Tires spec’d for GLC63 on GLC43?
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OP: Are these your OEM tire sizes?
255/40ZR21 102Y. 8.5Jx21 ET40
285/35ZR21 105Y 9.5Jx21 ET22
If that is the case, then you are limited by your RIM size.
Let's confirm that first. Standing by...
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How that affects the drivability and longevity of the tire, and how the cars react to it, is more of a case-by-case situation.
I found that 265/40/21 and 295/35/21 works with no rubbing. I purchased Continental EXTREME CONTACT DWS06 PLUS and am thrilled. 50k warranty, good ratings in snow, no crabbing, no rubbing, MUCH quieter and MUCH MUCH smoother ride. I admit that I don't track, I'm a fairly conservative driver and that I don't push the 43 the way many of you do but if you're looking for an A/S tire, I give these, and the size (up) a positive rating.
I found that 265/40/21 and 295/35/21 works with no rubbing. I purchased Continental EXTREME CONTACT DWS06 PLUS and am thrilled. 50k warranty, good ratings in snow, no crabbing, no rubbing, MUCH quieter and MUCH MUCH smoother ride. I admit that I don't track, I'm a fairly conservative driver and that I don't push the 43 the way many of you do but if you're looking for an A/S tire, I give these, and the size (up) a positive rating.




The REAL issue is the OEM wheel size of the GLC43 I believe may be too thin to run the GLC63 tires
I found that 265/40/21 and 295/35/21 works with no rubbing. I purchased Continental EXTREME CONTACT DWS06 PLUS and am thrilled. 50k warranty, good ratings in snow, no crabbing, no rubbing, MUCH quieter and MUCH MUCH smoother ride. I admit that I don't track, I'm a fairly conservative driver and that I don't push the 43 the way many of you do but if you're looking for an A/S tire, I give these, and the size (up) a positive rating.
Thanks for the feedback regarding the DWS06+
tires. Could you please let me know if you ever had any crabbing issues with them during colder weather? I know this thread is a few years old, so I am hoping that you had the tires for several years and that would give you good feedback. I currently have the Continental UHP summer tires on my GLC 43, and they are crabbing like crazy even in 70°F weather. Thanks much.





