Points to observe before use
With the exception of the socket in the front center console, all sockets can be used for accessories with a maximum current draw of 240 W (20 A), e.g. lamps or chargers for mobile phones.
The socket in the center console in the front compartment can be used for accessories, e.g lamps or mobile phone chargers with a maximum current draw of 180 W (15 A).
If you use the sockets for long periods when the engine is switched off, the battery may discharge.
– Turn the SmartKey to position 1 in the ignition lock.
An emergency cut-out ensures that the
on-board voltage does not drop too low. If
the on-board voltage is too low, the power
to the sockets is automatically cut. This
ensures that there is sufficient power to
start the engine.
See also:
Mercedes-Benz M-Class Owners Manual
...
Resetting to factory settings
For safety reasons, the Daytime Running
Lights: function in the Lights submenu is
only reset when the vehicle is stationary.
– Press the or
button on the
steering wheel to select the Setting ...
Important safety notes
WARNING
Never switch off the engine while the vehicle
is in motion.
There is no brake boost for the service brake
if the engine is not running. If the ignition is
switched off, there is also ...