Mercedes-Benz G-Class 2021 Owner's Manual page 482

W W ar arning/indicat ning/indicator lamp or lamp
;
Engine diagnosis warning
lamp
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Electrical fault warning lamp
Possible causes/conseq P ossible causes/consequences and uences and
Check the coolant level (
/
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Make sure that the air supply to the radiator is not obstructed.
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Consult a quali ed specialist workshop.
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Avoiding high loads on the engine, drive to the nearest quali ed specialist workshop. In doing so, ensure that the
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coolant temperature display remains below 120°C.
* 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.
Have the vehicle checked as soon as possible at a quali ed specialist workshop.
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V V ehicles wit ehicles with a diesel engine: h a diesel engine: the fuel tank may have been run dry.
Start the engine three to four times a er refuelling.
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If the yellow engine diagnosis warning lamp goes out, emergency operation mode is cancelled. The vehicle need not
be checked.
* The red electrical fault warning lamp is lit.
There is a fault in the electrics.
Note the messages on the instrument display.
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M M Solutions Solutions
page 362).
Display messages and warning/indicator lamps 479
479