The throttle bodies and throttle opening valves on the engines tend to build up oil and fine debris inside the opening over time, especially on the right side due to the breather hose being located there. If you allow the build up to grow it can result in blocking the valve partially open and restricting air flow to the engine.
Cleaning your throttle body is easy and does not involve you having to remove it from the motor. You will need to remove the engine covers red and yellow arrows and air intake ducts green arrows to perform this work. Please see our article on engine cover removal for additional assistance. Large Image Extra-Large Image. You next need to remove the MAF red arrow and vacuum line yellow arrow. Please see our article on MAF sensor replacement for additional information.
Disconnect the breather hose from the rear of the right cylinder head red arrow. Unclip the two plastic clips on the elbow piece between the MAF and throttle body red arrow and remove the elbow and attached hose. You now have some room to work. Depending on what hand you are better with spray a rag with carb cleaner and reach into the throttle body and clean the opening and valve red arrow.
The lower right side of the throttle body tends to build up more oil and dirt than the left due to the proximity of the breather hose red arrow. You can manually open the throttle valve while doing this to clean behind it. It is very difficult to see in the throttle body opening without using a mirror and more difficult to get a picture of so sorry for the slightly blurry photo.
If you do not have a small mirror just keep wiping until the rag comes out clean. After cleaning installation is the reverse of removal. Got more questions? Join us in our Technical Forum Message Board and ask a question to one of our many automotive experts.
Or, see what other questions readers have asked about this article All Search Everything. Need to buy parts for this project? Click here to order! Figure 1. Figure 2. Figure 3. Figure 4. Figure 5. Figure 6.
Throttle reset (Accelerator reset)
Actually, I can't open the valve to clean back side by finger easily. Just only clean up front side of throttle body at this moment.It is a step-by-step guide on how to clean Mercedes Benz throttle body by yourself. Cleaning your throttle body is a quick and easy way to improve the performance and mileage on your vehicle. You will need to remove the engine covers red and yellow arrows and air intake ducts green arrows to perform this work.
You next to need to remove the MAF red arrow and vacuum line yellow arroww. Unclip the two plastic clips on the elbow piece between the MAF and throttle body red arrow and remove the elbow and attached hose. You now have some room to work. Depending on what hand you are better with spray a rag with carb cleaner and reach into the throttle body and clean the opening and valve red arrow.
The lower right side of the throttle body tends to build up more oil and dirt than the left due to the proximity of the breather hose red arrow. You can manually open the throttle valve while doing this to clean behind it. It is very difficult to see in the throttle body opening without using a mirror and more difficult to get picture of so sorry for the slightly blurry photo.
If you do not have a small mirror just keep wiping until the rag comes out clean. After cleaning installation is the reverse of removal. Necessary cookies are absolutely essential for the website to function properly. This category only includes cookies that ensures basic functionalities and security features of the website. These cookies do not store any personal information. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies.
Mercedes-Benz C-Class (W203)
Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website.Gear change is aim at smoothness and fuel economy and thus will change up sooner. Recommended for slippery or snowy condition to prevent wheel spin.
Also if u want a leisurely drive. Recommended for normal city driving. S sport mode changes the ECU mapping for more aggressive driving style, like when you want to drive fast and attack corners at high speed. You'll need to stay at lower gears through the bend, so it will upshift slower and down shift faster. My personal preference is C mode as it is more relaxing.
But when i need to drive fast, i use the touchtronic manual shift to downshift or upshift whenever i want it. I feel that S mode is a bit too aggressive on the highway, and too jerky for city driving.
Probably good on track. For W, the S mode is actually standard mode maybe W onwards they change it to sports mode. I'm not sure.
Read in the owner's manual that it is supposed to be the default mode for driving for most situation. Regarding your point about jerky for city drivingyou may want to check your shifting quality from 1st gear to 2nd gear And beyond the 2nd gear the rest of the upshifts are much smoother right? I experienced it whenever I am in S mode and it disappeared when I am in C mode. Putting together the fact that C mode shifts from 2nd gear onwards and the jerk seem to be only from traffic light start off in the lower gears, I came to a conclusion that there is a problem with the gear shift.
Even my wife who is in the passenger seat can feel it commented that the jerk a little bit abnormal for a premium conti car. To cut long story short, it turned out that an update on the TCU solves the problem Even if i switch to S, when i turn off the engine. And turn back on, it goes back to C. When i mentioned jerk is the downshifting from It does make sense that for Blue Efficiency models, MB will force the car to be in default C mode as it is the most fuel efficient in line with the principle behind the model line if you drive it smoothly with gradual acceleration and deceleration.Forums Announcements What's New?
Meet the myMBonline. OR Remember Me? OldPM. Wow, does this mean you can hook up an iPod using this? I thought you needed the iPod kit? DancingBenzos is offline.
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Mercedes Benz Forum. So i just tried the window thing and couldn't get it to work and looked in the console for what I thought was the aux input and broke a piece of plastic in my console in the process Slick is offline.
C Sport Coup.Turska serija
There's a emergency button in the trunk for people to get out if they're trapped. It's green! We do have a trunk key hole! There's an MP3 auxiliary port hidden in the glove compartment! Yes, there's a vent you can open and close inside! Keep stuff cold, or hot! Tunnel setting. You can close all your windows while going through a tunnel and then open them with the touch of a button.
Try opening your driver side window half way and then open one of your other ones completely. Now hit the circulation button. All the windows will close. Press it again and it will return to how it was. Pretty cool! Open and close windows using the remote! Yes, it's built in. Lock the car, then press and hold the lock button again. The windows should close. Do it with the the unlock button and they should open. Took me about 4 tries before it worked. Dyno Mode! Throttle Reset 9.Kdoqi guidelines 2019
Vent system reset Recirculating Air flap reset I suppose you want me to post all the procedures now? C Sport Coup is offline. OldPM Thread Starter.
Send a message via ICQ to zoomie.It was the second iteration in the Mercedes-Benz C-Class line up. Design work on the W C-Class began in mid, with the final design being approved in December by the executive board. The second generation C-Class was unveiled on March 21,going on sale starting in September The sedan debuted with a range of inline-four and V6 petrol engines and inline-four and -five diesels.
The diesels now featured common rail direct fuel injection and variable geometry turbochargers.
Throttle Body Cleaning
Six-speed manual gearboxes were now standard for the entire range, except the C There was a version of this car that was made in Korea. The third body variant, a station wagon codenamed S arrived in Then in for the model year, a new family of supercharged four cylinder engines, dubbed Mdebuted for the entire C-Class range.
All of them used the same 1. Over 30 percent of total sales occurred in Germany, and over 20 percent in the United States. The C-Class W was refreshed in early In North America, the refresh took effect for the model year.
The interior styling was changed in all three body styles. The instrument cluster was revised to display four chrome gauges with multifunction display in the middle. Center console revision with new radio and climate control designs were also included.
A fully integrated iPod connection kit was available as was a better Bluetooth phone system made optional. For the North American market Cthe "sport" package was made standard which included AMG edition bumpers, side skirts, and a rear spoiler.
The exterior had changes of different wheel designs, grills and clear lens headlights. New more aggressive front, rear bumpers and side skirting were also installed.
Several all-new M and OM V6 engines were introduced later in the year. In North America, the changes took effect for the model year. The CCC replaced the C and Cthe new-generation six-cylinder engines developed substantially more power than the older versions, by as much as 24 percent, whilst also increasing fuel economy and reducing CO 2 emissions. The three-valve twin spark design was replaced by a four-valve design, now with variable valve timing.
On the diesel side, Mercedes-Benz released a brand-new 3.Throttle Body Cleaning on Mercedes C 200 k coupe , w203 c230 c180
In addition, these engines also received the new seven-speed 7G-Tronic automatic transmission. After the performance of the AMG models in the previous generation, Mercedes-Benz attempted to increase sales among high-end buyers by introducing two different AMG versions of the new model in The C 32 AMG scaled back down to a 3. This car was produced only in and the production numbers are unknown. The C 32 was mainly sold as a sedan. However, a limited run of C 32 station wagons were made for some markets.
Like the C 32, it was available in all three body styles, but this diesel model did not reach sales expectations and was retired in Discussion in ' Engine ' started by hellgrace5Jan 10, Messages: Hi This sounds like it might be a problem with the throttle body, assuming it is electronic as they are on the w onwards maybe w as well. It might be worth trying to reset the throttle body, I believe there is a procedure to do this, the one that works for my is: Turn on ignition ie all warning lights on but engine not running Push the accelerator to the floor and hold for 5 secs Turn off ignition but leave key in Wait 2 minutes If not it may be gunked up and cannot move the throttle butterfly- have a look at it and check.
Other options could be an air leak or another sensor fault although I suspect STAR would show a fault if it was a sensor.Python ssh bash
I've clean the throttle flap. Its not jammed and its clean. Theres no fault in Star so I assume its not a sensor fault. I'll try the reset procedure and update.
Hope it works. Is this a Kompressor model - I had a problem running with ours and it turned out that where the MAF had been changed they hadn't fitted the hoses properly so it was leaking air meaning it would hesitate and splutter sometimes and felt like it was running weak. Messages: 1, Split in air supply pipework?
Loose vacuum pipe? Its a normal c I've gone tru all vacuum pipes. No leak. Could a leaking vacuum pipe cause throttle no response at all?
Messages: 27, What age is the car? W or W?Kendo template attribute
These can have an electronic throttle so no throttle cable Something may have gone wrong with the physical link between the throttle pedal assembly and the electronic module? It could be the throttle position sensor. I would guess a STAR can give positional readings when you press the throttle? Its a W CAll Search Everything. We've gathered a vast collection of useful articles to help you perform many repairs and upgrades on your Mercedes-Benz.
Save money by doing your own work and perform the repairs using the information we've provided here.
Can't find what you're looking for? Try our Search Engine at the top of the page, or hop over to one of our Technical Bulletin Boards - focusing on repairs for all Mercedes-Benz! If you'd like to support the site and submit your own Technical Article, contact us here! Looking for a different Mercedes-Benz? Use this tech article to learn how to do the most common task to do on your C Whether you follow Mercedes recommended interval or like to change your oil every 3, miles.
Use this tech article to learn how to do the most common task on your C Applies to: CK New to working on your car? Not sure where the air filter is? Check out this simple article. Breathe clean air by changing your cabin air filters regularly.
Any work under the car is going to involve removing your under body trays. Figure out which goes where, and how with this article. Trouble passing a SMOG test? Replace your air pump. Drive belts need the right tension to work correctly. Make sure your cars belt is operating properly with a new belt tensioner.
Replace your crankshaft breather hoses with the help of this article. Mercedes valve cover breather gaskets have a nasty habit of leaking oil all over the top of your engine.
Fix the problem with the help of this article. Changing your spark plugs and coils are an important part of maintenance on your car. Air pump check valves can cause your car to fail a SMOG test. Change them out with the help of this article. Need a new oil level sender?
This article will walk you through the process.
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