Problems with the SmartKey

See also:

Important safety notes
WARNING If you leave children unsupervised in the vehicle, they could set it in motion by, for example: • releasing the parking brake • shifting the automatic transmission out of the parking pos ...

4MATIC (permanent four-wheel drive)
Never tow the vehicle with one axle raised. This may damage the transfer case. Damage of this sort is not covered by the Mercedes-Benz Limited Warranty. All wheels must remain either on the grou ...

Unlocking the driver's door (mechanical key)
If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be trigger ...