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 on the SmartKey. 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

Push release catch 1 in the direction of the arrow and at the same time, remove mechanical key 2 from the SmartKey.

    See also:

    Intelligent solutions promote excellent safety
    The GL-Class makes full use of the advantages of its unitised body, combining optimum strength with intelligent lightweight steel design. The result is excellent passive safety. Combined with the ...

    Useful information
    This Operator's Manual describes all models and all standard and optional equipment of your vehicle available at the time of publication of the Operator's Manual. Country-specific differenc ...

    NECK-PRO luxury head restraints
    If you have difficulty resetting the NECKPRO luxury head restraints, have this work carried out at a qualified specialist workshop, e.g. an authorized Mercedes- Benz Center. Remove resett ...