Advice needed - uneven tire wear
05-03-2014, 09:29 PM
#1
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E55K
Advice needed - uneven tire wear
I normally drive the car in Sport1 (sometimes Sport2), and I know this causes some negative camber.
Attached pictures are of the front tires; the insides are very worn.
Is the negative camber so aggressive that it causes such uneven tire wear? The inside of my tire is gone. Is it worth having the tires unmounted and rotated? Swapping the fronts. Or should I just buy new tires?
Attached pictures are of the front tires; the insides are very worn.
Is the negative camber so aggressive that it causes such uneven tire wear? The inside of my tire is gone. Is it worth having the tires unmounted and rotated? Swapping the fronts. Or should I just buy new tires?
Last edited by jaxn5; 05-03-2014 at 09:33 PM.
05-03-2014, 10:28 PM
#2
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very common on these cars, my last set lasted me 18k miles (which is FOREVER to some guys) - went with Michelins this time to get a little back on the next round 
05-03-2014, 10:48 PM
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07 E63 + 07 CLK63CAB
First pic looks like the wearbars are close to the tread depth, second pic shows a whack of lead on the rim, like 2 1/4 ounces, IMO its time to replace, if you ever get caught in a downpour, hydroplaning would be expected. Not a good idea to cheap out on brakes or tires.
05-04-2014, 07:40 AM
#5
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Inspect all of your suspension bushings, ball joints, and tie rods. If there are any failing items then replace them. Install new tires, and have an alignment performed on the vehicle.
05-04-2014, 11:25 AM
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'04 E55 (Gone but not forgotten), '13 C63 P31 (RIP), another '13 C63 PP
I just picked up a new set of Pilot Sport AS/3s, and I noticed they have a 45k mile warranty. Have you had any luck with getting a new set that way?
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05-04-2014, 11:43 AM
#8
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Michelin cuts the warranty in half if you have staggered sizes, so it's actually 22.5K om the AS3. You likely won't have any trouble reaching that mileage.
05-04-2014, 11:54 AM
#9
1. all german rear wheel drive cars have uneven tire wear due to factory alignment settings. Even the most basic 3 series has this problem
2. The torque from our cars cause a squatting issue in the rear where the suspension will compress under full throttle so hard launches do contribute to this as well.
3. Get an alignment and try to get the crash bolts for the front which can help with up 1 degree
4. Drive around in sport II mode and i believe comfort mode.
Hard Launches will cause bad tire wear in the rear. I hardly launch my car and ive gone about 20K miles on my Hankooks
2. The torque from our cars cause a squatting issue in the rear where the suspension will compress under full throttle so hard launches do contribute to this as well.
3. Get an alignment and try to get the crash bolts for the front which can help with up 1 degree
4. Drive around in sport II mode and i believe comfort mode.
Hard Launches will cause bad tire wear in the rear. I hardly launch my car and ive gone about 20K miles on my Hankooks
05-04-2014, 01:47 PM
#10
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they pro-rate the warranty - so in my case with 18k miles, I'd get about 20% back - better than nothing
plus Michellin has some nice towing/roadside assistance for free
05-04-2014, 02:19 PM
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Thanks for the helpful repsonses guys!
The rears show some uneven wear but looks normal for negative camber. No where near as bad as the front.
I'll get the suspension checked, replace the tires and get an alignment.
Fronts at 37-38 psi.
The rears show some uneven wear but looks normal for negative camber. No where near as bad as the front.
I'll get the suspension checked, replace the tires and get an alignment.
Fronts at 37-38 psi.
05-05-2014, 05:59 PM
#14
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you won't get a new set, since our wheels are staggered setup you can't rotate so they 1/2 the warranty - so your 45k is actually 22.5k
they pro-rate the warranty - so in my case with 18k miles, I'd get about 20% back - better than nothing
plus Michellin has some nice towing/roadside assistance for free
they pro-rate the warranty - so in my case with 18k miles, I'd get about 20% back - better than nothing
plus Michellin has some nice towing/roadside assistance for free
if i get some $$ back may need to stick with the PSS
02-20-2018, 08:57 AM
#17
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I normally drive the car in Sport1 (sometimes Sport2), and I know this causes some negative camber.
Attached pictures are of the front tires; the insides are very worn.
Is the negative camber so aggressive that it causes such uneven tire wear? The inside of my tire is gone. Is it worth having the tires unmounted and rotated? Swapping the fronts. Or should I just buy new tires?
Attached pictures are of the front tires; the insides are very worn.
Is the negative camber so aggressive that it causes such uneven tire wear? The inside of my tire is gone. Is it worth having the tires unmounted and rotated? Swapping the fronts. Or should I just buy new tires?
So that has nothing to do with your uneven tire wear, due to negative or positive camber.
02-20-2018, 10:58 AM
#19
MBWorld Fanatic!
I ask this same question years ago in the AMG Private Lounge, and was told the same thing, it's stiffness not ride height.
02-20-2018, 11:15 AM
#20
Ask again if you don’t mind because I researched this a few years ago and there are dozens of articles out there disputing that. You aren’t noticing it because it adjusts when the car starts moving and it adjusts to different levels based on what setting you are in.
Plus simply think about our airmatic’s and springs themselves. I also have a 07 but a CLS550. The airbag doesn’t have a way to stiffen. Are you suggesting that the compressor loads up more air but keeps ride height consistent?
What makes sense is that the airbag drops 15mm and this stiffens the springs as they compress. Right?
Please ask as I am totally curious to hear a technical reason on how it would work otherwise. Thanks!
Plus simply think about our airmatic’s and springs themselves. I also have a 07 but a CLS550. The airbag doesn’t have a way to stiffen. Are you suggesting that the compressor loads up more air but keeps ride height consistent?
What makes sense is that the airbag drops 15mm and this stiffens the springs as they compress. Right?
Please ask as I am totally curious to hear a technical reason on how it would work otherwise. Thanks!
02-20-2018, 12:27 PM
#21
MBWorld Fanatic!
Ask again if you don’t mind because I researched this a few years ago and there are dozens of articles out there disputing that. You aren’t noticing it because it adjusts when the car starts moving and it adjusts to different levels based on what setting you are in.
Plus simply think about our airmatic’s and springs themselves. I also have a 07 but a CLS550. The airbag doesn’t have a way to stiffen. Are you suggesting that the compressor loads up more air but keeps ride height consistent?
What makes sense is that the airbag drops 15mm and this stiffens the springs as they compress. Right?
Please ask as I am totally curious to hear a technical reason on how it would work otherwise. Thanks!
Plus simply think about our airmatic’s and springs themselves. I also have a 07 but a CLS550. The airbag doesn’t have a way to stiffen. Are you suggesting that the compressor loads up more air but keeps ride height consistent?
What makes sense is that the airbag drops 15mm and this stiffens the springs as they compress. Right?
Please ask as I am totally curious to hear a technical reason on how it would work otherwise. Thanks!
02-20-2018, 12:59 PM
#22
MBWorld Fanatic!
My understanding is that the car does lower itself at speeds above 68 mph, for aerodynamic reasons in the various dampening settings.
02-20-2018, 01:38 PM
#23
Even in Comfort mode this is true but it will lower before that if in the sports modes. Great that we have a member here checking with a certified tech to validate.
No reason not to install the front camber bolts regardless for only $50.
No reason not to install the front camber bolts regardless for only $50.
02-20-2018, 01:56 PM
#24
MBWorld Fanatic!
But I was at the shop on Friday, changing my oil and doing a complete brake job and I didn't notice any significant wear on the tires. And I running a 245/35-19 (F) and a 275/30-19 (R)
02-20-2018, 02:32 PM
#25
I got 17k miles out of a set of Pilot Super Sports. Tread was nice across but inner edge burned up and split. Should have got 25k out of those. Cost me $600 to replace.
I am not lowered at all but run in Sport 2 all the time.
I am not lowered at all but run in Sport 2 all the time.
