![]() ![]() While you won’t get an electric shock from them, the wires used in the system are very delicate and can easily be broken, which can set you back $100 to replace. When you remove the sensor, you must make sure to avoid touching the wires. This will require the use of a flat head screwdriver. ![]() To do this, you need to open your Mercedes’ air box. To properly clean your MAF sensor, you need to remove it. Doing both at once can save you a good deal of time and money. In general, it is recommended that you do this every 6 months or around the time you change out your engine oil. While repair and replacement when things go wrong is best left to the professionals, you can take charge of maintaining your MAF sensor by cleaning it. A faulty MAF sensor will usually generate a specific error code that a mechanic can read using diagnostic equipment, meaning getting to the root of the problem is usually far quicker and safer than poking around the engine at home. If you are not in the know when it comes to auto repair and are experiencing the issues listed above, then you should bring your car to a Mercedes specialist for proper diagnosis, servicing, replacement, or repair. engine runs excessively rich or excessively lean.noticeable engine hesitation or drag most keenly felt when idle or under loads.engine stalls often, most commonly shortly after starting.engine struggles to start correctly or to turn over.However, the most common symptoms are listed below: MAF sensor failure comes with similar symptoms to those of low compression or low vacuum problems as well as those which can be experienced with low fuel pressure or a faulty fuel pump, making it tricky to pin-point. Signs and Symptoms of a Faulty MAF Sensor It can then collate this data and pass it on to the onboard computer. It is able to provide the mass of air entering accurately by measuring how much energy is required to keep the hot wire at a steady 200F above the ambient temperature of the air. The MAF sensor relies on a microprocessor to help it to measure the air entering the engine. Modern vehicles use a hot wire sensor which entails the use of one hot wire and one ambient temperature wire. The MAF sensor is located between your Mercedes’ throttle body and air filter. ![]() When the MAF sensor fails, a range of issues can be experienced by your Mercedes, notably affecting the overall performance of your car. The ECU is then able to use this data to provide the engine with the correct amount of fuel needed to achieve the optimal air-to-fuel ratio needed for successful ignition. The Mass Air Flow sensor (or MAF sensor)in your Mercedes is responsible for determining the amount of air that enters your vehicle’s engine and then providing the onboard computer, or Engine Control Unit/ECU, with this data reading. Fixing Mass Airflow Sensor Failure in Your Mercedes ![]()
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