What does the check engine light mean when illuminated.
Mercedes benz check engine light meaning.
When the check engine light turns on in your instrument cluster it means that the computer on your car has noticed that the engine is not running at it s best performance or the sensors that are being monitored are not providing readings withing the default ranges.
One light to which you should pay very close attention is the check engine light.
The check engine light on your mercedes is part of the onboard diagnostics obd system built into your vehicle.
When the check engine light goes on it means that the vehicle has identified an issue in the obd system.
During a regular maintenance check we can look at your mass airflow sensor and service your vehicle if needed.
A faulty air filter will result in lower gas mileage more emissions and stalling in some cases.
When you see the check engine light illuminated in your dash it means your mercedes benz has detected a problem within its obd system.
If you fail to replace your vehicle s air filter the check engine light can turn on.
What problems can trigger the check engine light.