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:
Checking the oil level using the oil dipstick
Park the vehicle on a level surface. To check the oil level with the engine
at operating temperature, switch the engine off and wait for approximately five
minutes.
Pull oil dipstick 1 ou ...
2011 Mercedes-Benz GL-Class Review
Let's face it: If you're smitten by Mercedes' GL-Class full-size SUV, the
recent run-up in prices at the pump probably rates somewhere between
insignificant and unimportant in your car search. Wit ...
General information
Operational readiness of the navigation
system
The navigation system must determine the
position of the vehicle before first use or
whenever operational status is restored.
Therefore, you may ...