Seeing the check engine light blink while you are in the middle of the road is scary. There could be some serious issues with the engine mercedes cars are known for and you might end up stranded in the middle of nowhere or causing a traffic jam. Of course, the best thing to do is to find the nearest safe spot to pull over and check on the issue.
There are several reasons why the check engine light is on, here are the most common reasons why and how to deal with them:
Reason 1: Loose Gas Cap
The gas cap of your Mercedes Benz may not look like an important part of the vehicle, it, in fact, plays a vital role. The cap is responsible for maintaining the pressure within the engine to prevent the vapors from the fuel from leaking out. When the check engine light is on, the first thing to inspect is the gas cap. Unscrew the cap and put it back until you hear a click.
Allow up to a full day for the check engine light to reset itself after placing the cap in its correct position.
Reason 2: Malfunctioning Oxygen Sensor
The job of the oxygen sensor is to monitor unburned oxygen percentage inside of the exhaust. As time goes by and the engine Mercedes Benz has gets used frequently, ash can cover the sensor which reduces its ability to detect unused oxygen percentage. The check engine light will light up because gas mileage is decreased while emissions are increased. This is best resolved by a mechanic who is skilled and equipped with the right Mercedes tools to prevent any damage to the sensor and the vehicle.
Reason 3: Faulty Mass Airflow Sensor
Mercedes Benz are known for their intricate and state of the art vehicle technology, which is one of the reasons why they are hard to diagnose and repair. One part of the car’s technology that can result in the check engine light blinking is a faulty mass air flow sensor. The vehicle is equipped with a computer that detects how much fuel the car needs by measuring the amount of air that comes into the engine.
When the sensor is damaged or faulty, there is a noticeable increase in the car’s emissions and car stalling. This is best repaired with the proper tools and parts to ensure the vehicle is not damaged in any way.
Professional Diagnosis And Repairs Are Recommended
In many cases, the cause of the blinking engine light can be a simple repair that can be done by any skilled mechanic. However, when it comes to Mercedes Benz, this becomes a bit of an issue. There are too many pieces of technology that are incorporated in the building of a car that without the proper skills and equipment it is next to impossible to diagnose the problems correctly.
Don’t take the risk, bring your car to a trusted Mercedes expert for a full car check to determine the true cause of the engine light turning on and to get any issues fixed professionally and immediately.
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