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:
Important notes on use
To function properly, BlueTEC exhaust gas
aftertreatment must be operated with the
reducing agent DEF. Adding DEF is one of the
tasks performed during maintenance. Under
normal operating condi ...
Adjusting the climate mode settings
(AIR FLOW)
This function is only available with 3-zone
automatic climate control.
The climate mode settings are especially
effective at high temperatures.
You can select the following climate mode
settin ...
2-zone automatic climate control
Different temperatures can be set for the
driver's and front-passenger sides.
•► Turn the SmartKey to position 2 in the
ignition lock.
•► To increase/reduce: press button 9 or
12 u ...