Mercedes-Benz M-Class
Mercedes-Benz M-Class

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Displaying a service message
► Switch on the ignition.
► Press
to select the standard
display menu on the steering wheel.
► Select
to select the service
interval display.
The service due date appears ...
System self-test
After you have switched on the ignition, the system carries out a self-diagnosis.
WARNING
A malfunction in the system has been detected if one of the following conditions
occurs:
the indi ...
Problems with the rear window
defroster
The rear window defroster has deactivated
itself prematurely or cannot be activated.
•► Switch off any consumers that are not
required, e.g. reading lamps or interior
lighting.
When the ...
