Noise when braking

Discussion in 'Wheels, Tyres, Brakes & Suspension' started by bostonmj, Aug 4, 2011.

  1. bostonmj

    bostonmj Active Member

    Messages:
    189
    Joined:
    Dec 20, 2010
    Location:
    Gloucestershire
    Car:
    SL350 but miss my SL500
    Hi there

    My Benz has developed a noise when braking – when I apply the pedal I hear a brief squeaking noise emanating from somewhere around the back axle/diff. It doesn’t seem to affect braking and the car stops as you would expect, without veering off to a side. The brakes on my SL500 are hydraulic with all round calipers. The noise only lasts a split second when applying the pedal and doesn’t continue whilst under braking, this leads me to think it’s a hydraulic issue when first applying pressure? Can anyone help?

    Thanks:dk:

    Should have said, no warning lights or error messages are showing!
     
    Last edited: Aug 4, 2011
  2. renault12ts

    renault12ts MB Club Veteran

    Messages:
    16,122
    Joined:
    Mar 5, 2009
    Car:
    2005 W215 CL500.
    Hydraulic brakes? With calipers? What are they like?

    Only kidding...we all have hydraulic brakes with callipers.

    A squeak is fine.
     
  3. jefrs

    jefrs Active Member

    Messages:
    617
    Joined:
    May 30, 2010
    Location:
    Berkshire
    Car:
    S210 E320 Avantgarde '98 full load
    Passengers screaming?

    Seriously - brake pads need cleaning. Build up of brake dust.
    I don't know if you have anti-sqweel shims or rubber-backed pads. Shims need some copper-ease, rubber not.

    Not hydraulics, that would be spongy brakes, or pulling wildly to side, that sort of thing.
     
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