See also:

Important safety notes
If a tire pressure monitor system is installed, the vehicle's wheels have sensors that monitor the tire pressures in all four tires. The tire pressure monitor warns you if the pressure drops i ...

Mercedes-Benz M-Class Owners Manual
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Opening
You can open the tailgate automatically using the SmartKey or the handle in the tailgate. - Press and hold the button on the SmartKey until the tailgate opens. or - When the tailgate is unl ...