good kit for better alignment for front tires
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Joined: Mar 2008
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From: Bay Area, CA
2009 C63 AMG
KMAC is supposed to be the best, but it is pricey.....you could always try the OEM bolt kit first and see if that works (lot cheaper)...even Renntech's stuff is cheaper than KMAC (that is saying a lot since RENNTECH **** is $$$$$)
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Joined: Oct 2007
Posts: 2,306
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From: Texas
10 C six trizzle
well for starters it's a c63 it is going to eat tires. Even stock they run around -2 degrees of camber. Naturally any performance / sports car will wear tires slightly more on the inside. However by the time the inside is bald the rest of the tire should be at the wear bars meaning it needs replaced anyways. Unless you're trying to slam it on bags or hella flush b.s. the factory bolt kits will be fine. The key to good tire wear is a good alignment with good tires. Either without the other is useless. There is a reason the factory recommends particular tires. Note these do not include yokohama,falken,firestone,bfg etc... These tires cant hold up to the weight or suspension geometry.
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2012 C63;1971 280SE 3.5(Sold);2023 EQS 450 SUV 4 Matic (Wife's)
Renntech is $1250 for the front axle alone. http://www.renntechmercedes.com/www/node/414
The Renntech tool alone for the rear bushings is $200. http://www.renntechmercedes.com/www/node/1180
I could not find a rear camber kit listed by Renntech.
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Joined: Sep 2010
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From: Texas
2011 P31 C63 2015 CLA45
Glad I checked in after being gone for a while. I might need something from this thread. I'm starting to get vehicle instability after 65+mph in the rain. Car is starting to wobble when I go through water. I'm due for 3rd year service later in the month. Hoping my bearings and such or fine and if not hopefully it's under warranty lol.
MBWorld Fanatic!
Joined: Feb 2010
Posts: 5,651
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2012 C63;1971 280SE 3.5(Sold);2023 EQS 450 SUV 4 Matic (Wife's)
Glad I checked in after being gone for a while. I might need something from this thread. I'm starting to get vehicle instability after 65+mph in the rain. Car is starting to wobble when I go through water. I'm due for 3rd year service later in the month. Hoping my bearings and such or fine and if not hopefully it's under warranty lol.
Good idea to check the condition of your tires.
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Thread Starter
Super Member
Joined: Nov 2007
Posts: 795
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From: Lone Star State
06 CTT-S
what about the kit that the dealership recommends? i can't recall the exact amount (in the invoice) but its less than $300 installed. i just got the car back and the SA recommended that all 4 tires needs to be replaced.
front tires (hankook) 'original' tires from when i got the car some 11k miles back (CPO)
rear tires (michelin pilot ss) had about 7k miles on them
front tires had the inside very very worn hence dealer said i would need the kit to correct this
rears were mostly even 'wear' on them so those were ok - i'm also going to claim for the 30k warranty from michelin (wish me luck on this)
anyways, car is wobbly as khmergod have described. i thought something is wrong with the suspension - by they way, the car is lowered with KW v3 coil overs - but it seems the worn tires are the culprit.
front tires (hankook) 'original' tires from when i got the car some 11k miles back (CPO)
rear tires (michelin pilot ss) had about 7k miles on them
front tires had the inside very very worn hence dealer said i would need the kit to correct this
rears were mostly even 'wear' on them so those were ok - i'm also going to claim for the 30k warranty from michelin (wish me luck on this)
anyways, car is wobbly as khmergod have described. i thought something is wrong with the suspension - by they way, the car is lowered with KW v3 coil overs - but it seems the worn tires are the culprit.
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Thread Starter
Super Member
Joined: Nov 2007
Posts: 795
Likes: 0
From: Lone Star State
06 CTT-S
OT: my service advisor at MB SL (Derek Hightower) is no longer there.. the new SA assigned to me is a complete tool.. looking for a new dealership to go to.. would probably check out MB North
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Joined: Apr 2013
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Mercedes-Benz CLK 550
Good kit for better alignment for front tires
Ex-factory there is only front and rear Toe adjustment for virtually all Mercedes 1968 to current models (and same with Chrysler Crossfire and 300C etc).
We saw the need and were the very first company to manufacture precisely adjustable front Camber and Caster bushing kits with twice the adjustment range of the basic one setting offset bolts.
Then for the rear, K-MAC Camber adjuster kits, which have the advantage (unlike upper adjustable arms/DIY kits) of not moving the top of the tire outwards when adjusting to resolve premature inner edge wear - which is an important factor to prevent tires scuffing outer fenders if wide profile tires/rims fitted.
Another advantage with K-MAC rear kits - unlike spherical bearings used in these upper arm kits, there is no harsh metal to metal contact and 20 years of the proven design - there’s certainly no squeaks.
Also all K-MAC rear Camber adjusters include extra Toe adjustment which is essential to compensate accurately for the new Camber facility!
The K-MAC patented design front kits replace the 4 main suspension bushes - the unique 2 axis/self aligning design also doubles the load bearing area thereby increasing wear life and also steering and braking response.
Similar design is used for the 4 main rear K-MAC bushings.
Result is precise single wrench front and rear (ongoing) adjustment to return vehicle to factory specs to improve traction, compensate for steering pull, costly inner edge tire wear through altering height, fitting wide profile tires, load carrying, curb-knock damage and/or the advantage of being able to alter specs, improve lap times on track days and with genuine K-MAC you also do not need to purchase special fitting tools.
Product confidence with K-MAC is further assured by our total, ongoing commitment to motor racing – all out 10/10ths competition testing keeps K-MAC products always at the forefront re cutting edge technology, proven strength and durability.
We saw the need and were the very first company to manufacture precisely adjustable front Camber and Caster bushing kits with twice the adjustment range of the basic one setting offset bolts.
Then for the rear, K-MAC Camber adjuster kits, which have the advantage (unlike upper adjustable arms/DIY kits) of not moving the top of the tire outwards when adjusting to resolve premature inner edge wear - which is an important factor to prevent tires scuffing outer fenders if wide profile tires/rims fitted.
Another advantage with K-MAC rear kits - unlike spherical bearings used in these upper arm kits, there is no harsh metal to metal contact and 20 years of the proven design - there’s certainly no squeaks.
Also all K-MAC rear Camber adjusters include extra Toe adjustment which is essential to compensate accurately for the new Camber facility!
The K-MAC patented design front kits replace the 4 main suspension bushes - the unique 2 axis/self aligning design also doubles the load bearing area thereby increasing wear life and also steering and braking response.
Similar design is used for the 4 main rear K-MAC bushings.
Result is precise single wrench front and rear (ongoing) adjustment to return vehicle to factory specs to improve traction, compensate for steering pull, costly inner edge tire wear through altering height, fitting wide profile tires, load carrying, curb-knock damage and/or the advantage of being able to alter specs, improve lap times on track days and with genuine K-MAC you also do not need to purchase special fitting tools.
Product confidence with K-MAC is further assured by our total, ongoing commitment to motor racing – all out 10/10ths competition testing keeps K-MAC products always at the forefront re cutting edge technology, proven strength and durability.
Thread Starter
Super Member
Joined: Nov 2007
Posts: 795
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From: Lone Star State
06 CTT-S
what tire do you use?
are you using michelin pilot ss? they have a 30k warranty have you tried to call them? at least get something back? i'll go to discount tire this saturday where i purchased mine some 8 months back and see what michelin says.
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Joined: Sep 2013
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From: U.S.A
2017 Dodge Viper GTC, 2014 C63 AMG (gone), 2014 GL450
"6 Years / 30,000 Miles - Half mileage for rear if different size than front"
I think most people know this already, but just wanted to give a heads up just in case.
MBWorld Fanatic!
Joined: Sep 2010
Posts: 2,290
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From: Texas
2011 P31 C63 2015 CLA45
MBWorld Fanatic!
Joined: Oct 2007
Posts: 2,306
Likes: 381
From: Texas
10 C six trizzle
this is old news now and not important but technically they cant sell a cpo car with hankook tires as they are not factory/oem spec. As for the alignment - just bring it and tell them to give it as little negative camber as possible without compromising the way it drives. You dont just go slapping bolts in at random. You can always ask for a different sa, or speak to a manager and tell them what a tool they are haha.
