Mercedes-Benz 2013 C-Class Coupe, Owner'S Manual

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Problem Possible causes/consequences and
M
Solutions
X
Make sure that the air supply to the engine radiator is not
blocked, e.g. by frozen slush.
X
Check the coolant level and top up the coolant (
Y
page 318).
Observe the warning notes as you do so.
X
If you have to top up the coolant frequently, have the engine
cooling system checked.
X
If the coolant temperature is below 120 † you can continue
driving to the nearest qualified specialist workshop.
X
Avoid heavy loads on the engine as you do so, e.g. driving in
mountainous terrain and stop-start traffic.
Driving systems
Problem Possible causes/consequences and
M
Solutions
·
The red distance warn-
ing 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 warn-
ing 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 179) and
PRE-SAFE ® Brake (
Y
page 77).
290
Warning and indicator lamps in the instrument cluster
On-board computer and displays