C-Class (W204) 2008 - 2014: C180K, C200K, C230, C280, C300, C350, C200CDI, C220CDI, C320CDI

Tires

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Old Apr 11, 2015 | 07:00 PM
  #1  
kodpkd's Avatar
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c300, Maserati coupe
Tires

Just purchased a c-300 4matic. The front tires were worn out. The rears are only 1/2 gone. I replaced the front with new.. Is it a big deal if the fronts and back tires aren't the same, as it is a AWD?
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Old Apr 12, 2015 | 12:11 AM
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From: Ontario, Canada
2009 C63 AMG, 2010 C250 4Matic Sport
To be honest if I were you I'd replace the other 2 as well asap.

Different circumference tires (wear levels, tread, etc) between two different brands of tires is risky with AWD.

edit: and you may find the car handles like s*** with different tires on the front/rear
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Old Apr 12, 2015 | 12:17 AM
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From: 1 hours drive north of Sydney Australia
2007 W204 220CDI Classic Sedan
I would see how it drives . Money does not grow on trees.
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Old Apr 12, 2015 | 10:11 AM
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2014 e350
If they are all the same tire except for size, I don't see a problem. The differential already handles the difference in circumference between front and back acceptably. If the smallest difference in circumference was really a problem, it must be a terrible system.

Note: One bad tire needs to be replaced with new means you need to buy 4 new tires???? I don't think so. Only at the unscrupulous tire store or dealer trying to sell you unneeded tires.
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Old Apr 12, 2015 | 11:48 AM
  #5  
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15 S550 4Matic, 86 560SL
You only need to replace one axle at a time. It is unnecessary to replace the rears if they have sufficiency tread.
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Old Apr 15, 2015 | 04:06 PM
  #6  
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c300, Maserati coupe
Good info here. I used to think all 4 tires had to be the same size on a AWD.. But the c300 sport comes with different size tires, front to back, from the factory... Seems they know what they are talking about.
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Old Apr 16, 2015 | 03:57 PM
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2010 E550 4Matic, P1, P2
you don't have to do all 4 at the same time but if you can afford it I would get them all done now. You will notice a handling difference running different tires. Just my two cents
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Old Apr 17, 2015 | 10:42 PM
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G63
I didn't notice the original poster saying that he bought different brand. Therefore, simply replacing one axle (front) at once is not an issue.
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