Where is the battery on a 2010 Mercedes S550?

Where is the battery on 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.

Why does my Mercedes medic draw so much battery?

A radio receiver in the car continuously listens for wake up signal from the key. As the car receives a signal in the assigned frequency it wakes up to validate the key. This causes current draw for several seconds. If the car is left parked in high pedestrian traffic areas this could be a problem.

Why does my Mercedes-Benz battery keep draining?

You try to start your Mercedes-Benz and the car is either completely dead or this happens: Battery drains happen when electronic equipment (consumer units) are constantly drawing current from the battery while the car is parked. One simple example is when lights are left on overnight. But it’s not always as simple as that.

Why does the battery light come on on my Mercedes Benz?

The message log still indicated a red battery but there was no battery indication on my display. Turn the car off and back on clears the message log. Any thoughts as to what might be going on? Ok, so I had the rear battery replaced and drove about 8 miles to work and no battery light. Drove another 2 miles on my way home and the light comes on.

What kind of battery does a Mercedes Benz have?

The starter battery is good (bought 2 years ago), the rear batter is at 50%, and he alternator is charging at 14.3V. Incidentally, the battery light was not on when these checks were done.

A radio receiver in the car continuously listens for wake up signal from the key. As the car receives a signal in the assigned frequency it wakes up to validate the key. This causes current draw for several seconds. If the car is left parked in high pedestrian traffic areas this could be a problem.

You try to start your Mercedes-Benz and the car is either completely dead or this happens: Battery drains happen when electronic equipment (consumer units) are constantly drawing current from the battery while the car is parked. One simple example is when lights are left on overnight. But it’s not always as simple as that.

The message log still indicated a red battery but there was no battery indication on my display. Turn the car off and back on clears the message log. Any thoughts as to what might be going on? Ok, so I had the rear battery replaced and drove about 8 miles to work and no battery light. Drove another 2 miles on my way home and the light comes on.

The starter battery is good (bought 2 years ago), the rear batter is at 50%, and he alternator is charging at 14.3V. Incidentally, the battery light was not on when these checks were done.