See also:

Trailer power supply
The trailer socket of your vehicle is equipped at the factory with a permanent power supply. The permanent power supply is supplied via trailer socket pin 4. You can connect accessories with a m ...

Numerous stowage facilities, high degree of variability and temperature-controlled cup holder
Numerous, easily accessible stowage facilities in the M-Class can accommodate bottles, mugs, keys, coins and much more. Each of the four doors can also easily accommodate a large 1-litre bottle. ...

Changing the settings of the locking system
You can change the setting of the locking system in such a way that only the driver's door and the fuel filler flap are unlocked. This is useful if you frequently travel on your own. - To chang ...