Mercedes-Benz M-Class Owners Manual
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Changing the battery
You require a CR 2025 3 V cell battery.
Take the mechanical key out of the SmartKey ().
Press mechanical key 2 into the opening in the SmartKey in the direction
of the arrow until batte ...
Switching on DISTRONIC PLUS, storing
the current speed and maintaining it
Important safety notes
WARNING
The vehicle can be braked when DISTRONIC
PLUS is activated. For this reason, deactivate
DISTRONIC PLUS if the vehicle is to be set in
motion by other means (e. ...
Problems with the seat heating
The seat heating has switched itself off
prematurely. The vehicle's electrical system
voltage is too low because too many electrical
consumers are switched on.
Switch off electrical consumers ...
