See also:

Problems with the SmartKey
Problem You cannot lock or unlock the vehicle using the SmartKey. Possible causes/consequences and Solutions The SmartKey battery is discharged or nearly discharged. Try again to lock/unlock th ...

Important safety notes
WARNING Ensure that the trunk lid/tailgate is closed when the engine is running and the vehicle is in motion. Among other dangers, deadly carbon monoxide (CO) may enter the vehicle interi ...

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. ...