See also:

Important notes
In order to prevent the vehicle's battery from discharging, the interior lighting functions are automatically deactivated after some time except for when the SmartKey is in position 2 in the i ...

SmartKey
Display messages Possible causes/consequences and •► Solutions Key Does Not Belong to Vehicle You have put the wrong SmartKey in the ignition lock. •► Use the correct ...

Cleaning the steering wheel and gear or selector lever
Thoroughly wipe with a damp cloth or use leather care agents that have been recommended and approved by Mercedes- Benz. ...