Radiator
Vehicles with a diesel engine: do not cover the radiator, for example with a winter front or bug cover. Otherwise, the readings of the on-board-diagnostic system may be inaccurate. Some of these readings are required by law and must be accurate at all times.
See also:
Snow chains
For safety reasons, Mercedes-Benz
recommends that you only use snow chains
which have been specially approved for your
vehicle by Mercedes-Benz, or are of a
corresponding standard of quality.
...
Problems with PARKTRONIC
Problem
Possible causes/consequences and
Solutions
Only the red segments in the PARKTRONIC warning displays are lit.
You also hear a warning tone for approximately two second ...
Inserting/ejecting CDs/DVDs
DVD changer
The DVD changer has a fixed magazine with
six trays.
Magazine tray status 3:
• Indicator lamp off: magazine tray is empty.
• Indicator lamp constantly lit: magazine tray
is loade ...