General information
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged.
► Check the battery in the SmartKey and
replace it if necessary.
► Unlock the driver's door using the
mechanical key.
► Lock the vehicle.
► Have the starter battery and battery
contacts checked at an authorized
Mercedes-Benz Center.
If the SmartKey is faulty, contact Roadside Assistance or an authorized Mercedes-Benz Center.
See also:
Remote vehicle locking
If you forget to lock your vehicle but are no
longer in the vicinity of the vehicle, it can be
locked for you by the Mercedes-Benz
Customer Assistance Center.
The vehicle can be locked remotely ...
Folding the rear seat backrest back
•► Move the driver's or front-passenger seat
forward if necessary.
! Make sure that the seat belt does not
become trapped when folding the rear seat
backrest back. Otherwise, it could b ...
Hill start assist
Hill start assist helps you when pulling away
forwards or in reverse on an uphill gradient.
It holds the vehicle for a short time after you
have removed your foot from the brake pedal.
This gi ...