Why do Mercedes Benz have an auxiliary battery?

Why do Mercedes Benz have an auxiliary battery?

Of course, relying only on the main battery for all electrical components is a bad idea since that could leave you stranded when it’s time to start the engine. So Mercedes-Benz has incorporated an auxiliary battery to run the extra systems, leaving the main battery topped up and ready to go.

Why does the Mercedes-Benz E-class use a battery?

Because of this, cars like the current E-Class use a lot of energy to maintain the car’s efficiency, and keep everything seamless as well as transparent. Of course, relying only on the main battery for all electrical components is a bad idea since that could leave you stranded when it’s time to start the engine.

Where is the battery in a Mercedes Benz?

In newer model Mercedes-Benz vehicles, the Mercedes auxiliary battery is located inside of the front footwell of the passenger seat located near the top. To access the battery, you will need to completely detach all connecting parts in addition to removing the carpet so that you can gain possession of the battery.

What does it mean when your Mercedes battery malfunctions?

Usually when voltage converter fails, you will see flashing on-board computer error fault message with the following quote “auxiliary battery malfunction” or “stop vehicle shift to P leave engine running” warning message, which constantly stays on and that creates a big question for mercedes owners – what does it mean ?

Where is the auxiliary battery on a Mercedes Benz?

Open the hood and locate the auxiliary battery on the passenger side of the engine bay. Remove the 10mm plastic nut from the cabin filter housing. Remove the 10 mm nut from the top bracket. Lift the bracket. Remove the 10mm bolt from the negative battery terminal.

Can a battery malfunction on a Mercedes Benz?

Mercedes-Benz Auxiliary Battery Malfunction Explained Mercedes-Benz models are well-known for their impressive technology list, and many of their modern cars have two batteries – the main battery and an auxiliary battery. If this auxiliary battery develops a malfunction, it will show up as an error message on the dashboard.

Because of this, cars like the current E-Class use a lot of energy to maintain the car’s efficiency, and keep everything seamless as well as transparent. Of course, relying only on the main battery for all electrical components is a bad idea since that could leave you stranded when it’s time to start the engine.

How does a dual battery system work on a Mercedes?

When the main battery has moderately low voltage, the vehicle computer connects the two batteries, allowing the main battery to return to normal, while charging the auxiliary battery at the same time. Many Mercedes vehicles feature a dual battery system to prevent failures in their combined hydraulic and electric braking systems.