Ignition Coil Replacement Procedure
I own a 1995 C220 and need to replace the ignition coils. What is the procedure? I don't want to have to remove the intake manifold and I can't see a simple way to do it without a lot of pain. Does this need to be accessed from below? I can't see how to pull the coils out after the bolts securing them to the manifold are removed.
Not sure how to do that, but when I had to do work on my Mercedes I used a Chilton manual. It took me through everything and was definitely worth the money.
posting from 2007 - if you need this answer still: Other than the bolts, most ignition coils are also pressure mounted. No need to take out the entire manifold! take off the the air intake tubing (the black plastic long tube coming from the air filter) just to have some room to work with, they should come out from the top. There are two coils, and each has two connectors totaling 4 connections for the four spark lines. Because these should be pressure mounted, just try to pull on them lightly. If you will replace, just by looking at the new coils, you should be able to figure out how they are mounted. I will need to replace mines as the engine is turning off on me. I also have a 95' c220 and have done everything on it you can think of and have the expensive book from the dealer, it cost me almost $100. e-mail me if you need more info on anything else, i'll scan and e-mail you what ever you need and can answer most of your questions.
Hi , I also happened to have a C220 1996 model, and I hope the ignition coils for the 96 are the same for the 95 in term of location and replacement procedures. I had the spark plug replaced few months ago by a local Benz mechanic, and he mentioned also at the time that he replaced one of the coils. The car now turns of on me specially when I stop at a stop light while ac is running. Should I replace both coils? not sure which one he replaced. Honestly, I don't trust him since an episode that took place a couple of weeks ago, when he was supposed to take care of the "Service engine" light, and after a tab of $560, where he said that he had to replace the oxygen sensor, the service engine light stopped to turn on. As it turned out , when I took the car to the smog check, he told me that the bulb was removed (service engine bulb that is). ..after going back to the mechanic, and faced him with the crooked way he treated me, his excuse was that he as waiting for the computer to recalibrate the oxygen reading..go figure.. I honestly lost faith in mechanics, and took it upon myself to fix whatever I can and learn how to do that ..I appreciate it also if you scan some of the pages from the repair manual you have (my email is email@example.com.Thanks a lot!
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