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:

    Service messages
    Information on the type of service and service intervals (see separate Service Booklet). You can obtain further information from an authorized Mercedes-Benz Center or at http://www.mbusa.com (U ...

    Premium-grade unleaded gasoline
    To ensure the longevity and full performance of the engine, only premiumgrade unleaded gasoline may be used. If there is no premium-grade unleaded gasoline available and regular-grade un ...

    Applying/releasing manually
    To apply: press handle 1. The red (USA only) or (Canada only) indicator lamp in the instrument cluster lights up. The electric parking brake can also be applied when the SmartKey is remov ...