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:
Important safety notes
WARNING
The DISTRONIC PLUS requires familiarity with
its operational characteristics. We strongly
recommend that you review the following
information carefully before operating the
system.
...
General notes
USA only:
This device complies with Part 15 of the
FCC Rules. Operation is subject to the
following two conditions:
1. This device may not cause harmful
interference, and
2. this device mus ...
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 locki ...
