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 or the trunk lid/ tailgate, 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 in the ignition lock.
See also:
Headlamps fogged up on the inside
The headlamps may fog up on the inside if
there is high atmospheric humidity.
- Drive with the headlamps switched on.
The level of moisture diminishes,
depending on the length of the journey and ...
General notes
WARNING
All categories of messages contain important information which should be taken
note of and,
where a malfunction is indicated, addressed as soon as possible at an authorized
Mercedes-Be ...
Vehicle remote opening
If you have unintentionally locked your vehicle (e.g. the SmartKey is still in
the vehicle) and a replacement SmartKey is not available, the vehicle can be opened
by a Mercedes-Benz Customer Assis ...