Mercedes-Benz Metris Operating Instructions Manual page 235

Indicator and warning lamps in the instrument cluster
Engine
Warning/ N Signal type
indicator
Possible causes/consequences and M Solutions
lamp
N The yellow Check Engine warning lamp lights up while the engine is running.
;
There may be a malfunction in the following vehicle systems:
in the engine management
R
in the transmission management
R
in the fuel injection system
R
in the exhaust system
R
in the ignition system (for vehicles with a gasoline engine)
R
in the fuel system
R
The emission limit values may be exceeded and the engine may be running in
emergency mode.
X
Have the vehicle checked as soon as possible at a qualified specialist work-
shop.
N The yellow reserve fuel warning lamp is on while the engine is running.
6
The fuel level has dropped to the reserve range.
X
Refuel at the nearest gas station.
N The red coolant warning lamp comes on while the engine is running.
?
On vehicles without steering wheel buttons, the coolant temperature gauge is at
the start of the bar display (
On vehicles with steering wheel buttons, the coolant temperature gauge is at
the start of the scale in the instrument cluster (
The temperature sensor for the coolant temperature gauge is faulty.
The coolant temperature is no longer being monitored. There is a risk of engine
damage if the coolant temperature is too high.
X
Stop the vehicle immediately, paying attention to road and traffic conditions,
and switch off the engine. Do not continue driving under any circumstances.
X
Secure the vehicle to prevent it from rolling away (
X
Consult a qualified specialist workshop.
Y
page 178).
Y
page 40).
Y
page 138).
Z
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