See also:

Mercedes-Benz M-Class Owners Manual
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Setting climate control to automatic
WARNING If you switch off the cooling function, the vehicle will not be cooled when weather conditions are warm. The windows can fog up more quickly. Window fogging may impair visibility an ...

How the air bag deactivation systemworks
The BabySmart™ system is standard equipment in Canada. WARNING   Accident statistics show that children secured in the rear seats are safer than children secured in the front-passenger ...