GLC Class (X253) Produced 2016-2022

GLC 300 Wheels and Tires

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Old Oct 1, 2021 | 02:11 AM
  #1  
FabioDC's Avatar
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From: Victoria BC
C300, GLC300
GLC 300 Wheels and Tires

Hey there everyone. I'm quite new here and I have only posted once before. But I'm in need of your assistance. I'm hoping to capitalize on many of your knowledge.

I recently purchased a brand new 2021 GLC 300 with night pack, it came on the standard Night Pack 19" wheels which I feel look a bit small. I would have prefered the optional 20" wheels but they are quite scarse right now.

I have found a set a very lightly used GLE wheels and tires locally. Fronts are 275/45/R21 and rears are 315/40/R21
Based off of what I have read others post I am conflicted. The fronts are only 10mm wider than the standard GLC63 tires but the rears are significantly wider and about an inch larger in overall tire diameter.

Do you think I could have them fit without rubbing?

Thanks in advance!
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Old Oct 1, 2021 | 07:44 PM
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2020 GLC 300 4Matic OffRoad
Not a good idea, even they fit, but I doubt it.

The reason is the width of the tire is too much wider than original one. Such wide tire would need higher engine horsepower.

Check the tire size website, it has tire size calculator that can tell if the rim would fit.

Last edited by abacnus; Oct 2, 2021 at 05:49 AM.
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Old Oct 3, 2021 | 01:12 AM
  #3  
FabioDC's Avatar
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C300, GLC300
Originally Posted by abacnus
Not a good idea, even they fit, but I doubt it.

The reason is the width of the tire is too much wider than original one. Such wide tire would need higher engine horsepower.

Check the tire size website, it has tire size calculator that can tell if the rim would fit.
Thanks for that pal. I appreciate the guidance. I was certainly leaning towards making the purchase as they were a great deal. But I've reconsidered. I'll wait until I can find a set of 20's instead.
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Old Nov 7, 2021 | 02:33 AM
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From: Melbourne, Australia
2016 GLC 250d AMG pack, 2017 GLC Coupe 250d AMG pack , 2002 BMW 330Ci convertible, 2021 BMX X1 sD20i
Here are some wheel alignment settings, for a 2017 GLC, diesel in Australia, so for RHD setup.

Hope this helps


20” rims, RHD, 2017 model with air suspension, 4Matic
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Old Nov 26, 2021 | 07:05 AM
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2019 E53 Cabrio, Lunar Blue. 2020 GLC 300
Find a used staggered set of 20’s that are OEM on a GLC AMG. My wife’s GLC is a 300 but has the AMG Package. They look great.
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Old Mar 31, 2025 | 03:02 PM
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[QUOTE=abacnus;8428839]Not a good idea, even they fit, but I doubt it.

The reason is the width of the tire is too much wider than original one. Such wide tire would need higher engine horsepower.

Check the tire size website, it has tire size calculator that can tell if ...
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