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I have an SAE tool set in front of me, tried it for my 2005 c230k, when I lifted the engine cover, i saw these star like screws.It doesn't fit. I should get what's called a metric set correct? They're screwed on pretty tight, should I get a long bar ratchet or something like that for the leverage? I don't feel like spending a lot of money on power tools. There's a video of a guy that changed his spark plugs on his w203 here:
You need an external Torx set. You may get away with using a hex socket if the torque required is very low, but anything more and you will round the bolt heads.
If you plan on keeping your car, this tool set is absolutely needed. 70% of the fasteners on the car use these bits, especially around the engine.
Last edited by slammer111; Aug 12, 2020 at 06:47 PM.
Thanks y'all, last night got myself e torx pack, set of 11. I read on that thread you needed an e8, so I bought the best set, best price that includes the e8. Will be waiting for it tomorrow.
Ok, got the torx set, ratchet, unscrewed it, but I found out the new one is not as long as the old one. Will it still work? I have not installed it yet. Have a look at the pic:
Definitely do not fit shorter ones. They are a certain length for a reason. If you were to take off your cylinder head the tip of the plug would just be showing. The shorter ones would be recessed so slowly damaging the exposed threads in the head.
Yea, I read through that thread through and through. Some folks go different types than the stock. Some swear by stock only. When I went on amazon, I typed my type of car, and then the ones I bought showed up. So I bought those. But looking at it now, i say f** it, not gonna put that in my car. I just bought the exact model number as what was in my mercedes, the bosh fr6mpp332. The one on amazon says double platinum, so that's considered great I'm thinkng.
I just changed the spark plugs, now the car won't start. What do you all think can be the problem? It has to be the spark plugs because it worked before. Is it not tight enough? Wires not tight enough?
Dealer plugs.
Visual inspection and offset vacuum before pulling old. (There was a stink bug in my 4th cylinder!) Tiny never seize on new threads. Install, compress washer, torque. Replace coil pack until firmly down, rebolt. Fire it up.
Ok, you won't believe it, but it was so simple. The battery was dead. Right after I changed the spark plugs, there you go. It starts now, but it still has the same problem. When I am stopped, whether at a light or just need to stop, the car is really shaky, wants to jump forward. Same thing with reverse, it is really shaky, wants to jump backwards. I ordered some new coils. I read your thread here, and the description sounds exactly like mines:
Dealer plugs.
Visual inspection and offset vacuum before pulling old. (There was a stink bug in my 4th cylinder!) Tiny never seize on new threads. Install, compress washer, torque. Replace coil pack until firmly down, rebolt. Fire it up.
Yup, got mine original Bosh, same part number. Got it on amazon. Same length etc, the works.
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