Problem
Possible causes/consequences and M Solutions
X
Leave the vehicle and keep a safe distance from the vehicle until
the engine has cooled down.
X
Check the coolant level and add coolant, observing the warning
notes (
Y page 279).
X
If you have to add coolant frequently, have the engine cooling
system checked.
X
Make sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
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 moun-
tainous terrain, and stop-and-go traffic.
Driving systems
Problem
Possible causes/consequences and M Solutions
·
The red distance warn-
ing lamp lights up while
the vehicle is in motion.
A warning tone also
sounds.
You are approaching a vehicle or a stationary obstacle in your line
of travel at too high a speed.
X
Be prepared to brake immediately.
X
Pay careful attention to the traffic situation. You may have to
brake or take evasive action.
Observe the additional information on DISTRONIC PLUS
(
Y page 170).
Observe the additional information on COLLISION PREVENTION
ASSIST PLUS (
Y page 203).
Warning and indicator lamps
251
On-board computer and displays
Z
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