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:
Washing by hand
Carefully remove all deposits of road salt as
soon as possible when driving in winter.
Also, clean the insides of the wheels when
washing the underbody of the vehicle.
•► Do not use hot wa ...
Exterior
Measuring an inch shorter than the BMW X5 and 3.6 inches shorter than the RX
330, the four-door M-Class is 182.6 inches long overall and rides on a 111-inch
wheelbase. At 71.7 inches tall, the M-C ...
M+S tires
At temperatures below 45 ‡(+7 †), use winter tires or all-season tires. Both
types of tire are identified by the M+S marking.
Only winter tires bearing the snowflake
symbol in addition to the M+ ...