Changed to Michelin Tires but experience a lot of vibration, have you?
I have 2008 GL450 and I have used Continental tires twice already, the ones that came with the car lasted only 18 months and the Continental I replaced after that lasted 14 months. Not so happy about the longevity of these Continental tires I was recommended to switch to Michelin tires. So I order them from Costco with the same specs as the originals (275/55R19 m+s 111h). They cost pretty much about the same but I have been experiencing a lot of vibration in the car specially in the steering wheel going over 60 MPH. At first I thought that Costco probably didn't do a good balacing of the tires, so I took it back to Costco and they have re-balanced them. It seems better now but still vibration which is not normal in my opinion and this is something that didn't happen with Continental tires. I talked to the Costco Tire Department manager and he claims that there is no way there can be a defect in the tires and that my rims might be having dents "but again this vibration problem didn't happen before switching to Michelin using the same exact rims, I explained".
Has anybody else experienced this issue? I have only 6 days left if I want to return them at Costco.




http://www.gsp9700.com/
Try to find a good shop in your area with this machine and balance it there. If it does not disappear - return them if you can. My tires don't have any issues from the time I used this machine.
Good Luck.




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You should buy your tires online from tirerack now on and get them road force balanced (200 dollars) at your Mercedes Benz dealer. I do this for all my cars. You are not saving much by wasting time going back to cheap tire stores to get a smoother ride by re-balancing them on those crap machines they have. They hardly do the task properly and never calibrate them routinely. They have no clue about road force balancing. There are alot of great independent auto places that have hunter road force machines. You might have 1 or 2 out of round tires (greater than 16 lbs of road force that will vibrate your SUV) no matter how well they are dynamically balanced. I get at least 1-2 defect tires out of every 8 tires I get for my car during change overs.
"Friends don't let friends buy Michelins"
Sorry to hear your troubles, but take it for what its worth.
Seriously: They did a **** poor balance job. As far as the raod force balance?
I put it right up there with a nitrogen fill, IMHO.
Just cause you pay more does NOT mean you get more.
Good luck, and I would return them and get a better cheaper tire, IMHO
Last edited by MRAMG1; Jun 19, 2012 at 08:16 PM.

And road force is absolutely, 100% essential for proper balance.
So, I took the car to the dealer and for $55 they fixed the problem by balancing the tires (all 4) with the right machine, Hunter ROADFORCE as recommended. They are not as smooth as continental but I have been noticing that they are going to have a longer live already.
I am also looking for tires and noticed the Pirelli Scorpion Verde on Tire Rack. The price is very attractive! I currently have the OEM Michelin Run-Flats on my 2011 GL450 which I hate with a passion. How is the road noise with the Pirellis? Are they fairly quiet? According to Tire Rack I don't have any other options for all weather tires in that size 275/50R20, only the Pirelli's. The other two offerings for SUVs are summer tires. I may give the Pirelli's a shot.










