Mechanical key
General notes
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.
There are several ways to turn off the alarm:
► To turn the alarm off with the
SmartKey: press the
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.
Removing the 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:
Service and literature
Your vehicle is covered under the terms of the
warranties printed in the Service and
Warranty Information booklet. Your
authorized Mercedes-Benz Center will
exchange or repair any defective pa ...
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Follow the instructions in this
manual
about the proper operation of your vehicle
as well as about possible vehicle damage.
Damage to your vehicle that arises from
culpable contraventions ag ...
