I have a 2017 C250 Estate 4matic. I believe that the wheels for this application are Front-7.5J x 18 x et44 and Rear- 8.5J x 18 x et49. Can 8.5J x 18 x et 56 be fitted to rear? (I can get a deal on this size).
Wheel offset
- Thread starter MartynS6
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The ET56 wheels will be 7mm closer to the hub than the recommended ET49 rims.
They will probably fit, but if you find the wheel is too close to the hub/caliper/suspension strut, you may need to get some 10mm hubcentric spacers. Check also the bolt length is long enough if you use a spacer.
They will probably fit, but if you find the wheel is too close to the hub/caliper/suspension strut, you may need to get some 10mm hubcentric spacers. Check also the bolt length is long enough if you use a spacer.
magpiemalemerc
Active Member
how do you find out about the dimensions of the rim's ? if buying aftermarket ones off set etc
I am on 18's for my AMG 220 model 205
I am on 18's for my AMG 220 model 205
kid-jensen
MB Enthusiast
Google "wheel size calculator", all the details are on there, but obviously not whether they will fit or not...
magpiemalemerc
Active Member
but how do I find out the ET on my specific car ? I know my rear is 8.5 j and front 7.5 j
BaldGuy
MB Enthusiast
It says on the inside of the rim ETXX alongside the 8x18 or whatever
DaleGM
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I wouldn't go buying any rims that have an incorrect offset (ET number) stick with what was developed for the car especially on the front otherwise your steering scrub radius geometry will be out which will affect the steering feel and stability especially if the rims were wider than stock. Also as mentioned above the rear track with the ET56's would be narrower, not the best of things to do. Hope this helps.
