Mercedes-Benz 2009 SL-Class Operator's Manual page 303

Driving systems
Problem
E The white Distronic indica-
tor lamp comes on while
driving.
E The red distance warning
lamp comes on while driv-
ing and you hear a warning
sound.
Vehicle
Problem
4 The yellow fuel tank
reserve warning lamp
comes on when the engine
is running.
4 The yellow fuel tank
reserve warning lamp
comes on when the engine
is running.
Possible cause/consequence
You are too close to the vehicle in
front of you to maintain selected
speed.
You are gaining too rapidly on the
vehicle ahead of you or the dis-
tance warning system has recog-
nized a stationary obstacle on
your probable line of travel.
Possible cause/consequence
The fuel level has gone below the
reserve mark.
The fuel cap is not closed prop-
erly.
Suggested solutions
X
Apply the brakes immediately to increase the following distance.
X
Apply the brakes immediately.
X
Carefully observe the traffic situation. You may need to brake or
maneuver to avoid hitting an obstacle.
Suggested solutions
X
Refuel at the next gas station.
X
Close the fuel cap.
Practical hints
What to do if ...
Z
301