People ask also, where is the auxiliary battery in a Mercedes S550? If You want to know where the auxiliary battery is located on the 2019 Mercedes Benz S550, it is located behind the right side of the trunk carpet. You’ll find it located right next to the fuses to the very bottom right.
Also, where is the auxiliary battery in a 2010 Mercedes S550? 2010 S550 w221 Mercedes has an auxiliary battery under dash on drivers side. Open driver side door and pull off end panel to access battery. This small 12v battery primarily supports electronic gear shifting and transmission functions. Larger batteries are in engine bay on passenger side firewall and trunk area.
Likewise, can I drive my Mercedes with auxiliary battery malfunction? Of course, you can drive your Mercedes even with a failed or malfunctioned auxiliary battery. This is because Mercedes has two batteries and the battery used to run the vehicle is the main one. So, even though you won’t be able to utilize functions such as start/stop, you can still drive your car.
Also know, where is Mercedes auxiliary battery? 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.Auxiliary batteries work with your main starter battery, and as a backup battery in the event the main battery becomes disabled. It prevents your vehicle’s electrical components from dropping when starting/stopping your engine and keeps your radio, GPS, and other in-vehicle electrical components turned on.
Can you charge Mercedes auxiliary battery?
Mercedes-Benz auxiliary battery is a rechargeable 12V 1.2Ah battery. The alternator charges the auxiliary battery when the engine is running. … If the battery is still good, your only option is to remove the car’s battery and charge it with a 12 Volt Smart Charger, then reinstall.
How many batteries does a 2010 Mercedes S550 have?
The Mercedes S550 is one model that has two batteries; one to start the engine, and another – called the auxiliary battery – to run the car.
What does malfunction mean on a Mercedes S550?
Senior Member. If your brake wear sensor is not connected(different from it indicating that your pads are worn) you will get a airmatic malfunction message accompanied by harsh ride.
How many batteries does a 2009 Mercedes S550 have?
You actually have 3 batteries, not many people realise this.
How do you know if your auxiliary battery is bad?
- The battery symbol on the dashboard.
- Stop vehicle shift 2P leave engine running.
- Stop vehicle leave engine running.
- Auxiliary battery malfunction.
What does w211 auxiliary battery do?
The auxiliary battery is located in the right side of the engine compartment, near the HVAC intake. … The auxiliary battery supplies power for a limited time if system charging or battery voltage drops. The battery control module monitors system voltage.
How much does it cost to replace Mercedes battery?
The price for a new battery on a Mercedes-Benz will generally range from $280 to $400. However, you can cut the cost of battery replacement by as much as $100 and sometimes even $200 if you opt to do the replacement work yourself.
How do you change an auxiliary battery on a Mercedes?
Can you charge auxiliary battery?
By connecting the positive terminals of both batteries, you can easily use your alternator to charge your auxiliary battery. Your electrical loads won’t drain your starting battery, and your auxiliary battery will only be charged when the engine is running, if you have an isolator.
Why do Mercedes have two batteries?
Some Mercedes models have two batteries, a main starting battery located in the trunk and a secondary smaller battery located under the hood near the windshield on the passenger side of the car. Essentially there is so much electrical demand on this car it needs two batteries.