See also:

Complete safety package for maximum occupant protection
In combination with the front and rear deformation zones, the Mercedes-Benz GLK-Class's highstrength passenger cell provides a highly efficient foundation for the occupant protection systems. Thes ...

2011 Mercedes-Benz S-Class Review
Even as BMW, Audi and Jaguar throw new cars into the luxury-flagship ring, Mercedes-Benz has kept its S-Class sedan competitive, with sedans that start below $90,000 and top out at more than double ...

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 trigg ...