2005 Mercedes S-Class Owner's Manual - Page 385
2005 Mercedes S-Class Manual
Page 385 highlights
Practical hints Unlocking/locking in an emergency Unlocking/locking in an emergency Unlocking the vehicle If you are unable to unlock the vehicle with the SmartKey or KEYLESS-GO*, open the driver's door and the trunk using the mechanical key. Removing the mechanical key Unlocking the driver's door i Unlocking the driver's door and/or the trunk with the mechanical key will trigger the anti-theft alarm system. 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 direction of arrow. Slide the mechanical key 2 out of the housing. 1 Unlocking Insert the mechanical key into the driver's door lock until it stops. Turn the mechanical key counterclockwise to position 1. The driver's door is unlocked. 383