Can a new alternator be installed on a low battery?
WARNING!!! The battery must have a charge in it of at least 12.8 volts. If the charge is lower than that, take the battery to an auto parts store and they should deep charge it for free. You should never install a new alternator in a system with a low charge battery. You could fry the bridge and then you are back to square one!
Why does my alternator not charge on tickover?
On checking the battery voltage was low – 11.8V engine running. Battery was replaced about 1 month ago.After much investigation discovered that the alternator does not ‘kick in’ until I rev the engine to approx. 3000rpm – it then charges away happly for the rest of the journey (at around 14.5V) even on tickover. Has anyone seen this problem before?
What kind of battery does a Mercedes Benz have?
I had a couple of ‘red battery warning messages and noticed that the car seemed sliggish on cranking. On checking the battery voltage was low – 11.8V engine running.
Is it cheaper to check alternator or regulator?
Ultimately that’s cheaper than having them check parts of it (as outlined above) because they would charge you for that time as well. Since it changes with engine RPM, that pretty much changes the focus to the alternator/regulator, which is a good thing.
Can a mechanic replace an alternator on a Mercedes Benz?
An experienced mechanic should be able to replace the alternator in even an hour. Even Valeo or Bosch alternators with are the Original Equipment installed on the Mercedes Benz cars, can be bought for a fraction of what the dealer charges.
Where is the alternator on a Mercedes Benz E CLK?
Applies to C Class , E Class, CLK Class and many other models with the V6 M112 and V8 M113 engine. Open the hood. Disconnect the NEGATIVE terminal from the battery. HINTS: Locating the battery. Depending if you have a C / E / CLK class it could be either in the engine bay compartment, under the rear seats, or in the trunk.
WARNING!!! The battery must have a charge in it of at least 12.8 volts. If the charge is lower than that, take the battery to an auto parts store and they should deep charge it for free. You should never install a new alternator in a system with a low charge battery. You could fry the bridge and then you are back to square one!
On checking the battery voltage was low – 11.8V engine running. Battery was replaced about 1 month ago.After much investigation discovered that the alternator does not ‘kick in’ until I rev the engine to approx. 3000rpm – it then charges away happly for the rest of the journey (at around 14.5V) even on tickover. Has anyone seen this problem before?
How to check battery and alternator in Mercedes?
The dreaded battery warning light always leaves us not knowing if its the battery, the alternator or both. Watch as I show you how to check the state of these components via the secret diagnostics menu built into your Mercedes vehicle. Haven’t Subscribed? What are you waiting on? Do it today. Loading…
Is there a problem with the alternator in Liberty?
Discussion in ‘ Liberty ‘ started by jonahb1987, Jul 10, 2019 . I recently had a breakdown. At first we thought it was the alternator, so I bought a new one. Had it installed at a mechanic and the same problem would happen. After being jumped, it would start but putter out in like 4 minutes.
What to do if your alternator is bad in your car?
One thing you can do to troubleshoot your car is to go to Advance Auto Parts or AutoZone and have them do a FREE alternator / battery check. This test may be able to point you in the right direction. 3. Secondary Battery / Auxiliary Battery. Some Mercedes Benz models such as the E Class or the CLS Class have a secondary battery.
What should the voltage be in a car alternator?
Typically you get BATTERY/ALTERNATOR VISIT WORKSHOP warning when the electrical system voltage in the car is below 12.6 volt. When the car is running the alternator produces electricity and the voltage should be above 13.5 volt. If you have a multimeter like this one, you can connect it to the battery terminals to get a voltage reading.
What does it mean when battery and alternator are switched off?
In this case you may get error message saying: malfunction electrical consumers switched off. Check your batteries and alternator. • The battery control module (BCM) also activates the battery isolating relay (K57/2) if necessary. A distinction is made between 2 states:
What happens when an alternator fails on a car?
The headlights draw power from the battery, just as ignition, audio, starter motor and everything else. If the alternator fails or doesn’t deliver enough power all of these will continue to draw from the battery until it is empty. The battery won’t recharge (properly) anymore, however.
Where can I go to test my alternator for free?
Find an auto-parts store that tests alternators for free. Since every store would love for you to buy your new alternator from them, many will try to get the edge-up on their competitors by offering free testing. Dismount your alternator and bring it in to be sure.
What does it mean when alternator reading stays the same?
If the reading stays the same or drops, that means the alternator isn’t charging and you may need a new one. If the reading is more than 2 volts higher, that could mean that your alternator is overcharging. Either way, take your car to an auto repair shop to find out what’s wrong.
Why do I get battery alternator VISIT WORKSHOP error message?
These are the main reasons why you are getting the Battery Alternator Visit Workshop Error Message. If you need to replace any of the batteries you can order them on Amazon using the links below and also help us at the same time. Malfunction electrical consumers switched off.
When do I get battery / alternator VISIT WORKSHOP warning?
Typically you get BATTERY/ALTERNATOR VISIT WORKSHOP warning when the electrical system voltage in the car is below 12.6 volt. When the car is running the alternator produces electricity and the voltage should be above 13.5 volt.
In this case you may get error message saying: malfunction electrical consumers switched off. Check your batteries and alternator. • The battery control module (BCM) also activates the battery isolating relay (K57/2) if necessary. A distinction is made between 2 states:
How many batteries does an E Class W211 have?
E Class W211, CLS Class for example have two batteries. • The battery control module monitors the operating states as well as the voltage conditions in the vehicle. • Depending on the performance measured for the battery, consumers can be switched off in 2 priorities (switched off by means of CAN message).
Typically you get BATTERY/ALTERNATOR VISIT WORKSHOP warning when the electrical system voltage in the car is below 12.6 volt. When the car is running the alternator produces electricity and the voltage should be above 13.5 volt.
E Class W211, CLS Class for example have two batteries. • The battery control module monitors the operating states as well as the voltage conditions in the vehicle. • Depending on the performance measured for the battery, consumers can be switched off in 2 priorities (switched off by means of CAN message).