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:
Adjusting the steering wheelmanually
This function is only available in vehicles in
the USA.
1 Release handle
2 To adjust the steering wheel height
3 To adjust the steering wheel position
(fore-and-aft adjustment)
► Pull ...
Driving systems
Display messages
Possible causes/consequences and
Solutions
Based on specific criteria, ATTENTION ASSIST has determined that the
driver is tired or paying less attentio ...
Charging the battery
WARNING
Never charge a battery still installed in the
vehicle unless a battery charger unit approved
by Mercedes-Benz is being used. Gases may
escape during charging and cause explosions
...