Unlocking the driver's door (mechanical key)

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.

the SmartKey. Take the mechanical key out of the SmartKey.
lock of the driver's door as far as it will go. Insert the mechanical key into the lock of the driver's door as far as it will go.

Turn the mechanical key

counterclockwise to position 1. Turn the mechanical key counterclockwise to position 1.
The door is unlocked.
remove it. Turn the mechanical key back and remove it.
SmartKey. Insert the mechanical key into the SmartKey.

    See also:

    Important safety notes
    WARNING   Gasoline and diesel fuels are highly flammable and poisonous. They burn violently and can cause serious injury. Never allow sparks, flames or smoking materials near gasoline o ...

    S-Class in the Market
    The S-Class is up against some very good competition in the full-size luxury sedan category, including the LS 460, which starts significantly below the Mercedes' $86,700 base price. The S-Class an ...

    Optional Features
    A number of packages and individual options are available for the GLK350. The Premium Package bundles a number of features, including a panoramic moonroof, power liftgate, a memory feature, Sirius ...