Alloy Whes.

Discussion in 'Wheels, Tyres, Brakes & Suspension' started by johnlewis1964, Aug 27, 2017.

  1. johnlewis1964

    johnlewis1964 Hardcore MB Enthusiast

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    Hi folks will 18 inch wheels from an s class fit my c180 2008 w204 many thanks.
    I bought a set of wheels 18 x 8 et 45 5 x 112 but they won't fit flush on hub hitting shock did I buy the wrong wheels it's my first Merc.
     
    Last edited: Aug 27, 2017
  2. PobodY

    PobodY Hardcore MB Enthusiast

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    The offset is probably wrong despite the PCD and centre bore being correct.

    You can do what I did with my winter wheels and just fit a spacer behind them to keep them from fouling the suspension (in my case, the brake calliper).
     
  3. OP
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    johnlewis1964

    johnlewis1964 Hardcore MB Enthusiast

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    Will that do it do you thing what width spacer cheers.
     
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    johnlewis1964

    johnlewis1964 Hardcore MB Enthusiast

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    What are a good make of spacer will I need longer bolts many thanks
     
  5. AMGeed

    AMGeed MB Club Veteran

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    Last edited: Aug 27, 2017
  6. OP
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    johnlewis1964

    johnlewis1964 Hardcore MB Enthusiast

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    Many thanks.
     
  7. AMGeed

    AMGeed MB Club Veteran

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    Correction to the above. S class wheels have an ET 45. W204 C Class rear wheels the ET should be 54.
    In theory, the S class wheel should sit 9mm further out toward the bodywork so a huncentric spacer shouldn't be required.
    Apologies for the error.

    Here is a chart to double check any wheel you want to fit and what you already have.
    http://www.alloywheelsdirect.net/mercedes_alloy_wheels
     
  8. MancMike

    MancMike New Member

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    Will they have low profile tyres on? So the overall rolling radius won't change?

    If it is going to increase, your speedo will be wrong and you'll lose acceleration.
     
  9. PobodY

    PobodY Hardcore MB Enthusiast

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    The error in the speedometer is small enough to be insignificant. - Changing from 14" to 16" wheels on my Nissan means that the speedometer reads 115mph instead of 112mph when the limiter kicks-in.
     
  10. renault12ts

    renault12ts MB Club Veteran

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    But, if they are touching the shock they will need spacers.
     
  11. OP
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    johnlewis1964

    johnlewis1964 Hardcore MB Enthusiast

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    I had a look at tyres and they are 255 x 45 x 18 could that be the issue many thanks.
     
  12. Mr Filipov

    Mr Filipov Hardcore MB Enthusiast

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  13. renault12ts

    renault12ts MB Club Veteran

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    Yep they should be 225/40. Those are too wide and too tall. Each side wall is an inch higher than standard...so the diameter is 2 inches too big.
     
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    johnlewis1964

    johnlewis1964 Hardcore MB Enthusiast

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    Thanks guys so 225 x 40 front and back cheers thanks for all you help.
     
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