What does the throttle body do in a Mercedes?
The throttle body is where the throttle valve is mounted and is what control the amount of air that enters the combustion chamber. When there are throttle body malfunctions the wrong amount of air enters into the engine causing problems with air/fuel mixture ratio. Here is a close up picture of a Mercedes throttle body.
Is there a problem with the throttle sensor on a Mercedes?
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. Symptoms of defective Mercedes throttle body or throttle position sensor include:
What are the symptoms of a defective throttle possition sensor?
Symptoms of defective Mercedes throttle body or throttle position sensor include: A common problem that you may notice is that the car drives fine under normal acceleration. 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.
The throttle body is where the throttle valve is mounted and is what control the amount of air that enters the combustion chamber. When there are throttle body malfunctions the wrong amount of air enters into the engine causing problems with air/fuel mixture ratio. Here is a close up picture of a Mercedes throttle body.
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. Symptoms of defective Mercedes throttle body or throttle position sensor include:
Symptoms of defective Mercedes throttle body or throttle position sensor include: A common problem that you may notice is that the car drives fine under normal acceleration. 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.
How to keep your Mercedes SL Class running smooth?
Keep your fuel injectors clean and your engine running smooth by regularly replacing your fuel filter. Follow these instructions for a cleaner running engine. Use this tech article to replace your fuel reservoir. If you are experiencing erratic acceleration, it may be time to replace the fuel suction dampner.
How does the gas pedal work on a Mercedes?
Since 2000 Mercedes has been using drive by wire system. Which means you press the gas pedal but there is no cable connected directly to the throttle valve. Instead, there is a potentiometer that detects the position of the gas pedal.
How to replace the steering filter on a Mercedes SL Class?
Step by step instructions to replace your power steering filter. The steering responds though several bushings and struts. The center link is the first bushing set up past the steering box to examine if too much play is occurring. Learn how to replace the center link. Each front wheel has a drag link.
What kind of fuel injection does a Mercedes 450SL have?
As we progress on our journey through the 1975 Mercedes-Benz 450SL, it is important to look at the D-Jetronic or D-Jet fuel injection system. With these systems aging and parts needing to be replaced, it is a good time to look at the general function of this system and the various components.
What was the length of a 1980 Mercedes 450SL?
The 1980 Mercedes-Benz 450SL measures 70.50 inches in width, The 1980 Mercedes-Benz 450SL measures 182.30 inches in length, and has a wheelbase of 96.90 inches.
What should I replace in my Mercedes 450SL?
Now that the engine is known to truly run, it is time to fit the very old D-Jetronic system with new parts. Replaced were all rubber injection lines, fuel injectors, Mercedes Fuel damper and fuel pressure regulator. These parts are several critical components that must be functioning perfectly to deliver fuel properly.
What to do if your Mercedes 450SL is leaking?
If any hose feels excessively hard, has hairline cracks or is leaking in anyway, it is best to change out the line. Also look at the fuel injectors. There were five out of the eight that had been leaking when it was parked some severn years ago and they re-leaked when we got the car started.
Can a bad throttle position sensor cause spontaneous acceleration?
Your engine may start up but it will have little to no power and it causes it to shut off. On the other hand, it can also cause your car to have spontaneous accelerations even if you didn’t step on the gas. Unstable Engine Idle: Faulty position sensors can cause sporadic idle conditions due to fluctuating airflow.
Since 2000 Mercedes has been using drive by wire system. Which means you press the gas pedal but there is no cable connected directly to the throttle valve. Instead, there is a potentiometer that detects the position of the gas pedal.
What happens when you press the gas pedal to the floor?
A common problem that you may notice is that the car drives fine under normal acceleration. 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.
How to reset throttle response in Mercedes e300d?
Turn Key to “off” position (dont remove the key) and then release the gas pedal. than wait at least 2, if not 3 minutes, for the system to reset. Keep the faith ! OK… for my own benefit, i have to ask. Coming from a world of w123 and w124, i’m amazed at how slow my 1996 e300d is.
Is there a factory reset for throttle response?
The ‘throttle response reset’ is a bit of a misnomer. More correctly it’s a gearbox shift pattern reset. It will not help in your case, since it’s your TPS that’s is going bad and no amount of reset will cure it.
How to reset the throttle response in a Mercedes?
Turn Key to “off” position (dont remove the key) and then release the gas pedal. than wait at least 2, if not 3 minutes, for the system to reset. Keep the faith ! OK… for my own benefit, i have to ask.
What happens when you close the throttle on a car?
Slow engine return to idle: A failing TPS can report the minimum throttle position values incorrectly which can stop the engine entering idle mode when the throttle is closed. Normally when the throttle is closed the engine fuel injectors will be deactivated until a defined engine RPM speed is reached and the engine brought smoothly to idle speed.
Is there a cure for no throttle response?
Unfortunately the only cure is to replace the TPS. P0120 most of the time is Pedal Position Sensor. It is easy to come to the conclusion on diesels, since they don’t have throttle, but on gas engine you might want to verify that. mdanielson Your observation about NA 300d is coming from the fact that the engine is high revolution engine.
Is it OK to replace the throttle position sensor?
Part replaced and all is kind of ok apart from slowing down where the speedo shows between 5 and 15mph when the car is nearly stationary. When I eventually replaced my last MAF about 2 months ago, I did an OBD scan and the scanner picked up 4 misfires.
What to do if your throttle body is defective?
If your throttle body is defective, you may not be able to repair it yourself. An alternative solution is to use a third party that will refurbish your throttle body. You will need to remove the throttle body from your engine and ship it out to companies that repair these units.
Is there a code to replace the throttle possition sensor?
In most cases, you will get code P0120 or P012x. Your options are to replace it with a new throttle position sensor. Mercedes-Benz dealerships would be happy to help you or any Indepdement mechanic. Or you can replace the throttle position sensor yourself to save money.
If your throttle body is defective, you may not be able to repair it yourself. An alternative solution is to use a third party that will refurbish your throttle body. You will need to remove the throttle body from your engine and ship it out to companies that repair these units.
In most cases, you will get code P0120 or P012x. Your options are to replace it with a new throttle position sensor. Mercedes-Benz dealerships would be happy to help you or any Indepdement mechanic. Or you can replace the throttle position sensor yourself to save money.