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.
Where is the auxiliary battery on my 2010 S550?
On my 2010, there is an auxiliary battery which maintains the computer memories in the various onboard control modules when the starter battery is disconnected. (My) auxiliary battery is located under the instrument panel on the driver’s side to the left of the steering wheel/column.
What kind of battery is in Mercedes S550 W221?
I will replace the battery and report back if I have any issues. 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.
Where is the battery fuse on a Mercedes S550?
You remove the dashboard fuse panel cover as shown, but the B/W photos can be confusing. You remove a bolt shown under that cover, but then you must remove the lower panel under the dash to reach the battery, as ChesapeakeLimo says. The bolt you remove holds the lower panel in place.
Where is the auxiliary battery on a Mercedes Benz?
(My) auxiliary battery is located under the instrument panel on the driver’s side to the left of the steering wheel/column. You will need to remove the lower finish panel to access it. ChesapeakeLimo is correct. See post 5, HERE. You remove the dashboard fuse panel cover as shown, but the B/W photos can be confusing.
How much does it cost to replace battery in Mercedes Benz S550?
Upfront and transparent pricing. Our certified mobile mechanics can come to your home or office 7 days a week between 7 AM and 9 PM. Mercedes-Benz S550 Auxiliary Battery Replacement costs $322 on average. What is the Auxiliary Battery all about?
What does the auxiliary battery on a Mercedes Benz do?
There’s the primary battery under the hood, but there’s also an auxiliary battery. These are used to power other systems on the car that require 12 volts of power, and which the alternator is not capable of powering directly. In these instances, the alternator is responsible for charging both the primary and the auxiliary battery.
What happens if your auxiliary battery goes bad?
While a failed auxiliary battery will not prevent your vehicle from driving, it can cause significant complications, including important accessories malfunctioning or not working at all. It can also put additional strain on the rest of your charging system components. Have the auxiliary battery replaced as soon as possible.