Mercedes-Benz M-Class Owners Manual

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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 ...

Before changing a fuse
Park the vehicle and apply the parking brake. Switch off all electrical consumers. Remove the SmartKey from the ignition lock. The fuses are located in various fuse boxes: fuse box on th ...

Changing the set speed
When DSR is activated, the set speed can be changed to a value between 1 mph and 10 mph (Canada: between 2 km/h and 18 km/h) during the journey. – To increase or decrease the set speed in 1 ...