Mechanical key
General notes
If the vehicle can no longer be locked or 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 
or
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.
If you unlock the vehicle using the mechanical key, the fuel filler flap will not be unlocked automatically.
■ To unlock the fuel filler flap: insert the SmartKey into the ignition lock.
Removing the mechanical key
1 Release catch
2 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:
Engine number
Example: G 550
1 Plate with information on emissions
testing, including the confirmation of the
emission standards at U.S. federal level
as well as for California
2 Engine number (stamped into ...
Vehicle identification plate with
vehicle identification number (VIN)
■ Open the driver's door.
You will see vehicle identification plate 1.
Example: vehicle identification plate (USA only)
2 Paint code
3 VIN
Example: vehicle identification plate (Canad ...
Doors
Important safety notes
WARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unsuperv ...