Mercedes-Benz SL 550 BlueEFFICIENCY, Operator'S Manual

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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 498).
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 under 248 ‡ (120 †), drive to the next
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. 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 DISTRONIC PLUS (
Y
page 166).
Further information on PRE-SAFE
®
Brake (
Y
page 63).
Warning and indicator lamps
265
On-board computer and displays
Z