Mechanical key
General notes
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 triggered.
There are several ways to turn off the alarm:
► To turn the alarm off with the
SmartKey: press the 
button
on the SmartKey.
or
► Insert the SmartKey into the ignition
lock.
or
► To deactivate the alarm with KEYLESSGO:
press the Start/Stop button in the
ignition lock. The SmartKey must be in the
vehicle.
or
► Lock or unlock the vehicle using
KEYLESSGO.
The SmartKey must be outside the vehicle.
Removing the mechanical key
► Push release catch 1 in the direction of the arrow and at the same time, remove mechanical key 2 from the SmartKey.
See also:
Cleaning genuine wood and trim
elements
Wipe the wooden trim and trim pieces with
a damp, lint-free cloth, e.g. a microfiber
cloth.
Heavy soiling: use car care and cleaning
products recommended and approved by
Mercedes-Benz.
Do ...
Activating the rear view camera
Make sure that the SmartKey is in position
2 in the ignition lock.
Engage reverse gear.
The area behind the vehicle is shown in the
COMAND display with guide lines. ...
Adjusting the exterior mirrors
WARNING
Exercise care when using the passenger-side exterior rear view mirror. The mirror
surface is convex (outwardly curved surface for a wider field of view). Objects
in mirror are closer ...