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:
The first 1000 miles (1500 km)
The more you look after the engine when it is
new, the more satisfied you will be with its
performance in the future.
• Drive at varying vehicle speeds and engine
speeds for the first 1000 mile ...
Cleaning the display
Before cleaning the display, make sure that it is switched off and has
cooled down.
Clean the display surface using a commercially-available microfiber cloth
and TFT/LCD display cleaner.
...
General notes
WARNING
All categories of messages contain important information which should be taken
note of and,
where a malfunction is indicated, addressed as soon as possible at an authorized
Mercedes-B ...