Mercedes-Benz 2013 C Class Sedan - Manual (Page 255)

Problem Possible causes/consequences and M Solutions
X Make sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
X Check the coolant level and add coolant ( Y page 286). Observe
the warning notes.
X If you need to add coolant more often than usual, have the
engine coolant system checked.
X At coolant temperatures below 248 ‡ (120 †) drive to the
nearest qualified specialist workshop.
X Avoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop-and-go traffic.
Driving systems
Problem Possible causes/consequences and M Solutions
·
The red distance
warning lamp lights up
while the vehicle is in
motion. G WARNING
The distance to the vehicle in front is too small for the speed
selected.
There is a risk of an accident.
X Increase the distance.
·
The red distance
warning lamp lights up
while the vehicle is in
motion. A warning tone
also sounds. G
WARNING
You are approaching a vehicle or a stationary obstacle in your line
of travel at too high a speed.
There is a risk of an accident.
X Be prepared to brake immediately.
X Pay careful attention to the traffic situation. You may have to
brake or take evasive action.
More information about DISTRONIC PLUS ( Y page 167) and
PRE-SAFE ® Brake ( Y page 69).
Warning and indicator lamps in the instrument cluster
253
On-board computer and displays
Z