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, the anti-theft alarm system will be triggered.

There are several ways to turn off the alarm:

the SmartKey: press the  or To turn the alarm off with the SmartKey: press the button on the SmartKey. or or button on the SmartKey.

or

ignition lock. Insert the SmartKey into the ignition lock.

or

KEYLESS-GO: To deactivate the alarm with KEYLESS-GO: press the Start/Stop button in the ignition lock. The SmartKey must be in the vehicle.

or

KEYLESS-GO. The SmartKey must be outside the Lock or unlock the vehicle using KEYLESS-GO. 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.

flap: insert the SmartKey in the ignition lock. To unlock the fuel filler flap: insert the SmartKey in the ignition lock.

    See also:

    Crash-responsive emergency lighting
    The interior lighting is activated automatically if the vehicle is involved in an accident. •► To switch off the crash-responsive emergency lighting: press the hazard warning lamp button. ...

    Calling up contacts/details
    You can call up contacts with the list or by using the character bar. Phone book/address book basic display 1 List Entry with navigable data Entry with voice tag; see the separate operat ...

    Servicing the brakes
    If the red brake warning lamp lights up in the instrument cluster and you hear a warning tone while the engine is running, the brake fluid level may be too low. Observe additional warning messag ...