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Mercedes GLC Clonking and juddering on near full steering lock

I have had this problem since new but now the weather is cold and damp or wet the problem is much worse. I have viewed other owners concerns about this phenomena and would like to document my experience.

The car has been with the Mercedes dealership and they have coated the drive shafts with a lubricant to hopefully reduce or remove the problem.

The service manager told me that the clonking noise is from the tyres and another manager told me the car is trying to drive straight ahead (whilst in a turn) and it is the scrubbing of the tyre on the road which is causing the noise and the judder.

The service manager told me the car is safe to drive. However, I'm not so sure.

If I need to turn sharply to avoid a collision I do want the car to turn and avoid the object rather than juddering towards the object.

My wife has said that she would not drive the car until the clonking and juddering was eliminated as it does feel and sound bad when it occurs.

Over the next few days I will check if the lubrication coating has any effect on solving the problem.

I would like to hear the latest situation with regard to all those owners who have the same problem. I.e. is there really a fix or is it a inherent design fault.

John
 

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This may be something called 'Crabbing' and is a known issue on all GLC and other MB AWD models. MB need to come up with a fix for it, but my dealer tells me it's not a safety problem. It is more noticeable in in wet conditions and the AWD tries to get grip. I have told MB customer service about the issue, so they do know about it.
 

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GLC wheel judder and clonking

Hello John,


My dealer has told me its a tyre problem and we need to fit winter tyres at £300+ each - even though in my opinion winter has not really arrived here in the UK. MB are saying the car is safe and they recommend winter tyres when the temperature drops below 7 degrees. The weather here in the Midlands is pretty mild at the moment 10+ degrees, yet the car makes an awful noise, judders, skips and lurches when turning - not necessarily with full-lock. It is very disconcerting and embarrassing, not the luxury driving experience I had expected when buying a top of the range MB GLC


The car looks great, is very comfortable with a luxurious interior and drives well, but annoyingly bad at slow speed turns - very disappointed :crying:


Reluctant to buy expensive winter tyres until I'm 100% sure they will resolve the problem.


Has anyone fitted winter tyres or found an alternative fix?




Mercedes GLC Clonking and juddering on near full steering lock

I have had this problem since new but now the weather is cold and damp or wet the problem is much worse. I have viewed other owners concerns about this phenomena and would like to document my experience.

The car has been with the Mercedes dealership and they have coated the drive shafts with a lubricant to hopefully reduce or remove the problem.

The service manager told me that the clonking noise is from the tyres and another manager told me the car is trying to drive straight ahead (whilst in a turn) and it is the scrubbing of the tyre on the road which is causing the noise and the judder.

The service manager told me the car is safe to drive. However, I'm not so sure.

If I need to turn sharply to avoid a collision I do want the car to turn and avoid the object rather than juddering towards the object.

My wife has said that she would not drive the car until the clonking and juddering was eliminated as it does feel and sound bad when it occurs.

Over the next few days I will check if the lubrication coating has any effect on solving the problem.

I would like to hear the latest situation with regard to all those owners who have the same problem. I.e. is there really a fix or is it a inherent design fault.

John
 

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I would ask the dealer to prove it at his cost before spending any money because this problem happens at 18c too. However, it could be down to the make of tire.
 

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it seems to happen in my parking garage at work, though only when the tires are wet/snowy or if the ground is wet/snowy. cant say ive had this happen in any of my other cars though, so i cant say i know what it is. its very odd.
 

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Hi all
With regards to the clonking I think it's best described as crabbing.
I've Had this problem on my vito sport and on a porche booster as yet no problem with my glc 250d sport with 18 wheels and hancock tyres.
I knew of this problem before I ordered the car As I have quite a few friends in the moter trade it's considered as a trait of the car not a fault it happens on the c class estate ml ect but not on all cars so it could be a set up problem in the factory or driving style as I've had the problem on other cars to me it doesn't seem much of a problem but on the other hand
To pay top money for for top car it should not happen.
As for M/B dealerships once you you have paid for the car they just seem to shift the blame to say you should fit winter tyres
Is rubbish if that the case the car should be supplied with summer tyres and winter or option as to what country you are in.
But after all that I would still pick the glc again
The above is just my option.

Thanks all Alfie
 

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Mercedes GLC Clonking and juddering on near full steering lock

I have had this problem since new but now the weather is cold and damp or wet the problem is much worse. I have viewed other owners concerns about this phenomena and would like to document my experience.

The car has been with the Mercedes dealership and they have coated the drive shafts with a lubricant to hopefully reduce or remove the problem.

The service manager told me that the clonking noise is from the tyres and another manager told me the car is trying to drive straight ahead (whilst in a turn) and it is the scrubbing of the tyre on the road which is causing the noise and the judder.

The service manager told me the car is safe to drive. However, I'm not so sure.

If I need to turn sharply to avoid a collision I do want the car to turn and avoid the object rather than juddering towards the object.

My wife has said that she would not drive the car until the clonking and juddering was eliminated as it does feel and sound bad when it occurs.

Over the next few days I will check if the lubrication coating has any effect on solving the problem.

I would like to hear the latest situation with regard to all those owners who have the same problem. I.e. is there really a fix or is it a inherent design fault.

John
Hi Everyone, I have exactly the same problem as described above.

I took delivery of a GLC 43 AMG in November and the car has been back to the dealer twice, and I have complained to Mercedes.

Mercedes have now come back and said that the only solution is winter wheels, as this isn't a performance or safety issue.

Problem is that I have the optional 21" wheels on the car and there are no winter tyre options available. So it's a complete set of wheels that are needed at a cost of £3000.

That isn't right in my opinion, how can mercedes be allowed to do this to customers?

I would also appreciate any updates from any other owners on their problems with this issue with full lock.
 

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Has anyone taken this up with a head office of some sort opposed to a dealership? They may be able to provide some more insight or aid once you tell them that you're dissatisfied and find it ridiculous that you have to spend £3000 on a set of wheels just to get rid of this stupid crabbing.
 

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Hi Everyone, I have exactly the same problem as described above.

I took delivery of a GLC 43 AMG in November and the car has been back to the dealer twice, and I have complained to Mercedes.

Mercedes have now come back and said that the only solution is winter wheels, as this isn't a performance or safety issue.

Problem is that I have the optional 21" wheels on the car and there are no winter tyre options available. So it's a complete set of wheels that are needed at a cost of £3000.

That isn't right in my opinion, how can mercedes be allowed to do this to customers?

I would also appreciate any updates from any other owners on their problems with this issue with full lock.
It is astonishing that MB can get away with saying the cars are safe and we need to fit winter tyres to fix a fault that feels like driving with square wheels. MB customers pay a premium for a high quality drive, that simply isn't true with the GLC.

Something is seriously wrong and the car is 'Not fit for purpose' - not sure if it's steering geometry / engineering issue or failing tyres. But as other GLC owners are seeing the problem on different tyre types and wheel sizes, I would say it's a steering geometry design fault.

I haven't found anyone who has fitted winter tyres and confirmed whether this does actually resolve the problem.

Winter tyres for my 20" wheels will cost close to £2,000 - cannot find run flat options so also have to get a compressor & gel

We took friends out for a meal last night and they were shocked at the noise, juddering and lurching in the GLC - the car looks great but is truly embarrassing when parking and driving with even slight wheel turn.

What a shambles - not a happy customer :mad:
 

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Mercedes GLC Clonking and juddering on near full steering lock

I have had this problem since new but now the weather is cold and damp or wet the problem is much worse. I have viewed other owners concerns about this phenomena and would like to document my experience.

The car has been with the Mercedes dealership and they have coated the drive shafts with a lubricant to hopefully reduce or remove the problem.

The service manager told me that the clonking noise is from the tyres and another manager told me the car is trying to drive straight ahead (whilst in a turn) and it is the scrubbing of the tyre on the road which is causing the noise and the judder.

The service manager told me the car is safe to drive. However, I'm not so sure.

If I need to turn sharply to avoid a collision I do want the car to turn and avoid the object rather than juddering towards the object.

My wife has said that she would not drive the car until the clonking and juddering was eliminated as it does feel and sound bad when it occurs.

Over the next few days I will check if the lubrication coating has any effect on solving the problem.

I would like to hear the latest situation with regard to all those owners who have the same problem. I.e. is there really a fix or is it a inherent design fault.

John
I too have found the same issue. I am speaking to Mercedes customer services about returning the car as it is not safe. Please let me know how you get on?
 

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I bought a new GLC AMG line (01 March 2016, 16 plate) which has 20" rims and Bridgestone RFT Dueler H/P Sport 255/45R20 run flat tyres fitted as supplied by Mercedes Benz. They are very noisy whilst manovering at slow speed and as one of the other disgruntled customers above suggests, I too often find myself apologising for the excessive noise, grabbing, clunking from the front of my car whilst parking etc. I took the car back to the dealer on the 22nd March and the service manager explained that the problem was likely due to cold tyres and was not an issue, once the cars tyres warmed up, he explained, the problem would go away (amazingly he did add that in time, following feed back, MB may decide that the tyres and wheels fitted to my GLC could be found to be unsuitable!)

I began to live with the problem as the weather improved into the spring and summer months. A couple of weeks ago I went to Manchester in the car where the weather was very cold, much colder than here on the south coast. The car performed terribly so much so that my 92 year old mother refused to get in the car after experiencing the dreadful noise. My wife will not drive the car as she thinks the wheels are falling off. The dealership have very little interest only to say now that they "haven't heard of this problem before, why don't I bring the car in for them to look at etc..." I thought it was down to the run flats but it sound like Tony above believes run flats will solve the problem so he must have another tyre fitted to his 20" rims which clearly show signs of performing much like the run flats. (Don't waste your money Tony, the problem will not be resolved by fitting run flat tyres)

The noise, lurching, grabbing, clucking etc from my £43,000 car is so embarrassing especially when you have people in the car and they start to feel unsafe. Mercedes need to sort this out. I like the look of the car so much but my confidence in MB has been knocked and I doubt that at this time I could consider buying the brand again.
 

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Had this happen to my 250d.
Dealer ignorded it. 1500km later I returned it with photo evidence of tyre rubber pulling on front passenger tyre. Had 4 wheel align done and it was fixed. Demanded a print of machine data with pre and post settings, proving tyres were out. Running on Pirelli run flats. Had tyres rotated to even out wear.
I will now have them rotated every 10000 (km).
Best is I now have factory settings so I can get cheaper third party tyre places to do an alignment later. Still a little crabbing on one small roundabout when wet, but so much better.
Demand alignment and copy of data from machine.
 

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GLC wheel judder video

To get a feel for the amount of juddering and bouncing I am seeing with my GLC, please take a look at this video taken earlier this evening - hope this works,

www.cncworks.com/tm/videos/glc_judder/judder/GLC_Judder.html

Temperature was around 3 c, damp surface, although no different on a dry road surface

The video doesn’t truly do justice to how much the car bounces and how bad the noise is - very sad MB owner
 

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Hi Tony,

A picture is better than a thousand words and your video proves that saying. This is much worst that the crabbing that I've had and would be unacceptable to me.
 

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MB dealers have their heads in the sand, ignoring this problem and saying its a characteristic of the GLC range - RUBBISH


The key message we have learnt from owners on other forums is that only Right-Hand drive GLC's suffer from this inherent juddering and bouncing fault. Left-Hand drive vehicles in Europe / Germany / North America drive perfectly well, although may suffer minor and acceptable typical 4x4 slipping, which is totally different to what we are experiencing in our Right-Hand drive GLC's.

Conclusion - LHD GLC.s must be different to our RHD GLC's

MB need to accept and address this issue, identify what the differences are between Left & Right hand drive GLC's and fix the problem - German customers are not experiencing the same awful and unacceptable drive!
 

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That is not a characteristic of any darn vehicle and they know it. Just because it's happening commonly to them doesn't make it a characteristic, it makes it grounds for a darn recall and to figure out what the issue is. I would be sending strongly worded messages to head office. Maybe even take to more populated social media platforms to really get their attention.
 

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The best method to bring this to the attention of Mercedes is to have the dealership managers lodge complaints. If there's enough of them I assume Mercedes will take notice and maybe issue a recall.
 
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