I have a 2010 C300 4matic and for some reason I can't find new/good front replacesment calipers... Any recommendations?


Thanks for your posts!!

Is there something wrong with your calipers? Or do you just want different ones, if it's the second thing, you'd be better off doing a $30 paint job.

And unless you need to save $$ on the replacements, the safest, guaranteed fitment, best ones would be the OEM straight from dealer or OEM's from someone here selling them/parting out there cars.

Unfortunately, the former... I bought a used 2010 with 100k miles... Had to get new rotors and pads but when they were trying to get the calipers back in, they got stuck and after a few times they were able to get it down... but now i hear this grinding sound coming from the front and my gas mileage is about 10-15 mpg combined.... I think its because the brakes are constantly engaging...

Anyone selling used or new calipers that's not too expensive? lol

I think you should try some spacers if your calipers are rubbing your rims. The calipers on the w204 are pretty close to the rims.

check for threads where people are parting out their cars.

The pistons in the calipers is what's rubbing

Dang.. sorry I couldn't help. Keep searching around, maybe craigslist, the forums, ect.

Worst comes to worst you'll have to go to dealer.

Your issue may be resolved by simply removing the caliper and re-seating the pads.
The pistons do not rub on anything. They push on the inboard pad to provide the stopping friction. You say your MPG has gone way down, so it does sound like the brakes are being constantly applied, but that shouldn't be causing a grinding noise.
Also, is the noise only coming from one side, i.e. you worst case you wouldn't need to replace both calipers?