Users Manual Part 5

Warning/indicator lamp
Possible causes/consequences and M Solutions
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Consult a qualified specialist workshop.
or
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Exit the vehicle and keep a safe distance from it until the engine has cooled down.
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Check the coolant level (/ page 460).
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Make sure that the air supply to the radiator is not obstructed.
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Avoiding high loads on the engine, drive to the nearest qualified specialist workshop. In doing so, ensure that the
coolant temperature display remains below 120 °C.
;
Engine diagnosis warning
lamp
The yellow engine diagnostics 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 value may have been exceeded and the engine may be running in emergency operation mode.
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Have the vehicle checked as soon as possible at a qualified specialist workshop.
*Vehicles with a diesel engine: the fuel tank may have been run dry.
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Start the engine three to four times after refuelling.
If the yellow engine diagnosis warning lamp goes out, emergency operation mode is cancelled. The vehicle need
not be checked.
Display messages and warning/indicator lamps
641