See also:

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 ...

Body testing facility: the M-Class on the road simulator
A totally dependable body and chassis systems that can cope with high levels of strain under even the most demanding conditions over hundreds of thousands of kilometres are particularly indispensa ...

Useful information
This Operator's Manual describes all models and all standard and optional equipment of your vehicle available at the time of publication of the Operator's Manual. Country-specific differenc ...