Automatic engine start
The engine is started automatically if you:
• release the brake pedal when HOLD is not
activated and the transmission is in
position D or N
• shift the transmission to position R
• depress the accelerator pedal
• switch off the ECO start/stop function or
switch to drive program S or M
• unfasten your seat belt or open the driver's
door
The engine is also started automatically if:
• the vehicle starts to roll.
• the brake system requires this.
• the system detects moisture on the
windshield when the air-conditioning
system is switched on.
• the temperature in the vehicle interior
deviates from the set range.
• the charge level of the battery is too low.
See also:
Haven of calm: optimum vibration and acoustic comfort
The new M-Class promises relaxed and therefore safe motoring under all
possible (and even impossible) conditions. By paying close attention to detail
every step of the way, the development enginee ...
Emergency Tensioning Devices, belt
force limiters
The front seat belts and the outer seat belts
in the rear are equipped with ETDs and seat
belt force limiters.
The ETDs on the driver's and front-passenger
seat consist of pyrotechnic belt buck ...
Roadside Assistance button
X Press and hold Roadside Assistance button 1 for more than two seconds. This
initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator
lamp in Roadside Assistance button 1 ...
