Mercedes-Benz E-Class Sedan, Operator'S Manual

Page: 455 / 498

Engine
Warning/indicator lamp
Possible causes/consequences and M Solutions
;
Engine diagnosis warning
lamp
The yellow engine diagnosis warning lamp is lit while the engine is running.
A malfunction has occurred in the engine, the exhaust system or the fuel system.
The emissions limit values may be exceeded and the engine may be running in emergency operation mode.
In some states, legal requirements stipulate that you must immediately consult a qualified specialist workshop as soon
as the yellow engine diagnosis warning lamp lights up.
#
Have the vehicle checked as soon as possible at a qualified specialist workshop.
#
Electrical malfunction warn‐
ing lamp
The red electrical malfunction warning lamp is lit.
There is a malfunction in the electrics.
#
Observe the messages in the multifunction display.
8
Fuel reserve warning lamp
The yellow fuel reserve warning lamp lights up while driving.
There has been pressure loss in the fuel system. The fuel filler cap is not closed correctly or the fuel system is leaking.
#
Close the fuel filler cap.
#
If the fuel filler cap was already properly closed: consult a qualified specialist workshop.
Display messages and warning/indicator lamps 453