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Has anyone had problems with GLC 220 RH drive vehicles or similar having serious clunking problems when undertaking a U turn - vehicle has only done 1500 km
 

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Might be something suspension related, best to take it in and get feedback on what it could be. Better to get that done as soon as you can before it possibly gets worse.
 

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It could be the relief valve in the steering power pump, it passes when full lock is made, i.e. U turns.
 

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Mine does the same thing GLC 250 cdi premium plus uk got it new last October it's going for its first service next week I will ask them to check another thing the mpg is no where near official combined of 56.5 in real world 35 mpg
 

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Mine does the same thing GLC 250 cdi premium plus uk got it new last October it's going for its first service next week I will ask them to check another thing the mpg is no where near official combined of 56.5 in real world 35 mpg
wouldn't be entirely surprised if some time down the road we eventually hear the MB claimed some fake numbers. Once we see a good sample size of GLC owners reporting that, it will be a good indication.
 

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Has anyone had problems with GLC 220 RH drive vehicles or similar having serious clunking problems when undertaking a U turn - vehicle has only done 1500 km
Yes, mine has the same problem, had it in twice , think they have greased bearings to avoid addressing the problem.
Lets all ask for more people with the same problem
KW
 

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GLC steering knocking

Has anyone had problems with GLC 220 RH drive vehicles or similar having serious clunking problems when undertaking a U turn - vehicle has only done 1500 km
Yes, I have had the same problem.
Purchased car December 2016, had it in twice, not solved.
Think they treated with grease, which solves it temporarily, but soon wears off
In for service soon.
 

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Yes, I have had the same problem.
Purchased car December 2016, had it in twice, not solved.
Think they treated with grease, which solves it temporarily, but soon wears off
In for service soon.
I guess you can try requesting that they use a thicker grease, that way it will take much longer to thin out, less trips back and forth for you.
 

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I had mine in Nov, the first batch to roll out of factory.
Dealer had it for 4 weeks, and it was due to the sharp turning circle of the front wheels and the coupling between the steering and the wheel was not aligned. So they had to realign it.
It still does it on wet roads and apparently it is quite normal bcos of the acute turning circle of the wheels
 

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250d wheel juddering

What clunking do you mean? I'm not sure whether I have that problem??? Just picked it up on Tuesday. 250d sport.
Mine makes an ugly juddering and clonking noise when making tight turns - in the recent cold weather the problem has increased, making the noise even at moderate corner turns. If you get someone to drive while you watch you'll see the front wheels twitching, juddering and bouncing - not pretty and not what I had expected from a Mercedes with 4Matic drive :frown2:

The dealer has suggested fitting Winter tyres, seems extreme when the winter hasn't really arrived here in the UK.

Can anyone recommend a reasonably priced 20" winter tyre?
 

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Mine makes an ugly juddering and clonking noise when making tight turns - in the recent cold weather the problem has increased, making the noise even at moderate corner turns. If you get someone to drive while you watch you'll see the front wheels twitching, juddering and bouncing - not pretty and not what I had expected from a Mercedes with 4Matic drive :frown2:

The dealer has suggested fitting Winter tyres, seems extreme when the winter hasn't really arrived here in the UK.

Can anyone recommend a reasonably priced 20" winter tyre?
Pirelli and Continental are good brands to check out and ones I often see on Benz's. From that you have to decide on how much you want to spend and going with OEM tire size recommendations.
 

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juddering and clonking noise when making tight turns

I also have the same problem - juddering and clonking noise when making tight turns.

I think I will check with the dealer but I am concerned that they would just 'fob me off' with some excuse. I have noted what other people have said and will keep looking at the forum for information.

John (in Wales UK)
 

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My guess is your dealer will say - MB recommend fitting winter tyres when the temp drops below 7 degrees. I would appreciate knowing what they say?

20" winter tyres are looking to be around £300 each :(

In my opinion this is a design fault / flaw that is less evident when winter tyres are fitted. My GLC has shown this problem virtually all year round, worsening in colder weather.

I've had many different cars - BMW, Audi, VW and Ford - none of them driving in such an awful way when making tight turns. I used to enjoy jumping into a nice car and driving to and from the office - not anymore. The GLC experience makes me cringe, not to mention the embarrassment when people hear the nois and watch me make a 6 point turn that should be a simple 3 point manoeuvre, sickening in a luxury brand car.

Tony (Midlands UK)
 

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I have the same problem, tyres juddering on a tight turn when I am reversing or driving out of a parking space. I had put it down to the cold weather, but it seems something is amiss. I never had this problem with my last Mercs.
 

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I have my GLC 220 Sport Diesel for one week now. The car has the same problem. My husband thinks it might be the differential and will eventually put an enormous strain on the differential drive shaft and universal joints as well as wear the tires away. Phoned the dealership, they say:"It is a characteristic of this car!" So that is it then?
 

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I have my GLC 220 Sport Diesel for one week now. The car has the same problem. My husband thinks it might be the differential and will eventually put an enormous strain on the differential drive shaft and universal joints as well as wear the tires away. Phoned the dealership, they say:"It is a characteristic of this car!" So that is it then?
I took delivery of my 250 GLC the 29th November 2016 and because of a number of reasons only this month started to drive the GLC and experienced the same problems. Took the car to the dealer, who told me it was a know problem which can be rectified by changing to winter tyres. I have emailed Mercedes UK very unhappy about what I consider a safety issue, waiting their resphonse.
 
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