2008 Mercedes R-Class Owner's Manual - Page 476

Practical hints Unlocking/locking in an emergency Locking the vehicle If you cannot lock the vehicle with the SmartKey or KEYLESS-GO*, lock the vehicle carrying out the following steps. Close the front passenger door, the rear right door and the tailgate. Open the driver's door and the rear left door. Press the central locking switch on the driver's door ( page 127). The locking knobs of the front passenger door and the rear doors move down. If the vehicle battery is disconnected or drained: Press down the locking knobs of the front passenger door and the rear doors manually. Exit the vehicle. Close the driver's door. Enter the vehicle through the rear left door. Press down the locking knob of the driver's door. Fuel filler flap Open the tailgate ( page 119). The fuel filler flap release is located behind a cover in the right side trim panel of the cargo compartment. ! To prevent inadvertent lockout, make sure to have the SmartKey or SmartKey with KEYLESS-GO* with you before proceeding with the next step. The next step will lock the vehicle. Exit the vehicle. Close the rear left door. The vehicle is locked. i This procedure does not arm the anti-theft alarm system, nor does it lock the fuel filler flap. 1 Lock 2 Cover 475