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.

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

Firmly turn the mechanical key counterclockwise as far as it will go to position 1 and hold it in this position.
Pull the door handle quickly.
The locking knob pops up.
The door is unlocked.
Turn the mechanical key back and remove it.
Pull the door handle again.
Insert the mechanical key into the SmartKey.

    See also:

    Activating/deactivating the radar sensor system
    The following systems are switched off when the radar sensor system is deactivated: • DISTRONIC PLUS • BAS PLUS • PRE-SAFE® Brake • Blind Spot Assist • Active Blind Spot Assist USA on ...

    Cargo tie-down rings
    Observe the following notes on securing loads: • secure the load using the cargo tie down rings. • do not use elastic straps or nets to secure a load, as these are only intended as an an ...

    Roadside Assistance
    The Mercedes-Benz Roadside Assistance Program offers technical help in the event of a breakdown. Calls to the toll-free Roadside Assistance Hotline are answered by our agents 24 hours a day, 3 ...