If your Mercedes' check engine light comes on and off at random, you could be dealing with one of the above-mentioned problems. You need to reach out to a car mechanic so that the culprit can be diagnosed in time.
6. The ECU controls the engine's operation based
on inputs received from many sensors.
Some of them are;
Oxygen
sensor
MAF
sensor
Throttle
position
sensor
Cam/cran
kshaft
sensor etc.
7. If any of these
sensors
malfunction, the
check engine
light will flash.
16. You need to find out the
culprit that's destabilizing
the air-fuel ratio within
the engine.
Because leaving the
problem unaddressed can
cause engine failure.