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I have a 2018 GLC 300 with AMG Line package. My dealership service advisor told me they couldn't do a tire rotation under my pre-paid maintenance plan because of the staggered wheels. I thought that was odd since all tires are all 255/45R20. Are the wheels in-fact staggered or are they the same width and offset? He was pushing new tires really hard but the tires seem like they would still be good for another 7-9k miles with a tire rotation as the back had a little more tread than the front.
The AMG versions with 20's are staggered (and equipped with all seasons!) so they were probably confused.
Do yourself a favor and get a set of new non-runflat all season tires (and a can of flat repair goo) sooner rather than later - really improves the ride!
Are the offsets different on the front and rear wheels? If so, the wheels need to stay on the same end of the car.
That would mean you could rotate left to right only.
HOWEVER, if you have directional tires, they would have to stay on the same side of the car.
So if you have different offsets on your wheels, AND you have directional tires, the only way to rotate would be to dismount the tires, reverse on the rims and rotate left to right.
2016 GLC 250d AMG pack, 2017 GLC Coupe 250d AMG pack , 2002 BMW 330Ci convertible, 2021 BMX X1 sD20i
If the tyres are the same size, then rim sizes should be the same and you can rotate front to rear and rear to front.
Check however if aluminium rim sizes are the same, markings are on inside of rim. If rims on rear are wider then you cannot rotate.
If rims are different then your tyres must be different ratios, If not you have a possible safety issue with thinner (width) tyres on rear that could roll off or break contact with rim bead and deflate.
Go to a TYRE shop, something is wrong, and the MB Dealer should have explained a lot better.
In Australia AMG wagon has same size rim and tyres all round. The AMG Coupe however has staggered rims with wider tyres on rear with different TYRE profile, all 20
’ but different ratios.
Last edited by Teckno; Apr 22, 2021 at 08:25 AM.
Reason: Add more
If the tyres are the same size, then rim sizes should be the same and you can rotate front to rear and rear to front.
Check however if aluminium rim sizes are the same, markings are on inside of rim. If rims on rear are wider then you cannot rotate.
If rims are different then your tyres must be different ratios, If not you have a possible safety issue with thinner (width) tyres on rear that could roll off or break contact with rim bead and deflate.
Go to a TYRE shop, something is wrong, and the MB Dealer should have explained a lot better.
In Australia AMG wagon has same size rim and tyres all round. The AMG Coupe however has staggered rims with wider tyres on rear with different TYRE profile, all 20
’ but different ratios.
You are correct about rim widths and ability to rotate tires front to rear. And that different rim widths will probably need different aspect ratio tires for safety and handling.
In addition to rim width, however, is the offset. Many AMG wheels have the same rim width but different offsets, which also eliminate the ability to rotate front to rear.
The AMG versions with 20's are staggered (and equipped with all seasons!) so they were probably confused.
Do yourself a favor and get a set of new non-runflat all season tires (and a can of flat repair goo) sooner rather than later - really improves the ride!
Forget the "can of flat repair goo" and get a real spare tire like Mercedes-Benz should have included in the first place.
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