2008 Mercedes S-Class Owner's Manual - Page 672

Practical hints Unlocking/locking in an emergency Unlocking/locking in an emergency Unlocking the vehicle If you cannot unlock the vehicle with the SmartKey or KEYLESS-GO*, unlock the driver's door and the trunk using the mechanical key. Removing the mechanical key Unlocking the driver's door i Unlocking the vehicle with the mechanical key and opening the driver's door or the trunk with the mechanical key will trigger the anti-theft alarm system ( page 81). To cancel the alarm, insert the SmartKey or SmartKey with KEYLESS-GO* in the starter switch. 1 Mechanical key locking tab 2 Mechanical key Move locking tab 1 in the direction of arrow. Slide mechanical key 2 out of the housing. 1 Unlocking 2 Mechanical key Insert mechanical key 2 into the driver's door lock until it stops. Turn mechanical key 2 counterclockwise to position 1 and hold it there. Pull the door handle until the locking knob moves up. The driver's door is unlocked. Pull the door handle once more to open the driver's door. 671