How to diagnose your Mercedes auxiliary battery malfunction SG?
Another way to diagnose a potential auxiliary battery malfunction is by using an OBD scan tool which will allow you to read the detailed diagnostic information about your vehicle down to specific error codes so that you can be sure of what the problem is.
Where is the auxiliary battery located in a Mercedes?
The auxiliary battery is located under the cabin air filter housing. Locate the cabin air filter housing on the left of the engine bay.
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.
How can I tell if my auxiliary battery is at fault?
You will know that it’s the secondary battery that is at fault, because the car will still turn on and some functions will still work. The auxiliary battery does not affect the car’s mechanical functions. If you are unsure, you should be able to diagnose the fault with an OBD fault code reader.
The auxiliary battery is located under the cabin air filter housing. Locate the cabin air filter housing on the left of the engine bay.
You will know that it’s the secondary battery that is at fault, because the car will still turn on and some functions will still work. The auxiliary battery does not affect the car’s mechanical functions. If you are unsure, you should be able to diagnose the fault with an OBD fault code reader.
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.
Where is the auxiliary battery on a W212 S212?
For E-class W212 S212 C207 A207 A0009829308 auxiliary battery is located at the driver side on the side panel upper one, to access it you will need to remove plastic protection cover.