See also:

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

Important safety notes
WARNING It is dangerous to shift the automatic transmission out of parking position P or neutral position N if the engine speed is higher than idle speed. If your foot is not firmly on th ...

Vehicle Overview
Mercedes-Benz’s conventionally styled luxury sport utility vehicle gained a larger 3.7-liter V-6 engine midway through the 2003 model year, which prompted the automaker to change the designation o ...