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ML Rumble

Discussion in 'Suspension, Steering & Brakes' started by colin ling, Jan 2, 2013.

  1. colin ling

    colin ling Senior Member

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    Joined:
    Feb 9, 2004
    Location:
    colchester
    Your Mercedes:
    ML 280 CDI 2008
    Hello and a Happy New Year to everyone

    My ML has done 48,000 miles and seems to have developed a faint rumble. Allowing for the state of our roads and normal tyre noise, the new noise seems to appear after about 40 mph and is a low pitch sound like a wheel bearing starting to fail.

    The tyres are Goodyear Wrangler HP and all about half worn and even (pressures checked)

    I cannot spin the wheels by hand to hear / feel anything

    It had an MOT recently (with no comments) and I almost think it started after that

    Does the ML suffer wheel bearing or presumably transmission problems at this mileage ?

    Any suggestions gratefully received

    thanks

    Colin Ling
     
  2. television

    television Always remembered RIP

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    Joined:
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    Location:
    Daventry
    Your Mercedes:
    2002 SL500, 216 CL500, all fully loaded
    Tyres with the big V pattern can get very noisy when ½ worn, not always easy to tell the difference between tyres and wheel bearings as they both start making the noise at just over 40mph.

    One way is to see if the noise changes on different ash felt surfaces, it it does it more than likely the tyres
     
  3. ml280nick

    ml280nick Senior Member

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    Joined:
    Sep 26, 2011
    Location:
    London
    Your Mercedes:
    Ml 320 CDI Sport 2009
    Hi there

    Sounds very similar to my ML280 CDI 06 reg I gave back last year. Front Diff bearing. Started at 30-40 mph. Noticed it more on a motorway. Crusing at 70 mph and then letting go of the accelerator.

    Similar to what you are hearing? Noise at the front or back?

    Mine was at 51K at the time.


    Regards
     
    Last edited: Jan 3, 2013
  4. Bolide

    Bolide Senior Member

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    Your Mercedes:
    BMW 525 Diesel Touring
    Google ML front diff noise and you'll find lots of anecdotal evidence, mainly in the USA

    Nick Froome
     
  5. OP
    colin ling

    colin ling Senior Member

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    Joined:
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    Location:
    colchester
    Your Mercedes:
    ML 280 CDI 2008
    Good evening television, ml280nick, Bolide and thanks for your interest and replies

    Tyre noise varies with different road surfaces, but the low pitch rumble remains in the background

    When cruising at 70mph coming on and off the accelerator has no effect on rumble

    The ML diff noise on Google makes interesting reading

    Think I may pop in to my local dealer for some advice

    Thank You

    Colin Ling
     
  6. ml280nick

    ml280nick Senior Member

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    Joined:
    Sep 26, 2011
    Location:
    London
    Your Mercedes:
    Ml 320 CDI Sport 2009
    Hi there.

    Any update? My bearing on the front diff went a day after purchase from mercedes benz in Waltham cross. The first gave all sorts of excuses but then lied and said that they changed the oil in the diff and offered me to drive for a month. Truth came out that because it was in the first 30 days of purchase (well day 1) warranty would not pay so the dealer had to take the hit. Just be careful what they say to you. You covered by warranty?
     
  7. OP
    colin ling

    colin ling Senior Member

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    Location:
    colchester
    Your Mercedes:
    ML 280 CDI 2008
    Hi ml280nick

    My warranty ran out last month (the law of sod prevails)

    Popped into my favourite main dealer (MB Ipswich, service manager Carl) who I trust. Carl stated they have never had a diff problem on an ML. They have changed wheel bearings on high mileage ML's.

    Went for a ride with workshop foreman, he agreed there is a faint rumble, possibly tyres - which may be worth getting another set of tyres & wheels to do a test (from sales car).

    I swopped front to back yesterday and that did not change the noise at all.

    I am going to wait and see if the noise gets louder and if it does try the tyre & wheel swop
     
  8. oigle

    oigle Senior Member

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    Location:
    Redcliffe, Queensland, Australia
    Your Mercedes:
    Currently 2003 ML270. 2012 Nissan Maxima 250SL.
    Are your tyre treads V patterned? If they are all the same, then front to rear won't help. Malcolm suggested tyres. I'm inclined to agree.
    Only other thought is perhaps engine mounts. I have the earlier - 163 - model but have been plagued by engine mount failures causing undue NVH in the vehicle. At 48K, could easily be that.
     
  9. Mark A

    Mark A Senior Member

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    Aberdeen
    Your Mercedes:
    08 ML-420CDI, 58 ML-320CDI, 66 CLS-220d
    Had to get the propshaft centre bearing replaced on the wife's W163 ML last year, could be that - made a hell of a racket until it was changed. Sprayed the bearing with lots of WD, and that significantly reduced the noise - but only long enough to confirm that's where the noise was coming from. Replacement was the only cure.

    Mark
     
  10. OP
    colin ling

    colin ling Senior Member

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    Your Mercedes:
    ML 280 CDI 2008
    Hi oigle and Mark A

    Tyres are Goodyear Wrangler HP, I'm not sure if you class them as v patterned

    Engine mounts and prop joints are now down for next weekend

    thanks

    Colin Ling
     
  11. oigle

    oigle Senior Member

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    Location:
    Redcliffe, Queensland, Australia
    Your Mercedes:
    Currently 2003 ML270. 2012 Nissan Maxima 250SL.
    No big V there. Those tyres should be nice and quiet.
     
  12. OP
    colin ling

    colin ling Senior Member

    Messages:
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    Joined:
    Feb 9, 2004
    Location:
    colchester
    Your Mercedes:
    ML 280 CDI 2008
    Ml Wheel Bearing

    Good morning

    My ML has now done 51000 miles and I am pretty sure the noise is the near side front bearing.
    Can anyone give me the instructions to change the bearing please ?

    thanks

    Colin Ling
     

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