Mercedes-Benz S-Class 2010 - Manual (Page 498)

Driving systems
Problem Possible causes/consequences and M Solutions
· DISTRONIC PLUS
or PRE-SAFE
®
Brake: The red
distance warning
lamp comes on
while driving and
an acoustic
warning sounds.
You are gaining too rapidly on the vehicle ahead of you or
DISTRONIC PLUS or PRE-SAFE
® Brake has recognized a stationary
obstacle on your probable line of travel.
X Apply the brakes immediately.
X Carefully observe the traffic situation. You may need to brake
or maneuver to avoid hitting an obstacle.
Vehicle
Problem Possible causes/consequences and M Solutions
The yellow fuel tank
reserve warning lamp in
the fuel gauge comes
on while driving. The fuel level has gone below the reserve mark.
X Refuel at the next gas station.
Engine
Problem Possible causes/consequences and M Solutions
;
The yellow engine
malfunction indicator
lamp comes on when
the engine is running. There may be a malfunction in
R the fuel management system
R the ignition system
R the emission control system
R systems which affect emissions
Such malfunctions may result in excessive emissions values and
may switch the engine to limp-home (emergency operation) mode.
X Have the vehicle checked as soon as possible at an authorized
Mercedes-Benz Center.
i Some states may by law require you to visit a workshop as
soon as the engine malfunction indicator lamp comes on. Check
local requirements.
;
The yellow engine
malfunction indicator
lamp comes on when
the engine is running. A loss of pressure has been detected in the fuel system. The fuel
cap may not be closed properly or the fuel system may be leaky.
X Check the fuel cap ( Y page 402).
X If it is not closed properly: Close the fuel cap.
X If it is closed properly: Have the fuel system checked by an
authorized Mercedes-Benz Center.
496
What to do if …
Practical hints
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2009-09-24T13:28:17+02:00 - Seite 496