EASY-PACK through-loading facility in the rear bench seat (Wagon)

Important safety notes

WARNING
Never drive a vehicle with the tailgate open.

Deadly carbon monoxide (CO) gases may enter vehicle interior resulting in unconsciousness and death.

See also:

Mercedes-Benz M-Class Owners Manual
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Switching maximum cooling MAX COOL on/off
The MAX COOL function is only available in vehicles for the USA. MAX COOL is only operational when the engine is running. When you activate MAX COOL, climate control switches to the following ...

Working on the vehicle
WARNING When working on the vehicle, engage the parking brake and shift the automatic transmission into park position P. Otherwise the vehicle could roll away which could result in an accide ...