Low outside temperatures
DEF freezes at a temperature of approximately 12 °F (–11 °C). The vehicle is equipped with a DEF preheating system when it leaves the factory. Winter operation is therefore also guaranteed at temperatures below 12 °F (–11 °C).
See also:
Front air bags
The front air bags increase protection for the
driver's and front-passenger's head and
chest.
Driver's air bag 1 deploys in front of the
steering wheel; front-passenger front air
bag 2 depl ...
911 emergency call
WARNING
The 911 emergency call system is a public
service. Using it without due cause is a
criminal offense.
The following requirements must be fulfilled
for a 911 emergency call:
• the m ...
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 ...