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 triggered.
► 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.

► Firmly turn the mechanical key
counterclockwise
as far as it will go to position
1 and hold it in this position.
► Pull the door handle quickly.
The locking knob pops up.
The door is unlocked.
► Turn the mechanical key back and remove
it.
► Pull the door handle again.
► Insert the mechanical key into the
SmartKey.
See also:
Engaging the electric parking brake
automatically
The electric parking brake is automatically
applied if HOLD or DISTRONIC PLUS brakes
the vehicle until it is stationary and at least
one of the following conditions is fulfilled:
• the engine ...
Important safety notes
See the "Important safety notes" section
If ESP® detects that the vehicle is deviating
from the direction desired by the driver, one
or more wheels are braked to stabilize the
vehicle ...
General information
- Do not exceed the legally prescribed
maximum speed for vehicle/trailer
combinations in the relevant country.
This lowers the risk of an accident.
- Only install an approved trailer coupling on ...
