Problems with the SmartKey

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General notes
Mounting the emergency spare wheel is described under "Mounting a wheel"  . You should regularly check the pressure of the emergency spare wheel, particularly prior to long trips, ...

PRE-SAFE® (anticipatory occupant protection system)
WARNING The PRE-SAFE® system reduces the impact of an accident on vehicle occupants, as long as their seat belts have been fastened correctly. Although your vehicle is equipped with a PRESAFE ® ...

Information on 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 rea ...