Locking the vehicle (mechanical key)
If the vehicle can no longer be locked with the
SmartKey, use the mechanical key.
- Open the driver's door.
- Close the front-passenger door, the rear
doors and the tailgate.
- Press the locking button.
- Check whether the locking knobs on the
front-passenger door and the rear doors
are still visible. Press down the locking
knobs by hand, if necessary.
- Close the driver's door.
- Take the mechanical key out of the
SmartKey.
- Insert the mechanical key into the lock of
the driver's door as far as it will go.

- Turn the mechanical key clockwise as far
as it will go to position 1.
- Turn the mechanical key back and remove
it.
- Make sure that the doors and the tailgate
are locked.
- Insert the mechanical key into the
SmartKey.
If you lock the vehicle as
described above,
the fuel filler flap is not locked. The antitheft
alarm system is not armed.
See also:
Important safety notes
WARNING
For safety reasons, switch off the windshield
wipers and remove the key from the ignition
lock before changing the wiper blades
(vehicles with KEYLESS-GO: make sure that
the on-bo ...
Cockpit
1 Steering wheel paddle shifters
2 Combination switch
3 Instrument cluster
4 Horn
5 DIRECT SELECT lever
6 PARKTRONIC warning display
7 Overhead control panel
8 Climate control systems
9 Igni ...
Important safety notes
RACE START is only available in
AMG
vehicles.
RACE START enables optimal acceleration
from a standing start. The precondition for
this is a suitable high-grip road surface.
WARNING
RACE ...
