Mercedes-Benz Mercedes-AMG GT4-door coupe, Owner'S Manual

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Warning/indicator lamp
Possible causes/consequences and M M Solutions
;
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.
#
Have the vehicle checked as soon as possible at a qualified specialist workshop.
p
Engine operating tempera‐
ture warning lamp
*The blue warning lamp for engine operating temperature will remain lit until the engine operating temperature has
been reached.
The engine output and engine torque will remain reduced until then.
#
Take this into consideration in your driving style.
#
Electrical fault warning
lamp
* The red electrical fault warning lamp is lit.
There is a fault in the electrics.
#
Note the messages on the multifunction display.
8
Fuel reserve warning lamp
lights up
* The yellow fuel reserve warning lamp lights up while the engine is running.
The fuel supply has dropped into the reserve range.
#
Refuel.
440 Display messages and warning/indicator lamps