Jabba6962

What is original spark plug in this car? If anybody have owners manual i think it reads there?

ndabunka

Not certain which plug it is but you should know that there are SIXTEEN of them (2 for each cylinder). Surprised me when I first learn it. Never had a car designed like that B4

King///AMG

Wow, I didn't know there were 16. But then again, I dunno lots of things about this car cuz its gone for 6 months outta the year

brianw430

There are many suppliers of OEM plugs. My mechanic has a collection of them in a drawer in his shop. I just had my car fully serviced and when he was replacing my plugs, he showed me mine, then the drawer full. All had the light blue OEM Mercedes emblem on them, and the manufacturers varied from NGK, Bosch and several others that escape me.

Co 55 AMG

So what is the best one?(16)lol.

MikeL

OEM is probably a Bosch one. I changed my plugs with NGK. Brabus chooses to use NGK plugs in all their motors, so I used the same ones as the Brabus cars.

Jabba6962

I change plugs (w208 clk 55) and i put Bosch F8 DPER platinum. Thats really difficult change the drivers side plugs, no space there.

Co 55 AMG

Thanks for the info.I'll check if there is a tool for the driver side.MB saying 100000 miles.But I feel 50000 a plug check is in order.I read a post by Brian430 were he had seen a CLK with 40+k and the tranny fliud looked like caramel.

ProjectC55

DENSO IRIDIUM'S

brianw430

Do those really make a difference you can feel? What are benefits? I've read the info on Evo's site, but I want to know driving impressions with them.

Thanks!

ProjectC55

I don't know ,I just hear that they are good and expensive plugs!So I bought them.To me a plug is a plug really!