I’m just search through this issue that I’m experiencing for a year or so but getting worse this winter. My GLC coupe 220d year 2018 July only 8000 miles, just wondering that if I want to complaint and get it fixed or change the knuckle for my car, where (any recommended channels) should I get a direct contact with to speed up the process. Could you please advise.
Tyre skipping when making a slow right turn
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Search Crabbing on this Forum - many threads of people with the same Fault
Your Dealer should supply and fit New Front Knuckle struts that correct the steering geometry and fix the Fault.
This fix is standard practice for MB dealers and takes approx half a day in the workshop.
Call your Dealer and I’m sure they will get your car booked in and fixed
Good luck
Your Dealer should supply and fit New Front Knuckle struts that correct the steering geometry and fix the Fault.
This fix is standard practice for MB dealers and takes approx half a day in the workshop.
Call your Dealer and I’m sure they will get your car booked in and fixed
Good luck
Correct - If the car is still in the 3 year warranty period, the Knuckle Fix should be supplied & fitted Free of Charge.
Our Dealer was excellent - it took 3 years for MB to admit there was a Fault, and our MB Dealer tried everything to get it resolved. Supplying under Warranty Winter Tyres, All Season Tyres and finally, right at the end of the 3 year warranty, replaced the Knuckles that fixed the steering geometry, eliminating the Crabbing & significantly reducing tyre wear.
The Dealer new it was a fault and how much pain it was causing customers, but they were stuck in the middle. They had to pass the MB UK message back to customers that it was just a Comfort Characteristic - which they new was total BS
You have to feel for AMG C43 & C63 owners, who 5 years on still have to live with the Fault - even on Brand New AMG models - Shocking!!
Our Dealer was excellent - it took 3 years for MB to admit there was a Fault, and our MB Dealer tried everything to get it resolved. Supplying under Warranty Winter Tyres, All Season Tyres and finally, right at the end of the 3 year warranty, replaced the Knuckles that fixed the steering geometry, eliminating the Crabbing & significantly reducing tyre wear.
The Dealer new it was a fault and how much pain it was causing customers, but they were stuck in the middle. They had to pass the MB UK message back to customers that it was just a Comfort Characteristic - which they new was total BS
You have to feel for AMG C43 & C63 owners, who 5 years on still have to live with the Fault - even on Brand New AMG models - Shocking!!
Hello there- apologies this is rather long but I’m currently fuming with this issue!! I had my knuckles replaced on my 68 plate 250 GLC in November 2019 and was assured this would fix the issue... guess what... it hasn’t! Recently took it in for a ‘health check’ as still under warranty (and a service plan!!) to be told I needed to replace the tyres with all season or winter tyres to rectify the issue. Not happy with this solution and the associated cost I was given the contact details for complaints so I wrote to Mercedes and got a response yesterday- it did not mention anything about the issue or the points I had raised in my email. ultimately I believe that it is MB’s responsibility to rectify the issue and if this means different tyres then they should supply them. The agent said they had been in touch with my local dealership (who suggested I contact MB!) to ask about supplying tyres but the dealership wouldn’t pay for them but maybe I could try the dealership where I bought the car to see if they would contribute and if I wasn’t happy to contact the motoring ombudsman. I’ve sent a reply asking for the points I’ve detailed to be responded to so I’ll keep you posted and if anyone has any joy whatsoever please, please let me know.
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511 Posts
At first MB offered free All-Season tyres to everybody still in warranty as a solution to the design fault. You had to demand it through your dealer. They then developed the revised steering knuckle and again the retrofit could be demanded via your dealer. As part of the job the car had to be set up on their Hunter Hawkeye alignment jig, a service that would cost about £100 outside of a warranty claim. I detailed the process and published my wheel alignment settings in my post here:
Steering knuckle anti-clonk fix - The Final Solution
Steering knuckle anti-clonk fix - The Final Solution
The evolution of the crabbing fix went like this,
MB insisting we needed buy Winter Tyres, because this is standard practice in Europe. I refused to do this on a new car, and having never fitted winter tyres to a car in my life.
MB then announced All Season Tyres would fix the fault and agreed to supply a full set Free under warranty. I accepted and had these fitted - but crabbing continued.
MB finally accepted the wheel alignment on our Right-hand drive cars is DIFFERENT to the European / Left-hand drive GLC’s.
MB re-engineering the Steering Knuckles, changing the steering geometry and these were fitted Free of charge right at the end of the 3 year warranty - Dealer was fantastic and very helpful.
Combination of All season tyres and New knuckles resolves the problem - but it truly was a painful journey. But worth the effort because £ for £ when compared against BMW, Audi, Porche, Jaguar etc the GLC is an excellent car.
MB insisting we needed buy Winter Tyres, because this is standard practice in Europe. I refused to do this on a new car, and having never fitted winter tyres to a car in my life.
MB then announced All Season Tyres would fix the fault and agreed to supply a full set Free under warranty. I accepted and had these fitted - but crabbing continued.
MB finally accepted the wheel alignment on our Right-hand drive cars is DIFFERENT to the European / Left-hand drive GLC’s.
MB re-engineering the Steering Knuckles, changing the steering geometry and these were fitted Free of charge right at the end of the 3 year warranty - Dealer was fantastic and very helpful.
Combination of All season tyres and New knuckles resolves the problem - but it truly was a painful journey. But worth the effort because £ for £ when compared against BMW, Audi, Porche, Jaguar etc the GLC is an excellent car.
I have a 69 plate 43 AMG.
Been having this issue in cold and wet weather.
There is no fix for this model due to the complex steering setup.
Knuckle joint mod is only a solution for the earlier model.
Had the service done this week, and was told that everything is working correctly.
the only thing I can do is to try winter or all season tyres, and I’m curious to know other peoples experience.
Has anyone found that the tyres made a difference? I don’t want to spend £600 plus on a set of fronts if it’s still going to happen.
Been having this issue in cold and wet weather.
There is no fix for this model due to the complex steering setup.
Knuckle joint mod is only a solution for the earlier model.
Had the service done this week, and was told that everything is working correctly.
the only thing I can do is to try winter or all season tyres, and I’m curious to know other peoples experience.
Has anyone found that the tyres made a difference? I don’t want to spend £600 plus on a set of fronts if it’s still going to happen.
I want to say thank you Tony and GLCforums for sharing this. I sent the inquiry regarding to the issue on Sunday and got in contact by the local MB branch. They booked me in on Thursday to investigate the issue and today I just got my GLC fixed and replaced with new knuckles. Took a day to fix with no costs. Happy with the fast fixed.
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511 Posts
I do like a story with a happy ending 
The extra flexibility of all-season tyres would be a good way to go on your next tyre swop although even a new set of summer tyres with their 7mm tread blocks will initially provide that extra flexibility. The tyre skipping phenomenon will always manifest itself first on the larger wheel rim sizes because of the lower tyre sidewalls and hence their lesser ability to absorb the lateral forces being generated by the steering geometry. The steering knuckle fix does not truly cure the problem but does mitigate it sufficiently to be acceptable as a 'characteristic' of RHD cars. My 2016 220d Sport has 18-inch rims and even with modified knuckles and my all-season tyres approaching their legal limit, the the tyre skipping is barely detectable on the coldest of days. I will swop my free Micheline Latitudes (16k miles) to either Michelin Cross Climate or the allegedly longer-lasting Vredestein Quadrac 5.
The extra flexibility of all-season tyres would be a good way to go on your next tyre swop although even a new set of summer tyres with their 7mm tread blocks will initially provide that extra flexibility. The tyre skipping phenomenon will always manifest itself first on the larger wheel rim sizes because of the lower tyre sidewalls and hence their lesser ability to absorb the lateral forces being generated by the steering geometry. The steering knuckle fix does not truly cure the problem but does mitigate it sufficiently to be acceptable as a 'characteristic' of RHD cars. My 2016 220d Sport has 18-inch rims and even with modified knuckles and my all-season tyres approaching their legal limit, the the tyre skipping is barely detectable on the coldest of days. I will swop my free Micheline Latitudes (16k miles) to either Michelin Cross Climate or the allegedly longer-lasting Vredestein Quadrac 5.1 - 20 of 25 Posts
