge – but you can do it with the right knowledge. Shake, side pull, binding, grabbing, grinding, squealing, overheating and soft / hard pedal issues.

How to troubleshoot Mercedes Benz air suspension problems?

Learn how to troubleshoot Mercedes-Benz Air Suspension Problems. You decide to buy a Mercedes-Benz, maybe an S-Class, CLS-Class, R-Class, CL-Class or E-Class. One day you hear of other Mercedes-Benz owners having suspension problems. The next day you start having air suspension problems yourself.

Why are my shift controls leaking in my Mercedes?

You CAN do this yourself if you have the right information and equipment! High Mileage and age can raise havoc on the shifting patterns of an automatic transmission. Even if the fluid has been changed on a regular basis, they still wear out. Seals harden and leak both internally and externally. Vaccum and cable shift controls leak and fail.

What causes rubber hoses to crack on a Mercedes?

Rubber hose connections crack and work loose. And quite often some mechanic gets in there and messes things up. If you have a problem with your older Mercedes and are trying to figure what is causing it or how to fix it, you have come to the right place.

When to check engine compression on a Mercedes?

Always check engine compression either BEFORE or RIGHT AFTER purchasing an older Mercedes diesel (before is better of course!) Engine running cold or too hot – this usually fixes the problem!

What causes engine to run rough after warm up?

Most likely, the causes of rough engine idle crops from the basic functional components like direct fuel injectors, PCV valve, EGR valve, Oxygen sensors, vacuum leaks, air filter, and spark plugs or wire. Now, let’s fix the issue when engine runs rough after warm up in sequence and later troubleshoot the actual cause of it. 1.

How does the DME work on a Mercedes Benz?

This important sensor tells the car’s computer where the flywheel is located in relation to the combustion cycle. The DME takes the signals from both the cam position sensor and crankshaft position sensor, and calculates when to fire the fuel injectors and spark plugs.

What should I do if my Mercedes FOB is not working?

If you need a replacement battery note that Mercedes-Benz uses CR2025 battery type. Ensure you have new batteries in your key fob. Next, look carefully at your Mercedes-Benz key. When you press the button on your key you should see a small RED led light.

How can I tell if my Mercedes remote is working?

Next, we need to check if the remote is sending out a message. The remote emits infrared waves. While you can’t see infrared light with your eyes, there is an easy way to check. Grab your phone and turn on the camera. Point the camera to your phone and carefully see if you notice a light every time you turn you press a button on the remote.

What causes a diesel engine to run bad?

Common Smoke & Power Problems: Engine runs bad – gummed injection system 5. Common Smoke & Power Problems: Engine runs bad – excess carbon buildup 6. Common Smoke & Power Problems: Engine runs bad – low fuel flow to injections 7. Common Smoke & Power Problems: Engine runs bad – poor compression 8.

Why does my Mercedes 300E run rough at idle?

My 92 300E (2.6L) starting running rough the other day, like it is missing. This was not a progressive problem, but started to do this one cold rainy morning a few days ago. The car shakes at idle and light acceleration, and seems to be an engine miss and not just bad motor mounts (although I am not ruling anything out).

How to tell if a Mercedes 300e is dead?

To see if you actually have a completely dead cylinder, you can test each one by removing a plug wire one at a time with the engine running. When you get one that makes no difference, that’s your dead cylinder. Yep, done almost everything mentioned, but still really appreciate all the input.

What kind of car was the 1991 Mercedes 300CE?

The coil in our daughter’s 1991 300CE failed while driving and the engine wouldn’t run. ( facelifted front,updated tail lights, lowered suspension,bilstein sports, lorinser front spoiler, MOMO steering wheel, remus exhaust,stainless steel brake lines). (Gone) 1997 s320 154k (what a ride).

What do I need to troubleshoot my Mercedes Benz?

Troubleshooting fuel related problems is not very difficult and you can check the fuel pressure yourself. Checking the fuel pressure is very simple. For this test, you will need a fuel pressure gauge. What you need is a fuel pressure gauge with Schrader valve adapter.

How to add Mercedes Benz approved automatic transmission fluid?

You want to add the Mercedes Benz Approved Automatic Transmission Fluid 236.14 for use with the 5-Speed 722.6 & 7-Speed 722.9 Transmission. Mercedes part# 001 989 68 03 13 Check the level again. You want to double check the fluid level. If you have to added fluid then you must check the level again.

Where is the transmission fill tube in a Mercedes?

No screws or bolts. Locate the transmission fill tube. It is located between the firewall and the engine. It is kind of hidden so look carefully. Be careful not to mistake the engine oil tube with the transmission tube. Remove the transmission fill tube cap. First, you will need to brake off the transmission red lock pin.

Where can I find a 2000 Mercedes E Class E 320?

Get KBB Fair Purchase Price, MSRP, and dealer invoice price for the 2000 Mercedes-Benz E-Class E 320 Sedan 4D. View local inventory and get a quote from a dealer in your area. Home Car Values Price New/Used My Car’s Value Instant Cash Offer Cars for Sale Cars for Sale Sell Your Car Free Dealer Price Quote Vehicle History Report Find Local Dealers

Is the Mercedes-Benz E320 still a good car?

My 2000 E320 is still a terrific car after 14 years and 174,000 miles. My parents purchased it new and they gave it to me 3 years ago as a second car for around town.

How old is the Mercedes Benz W210 e320?

The W210 E320 is one Mercedes Benz finest accomplishments. The M112 motor is legendary and with 122,000 miles and aged almost 20 years, this car still pulls like a train and handles exceptionally well for a larger sedan.

How much does a 1998 Mercedes Benz E 320 cost?

Mercedes-Benz E 320 4MATIC Wagon $3,000 Private owner via Tred.com Used 2002 Mercedes-Benz E 320 Wagon $4,995 HAG CORPORATION Used 1999 Mercedes-Benz E 430 Sedan $4,500 Private Seller Used 2002 Mercedes-Benz E 320 Sedan $5,000 Auto Auction of San Diego Used 1998 Mercedes-Benz E 320 Sedan $3,495 Car Sho – Corona Used 1999 Mercedes-Benz E 300 Sedan

When do you start the car, the engine revs?

Car engine revs way up immediately upon starting engine. Q: Car engine revs way up immediately upon starting engine. When starting the engine, it sounds like you have your foot pressed to the floor on the gas pedal as soon as you start it, without even having your foot on the gas.

What kind of engine does a Mercedes Benz have?

List of Mercedes-Benz engines 1 Petrol engines 2 Inline diesel engines. MB851, 1.5 L MB861, 1.5 L MB852, 2.9 L MB862, 2.9 L OM632, 0.8 L M202B, 6.5 L (1947–???) MB853, 4.3 L 3 V-diesel engines. OM401, 9.6 L OM501, 12.0 L OM404, 20.9 L OM444, 22.6 L MB507, 42.4 – 44.5 L MB839, 104.3 L OM924, 4.8 L

Why does my Mercedes Benz engine misfire so often?

Engine misfires are one of the most common problems we see in many Mercedes-Benz cars. To be honest, it is not because MB cars are weak in this area, but because most owners forget that spark plugs are wear items and need to be replaced at the recommended intervals.

What to do if the spring on your Mercedes is stuck?

If a spring is broken, stuck, etc the COMMAND system doesn’t get the right signal. Some people just put a small wood chip in the switches to keep them always “on”. This crude but simple work-around may solve your problem.

What to do when your Mercedes goes into limp mode?

You may also get a check engine light if your transmission goes into limp mode. When a Mercedes-Benz goes into limp mode, it only operates in second gear and reverse only. When you put it in gear, you may also feel a bang as transmission engages. The first thing you should try is to check the transmission fluid level.

How to reset the soft key on a Mercedes?

Lower your driver side window and hold the button for 3-5 seconds then release. Raise the same window and hold the button 3-5 seconds. The repeat with the passenger window. I’m going from memory so let know if it doesn’t work.

Why is the top of my Mercedes SL not working?

On later model SL’s – both switches need to be depressed for the top to operate. This is usually accomplished by having the cargo cover in place and closed. If it is open – the computer thinks the trunk doesn’t have room for the top so it will not operate.

Is the rollbar light on in my 1998 Mercedes SL 500?

1998 Mercedes sl 500 my rollbar light &top light on but top working & rollbar work when open and close top That all happen after battery dead and I try to start T.Y. 30 people found this helpful. schlieve I seem to have the same issue.

What to do if your Mercedes has a problem?

There are a number of reasons – don’t throw money at the problem – diagnose first!!! Good reference material if you plan to replace timing chain and related parts. Alert for all Diesel Owners – Check for loose Intake / Exhaust Manifold Nuts.

What’s the problem with my 1968 Mercedes Benz?

This is very common and can happen to you if you own a 1968 to 1985 diesel Sometimes you just have to take a break from working on your diesel… 🙂 If you don’t look closely this one can be hard to find! If the car has been stored or not driven regularly plan on some problems – some may be hidden!

What are the common problems with Mercedes diesels?

Here are some common problems that affect many Mercedes-Benz diesel models including E350, ML350, GL350, R350, Sprinter, R320 CDI and BlueTec models. Common problems Diesel Particulate Filter. As Mercedes DPF traps and holds soot, with time it reaches a point when it needs to be ‘emptied out’. This is done by regeneration.

What was the fatal flaw of the Mercedes Benz Sprinter?

This article is being written to warn potential buyers of this vehicle of the fatal flaw hidden in each of these vehicles. Prior to 2008, when the United States Government mandated diesel exhaust regulations, the Sprinter, manufactured by Mercedes Benz and sold as a Dodge was a real workhorse.

Where is the cruise unit on a Mercedes 300SD?

Photo on the left is take from a 1982 300SD with the cruise unit removed. The cruise unit sits inside the red circle. In later models you might find some duct work in the way. Most cases you can remove this duct work without problems as it is just force-fit into its two connection points.

Where is the cruise control located on a Mercedes 124?

124 Location Description: You’ll first have to remove the driver’s side lower dash piece. The 124’s cruise control is located just to the left of the steering column. It is mounted on a bracket which is held in by two bolts (indicated by the blue lines in the photo. Once you remove these bolts you’ll be able to access the amplifier easily.

When did Mercedes switch to different cruise control system?

Around 1993 Mercedes switched to a different engine management system and some cars cruise control were routed to it (typically 300/400/500E). If you are in doubt, drop me an email with your VIN and I can check for you.

Where is the fault code on a Mercedes SL?

The AC control unit in the R129 Mercedes SL model along with a few other MB models of the time (outlined in the CS1000 manual) could be accessed to diagnose system problems by retrieving fault codes directly from the AC control unit console in the car.

What are the problems with the Mercedes 230CE?

The problem that I have with my 230CE with a manual transmission is that the valve is open at idle and when I apply throttle the engine stumbles as the switch changes state and the air valve closes changing air flow from this circuit to the sensor plate.

What’s the fuel consumption on a Mercedes Benz Merc?

Afterwards the fuel consumption dropped from about 10km/l to 7.5km/l on the open road and in town from 8 km/l to 4 km/l. I have tried everything including dyno-tuning the best we can get is 8.8km/l for the open road and 4.5 km/l in town. The Merc is a 1985 W123 230E AT with 360k on the clock.

Why does my Mercedes W123 230E die at idle?

The un-throttled rush of air into the cylinders also decreases pumping losses. The electrical switch is to ensure the valve only opens during deceleration/overrun, not at idle. If you connect the air valve directly to high manifold vacuum at idle, the engine should die.

Is the Mercedes-Benz W123 230E made with lambda sensors?

No W123’s in SA were manufactured with lambda sensors. What you can check is the Warm Up Regulator (WUR). According to your year model it may be that the fuel is leaking to the vacuum line that ensures acceleration enrichment. No W123’s in SA were manufactured with lambda sensors.

Where does the fuel go in a Mercedes 190E?

With the cover removed you can see how the fuel flows from the tank to the engine. The main supply line comes from the tank and enters the first pump (yellow arrow), it exits the first pump (red arrow and enters the second pump (purple arrow), the fuel then exits the second pump (blue arrow) and is sent to the fuel filter.

When does a car stall at a stop sign?

This car’s engine intermittently stalls when it’s being slowed down at a stop sign or a turn. The stalling only occurs when the engine has reached operating temperature (15-20 min driving). It stalls very quietly with NO jerking, shaking, surging or choking.

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?

What causes a Mercedes Benz warm up regulator to fail?

Complementary Modification: When the engine is cold the warm up compensator reduces the pressure applied, which allows more fuel to flow to the injectors. As the warm up regulator heats up the pressure is increased. A warm up regulator failure occurs when there is a loss of pressure available from the warm-up compensator/regulator.

What are the symptoms of a bad coolant temperature sensor?

Hence, it is advised to have your car inspected right away to avoid any serious problems. Here is a more detailed list of the common symptoms of a bad coolant temperature sensor. One of the first symptoms you will notice is that the check engine light will activate.

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