SmartKey functions

See also:

Important safety notes
It is particularly important to use a safety net if the vehicle is loaded with small objects above the level of the backrests. For safety reasons, always use a cargo net when transporting load ...

Notes for 4MATIC vehicles
Vehicles with 4MATIC must not be towed with either the front or the rear axle raised, as doing so will damage the transmission. If the vehicle has transmission damage or damage to the front or ...

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 ...