Operation Manual

Warning/
indicator
lamp
NN Signal type
Possible causes/consequences and MM 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 327).
X
If you need to add coolant more often than usual, have the engine coolant
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 mountainous
terrain, and stop-and-go traffic.
Driving systems
Warning/
indicator
lamp
NN Signal type
Possible causes/consequences and MM Solutions
·
N The red distance warning 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.
Further information on PRE‑SAFE
®
Brake (Y page 74).
For further information about the distance warning function of COLLISION
PREVENTION ASSIST PLUS, see (Y page 69).
Warning and indicator lamps in the instrument cluster
293
On-board computer and displays
Z