In order to do what you are asking, you will have completely skip using any of the factory wires for the original head unit. This signal is sent to the Engine Control Unit which analyzes the pedal position and several other sensor inputs which then sends the signal to the throttle body to open and close the throttle valve.Click to expand.The answer is yes with large *****asterisks. Instead, there is a potentiometer that detects the position of the gas pedal. Which means you press the gas pedal but there is no cable connected directly to the throttle valve. Since 2000 Mercedes has been using drive by wire system. In older cars, when you pressed the gas pedal a cable was connected directly to the throttle valve which opened and closed the throttle valve. List of companies that offer Mercedes Throttle Body Repair (eBay link). These units end up being as good as new and in some cases, these companies provide a lifetime warranty for the part they repair. There are companies such as BBA Reman that will test and repair your existing unit. You will need to remove the throttle body from your engine and ship it out to companies that repair these units. An alternative solution is to use a third party that will refurbish your throttle body. If your throttle body is defective, you may not be able to repair it yourself. Or you can replace the throttle position sensor yourself to save money.Ĭheck Price: Mercedes Throttle Position Sensor Mercedes-Benz dealerships would be happy to help you or any Indepdement mechanic. Your options are to replace it with a new throttle position sensor.
2002 mercedes c230 kompressor problems code#
In most cases, you will get code P0120 or P012x. If you determine the throttle position sensor has failed on your Mercedes-Benz you will need to address this problem right away. Watch this very informative video on the function of throttle position sensor.
For this, you will need an advanced Mercedes scanner. If not you need to diagnose throttle position sensor, throttle body. Don’t worry you can’t cause any damage with this reset. It also resets the transmission shift points to factory settings. This allows resetting the High and Low points of the gas pedal. Wait a minute before you restart your Mercedes.
Here is a close up picture of a Mercedes throttle body. When there are throttle body malfunctions the wrong amount of air enters into the engine causing problems with air/fuel mixture ratio. The throttle body is where the throttle valve is mounted and is what control the amount of air that enters the combustion chamber. In ost cases, the issue is caused by either a defective pedal position sensor or a bad throttle position sensor. Turn off the engine and restarting it usually fix the problem. If you press the gas pedal to the floor or try to accelerate quickly or floor it, the engine stops responding, RPMs drop and it may even go into limp mode.
Symptoms of defective Mercedes throttle body or throttle position sensor include:Ī common problem that you may notice is that the car drives fine under normal acceleration. Mercedes-Benz throttle body or throttle position sensor found on C-Class, E-Class, S-Class, CLK-Class, SLK-Class may fail causing idle issues, no idle or poor acceleration.
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