Tire wear




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I think you've got an alignment issue, possibly inflation setting issue as well. I'm assuming you're not running super soft summer-only tires here since they're the 20's.
We started with the Pirelli's that came with the 21's and got about 25k-ish until the rear's starting getting too close the wear bar for my comfort. But the front tires were fine for probably another 20k. I've never liked Pirelli, always a Michelin guy, so I switched over to the OM versions of those tires. We're approaching 50k on the car now soon, and I'd say they've probably got another 5k-8k on the rear before they get too close for comfort on the wear bar. But, the fronts are wearing faster than the Pirelli's were by a decent amount. It's always the rear tires on these cars that seem to wear the fastest. In fact, Michelin even called that fact out with their 50k warranty, footnoting that on a staggered tire setup, the rear warranty is only for ½ the mileage duration.
Might try Continentals next just because. Had them as OE on my current 2014 212 and they lasted a long long time. I switched over to Michelin's a year ago and it's a smoother and quieter ride, but not sure if they'll last quite as long as those original continentals.
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Last edited by marchgroupinc; Apr 16, 2022 at 09:50 AM. Reason: added info.




I don't know the history of MB camber bolt design changes over time. I think K-Mac is a sponsor on this site that offers a camber-related solution. It's either a camber bolt with more adjustment, or a new suspension link, or both. Not sure if K-Mac has developed a product for 167 yet.
Popular rear kit - as yes OEM negative Camber is excessive resulting in costly, premature inner edge tire wear.
Rear kit simply replaces the centre upper rear arms providing more then enough adjustment to resolve any Camber issues. P/N 504226-1N $695.
While Front kit "Camber and Caster" replaces the upper arm inner bushings P/N 504016-2K $480.
We manufacture Front and rear kits for all model SUV's (in fact every Mercedes Benz model incl. Sedans, Coupes, AMG and light commercials (1968 to 2021).
Hope this helps Kevin
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I just replaced the rear pair due to a nail that intruded the side wall and couldn't be patched. There was nothing wrong with the tread, and they probalby had another 10k in them. The fronts are looking fine for a good while yet, as well.




At 12,000 miles two of the Coopers on our 2020 GLS 450 were down to 2/32" and the other two were about 3/32". I replaced them with a set Michelin Primacy Touring 275/50 (20") tires with 8.5/32" tread depth. The Michelins now have 8,000 miles of wear and tread depth is 8/32" on two and 7/32" on the other two. I had them initially rotated at 7,000 miles. Extrapolating the wear rate, these tires should last at least 25,000 miles or more than double the terrible OEM Coopers. The Michelins are quiet and provide a very smooth ride with good traction in wet conditions.
At 12,000 miles two of the Coopers on our 2020 GLS 450 were down to 2/32" and the other two were about 3/32". I replaced them with a set Michelin Primacy Touring 275/50 (20") tires with 8.5/32" tread depth. The Michelins now have 8,000 miles of wear and tread depth is 8/32" on two and 7/32" on the other two. I had them initially rotated at 7,000 miles. Extrapolating the wear rate, these tires should last at least 25,000 miles or more than double the terrible OEM Coopers. The Michelins are quiet and provide a very smooth ride with good traction in wet conditions.
Last edited by TonyF61; Apr 13, 2023 at 08:28 AM. Reason: Opps - wrong forum..
MB chose their alignment and wheel/tire combination poorly. It’s a design defect by MB, one of many.






