Driving systems, On-board computer and displays – Mercedes-Benz S-Class 2012 User Manual
Page 430

Problem
Possible causes/consequences and M Solutions
The yellow reserve fuel
warning lamp flashes
while the vehicle is in
motion.
In addition, the ;
yellow Check Engine
warning lamp may light
up.
The fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.
X
Observe the additional display messages in the multifunction
display.
X
Check that the fuel filler cap is correctly closed.
X
If the fuel filler cap is not correctly closed: close the fuel filler
cap.
X
If the fuel filler cap is closed: visit a qualified specialist
workshop.
The yellow reserve fuel
warning lamp lights up
while the engine is
running.
The fuel level has dropped into the reserve range.
X
Refuel at the nearest gas station.
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.
G
Risk of accident
The warning is issued if you approach a stationary vehicle or a
vehicle driving ahead of you 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.
More information about DISTRONIC PLUS (
PRE-SAFE
®
428
Warning and indicator lamps in the instrument cluster
On-board computer and displays