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 trunk lid/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 trunk lid/
tailgate are locked.
•► Insert the mechanical key into the
SmartKey.
See also:
AMG displays
Press or
on the steering wheel
to select the AMG menu.
1 Gear indicator
2 Upshift indicator
3 Engine oil temperature
4 Coolant temperature
Upshift indicator UP 2 indicates that the ...
Downloading destinations in COMAND
Information on the components and
operating principles of COMAND can be
found in the separate COMAND operating
instructions.
You can only use the Destination
Download function if the vehicle ...
Coolant temperature display
WARNING
Driving when your engine is overheated can
cause some fluids which may have leaked into
the engine compartment to catch fire. You
could be seriously burned.
Steam from an overheate ...
