See also:

Charging the battery
WARNING Never charge a battery still installed in the vehicle unless a battery charger unit approved by Mercedes-Benz is being used. Gases may escape during charging and cause explosions th ...

Important safety notes
In order for the battery to achieve the maximum possible service life, it must always be sufficiently charged. Have the battery checked regularly at a qualified specialist workshop, such a ...

Automatic engine start
The engine is started automatically if you:  - release the brake pedal when HOLD is not activated and the transmission is in position D or N  - shift the transmission to position R ...