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:
Driving systems
Problem
Possible causes/consequences and
Solutions
The red
distance
warning lamp lights up
while the vehicle is in
motion. A warning tone
also sounds.
R ...
General notes
If you cannot lock or unlock the vehicle with the SmartKey, either the battery
in the SmartKey is discharged, the SmartKey is faulty or the starter battery is
discharged.
Check the battery in ...
Automatic drive program
Drive program E (drive program C on AMG vehicles) is characterized by the
following:
• comfort-oriented engine and automatic transmission settings
• optimal fuel consumption resulting from the aut ...
