What is function of auxiliary battery on E320 Mercedes?

What is function of auxiliary battery on E320 Mercedes?

The main function of mercedes-benz auxiliary battery is to provide voltage to “stop start” function, so this function may not work until you solve battery malfunction. You can keep driving a car for while, but it is always recommended to fix any fault as soon as possible.

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 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.

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.

How does the auxiliary battery work on a Mercedes Benz?

The auxiliary battery supplies power for a limited time if system charging or battery voltage drops. The battery control module monitors system voltage. If voltage reaches a low point, the auxiliary battery relay closes to connect the battery to the vehicle fuse blocks.

Do you need to replace the alternator before replacing the battery?

More often than not, the real problem is the voltage regulator in the alternator. You can replace just the voltage regulator if you know that is the real problem. Otherwise you need to replace the whole alternator. Before you replace the alternator make sure that your battery is not the problem.

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.

Is it OK to change the battery in a Mercedes Benz?

You will be ok to drive the car, but replace the battery as soon as you can before it is not going to last very long. Mercedes uses battery group 49 and you want to save some $$$ you can get a AGM battery which is what the dealer uses for less on Amazon. Here is a highly rated battery on Amazon that will fit Mercedes Benz cars. 2.

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.

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