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:
Additives
Do not use any additives in the engine oil.
This could damage the engine. ...
C-Class in the Market
Second only to the 3 Series in terms of sales popularity, the C-Class takes a
different tack than its BMW rival. The BMW is dynamically talented but, for
some, uninvitingly austere; the Benz is so ...
Setting the airflow
Dual-zone automatic climate control
•► Turn the SmartKey to position 2 in the
ignition lock.
•► To increase/reduce: press button 11 up
or down
3-zone automatic climate control
• ...