Mercedes-Benz E-Class Operator's Manual page 411

Warning/indicator lamp
#
Electrical malfunction warn‐
ing lamp
8
Fuel reserve warning lamp
8
Fuel reserve warning lamp
Possible causes/consequences and
Otherwise:
Leave the vehicle and keep a safe distance from the vehicle until the engine has cooled down.
#
Check the coolant level .
#
Make sure that the air supply to the radiator is not obstructed.
#
Avoiding high loads on the engine, drive on to the nearest qualified specialist workshop. In doing so, ensure that the
#
coolant temperature display remains below 248 °F (120 °C).
The red electrical malfunction warning lamp is lit.
There is a malfunction in the electrics.
Observe the messages in the multifunction display.
#
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.
#
The yellow fuel reserve warning lamp is lit while the engine is running.
The fuel level has dropped into the reserve range.
Refuel.
#
Display messages and warning/indicator lamps 409
M Solutions