I have a 1994 MB C220 which is bad for depositing black brake dust on the
alloy rims particularly the front ones, when cleaned they are covered in
the stuff again within 2 weeks of occaisional use.
I have also noticed that some small particles of this material has become
embedded into the alloy and cannot be removed by washing or scrubbing.
Does anyone know how to cure the problem or provide a remedy to limit
damage to the alloys?
I asked this question of a MB mechanic and he said it was because of cheap
brake pads. I have the most expensive type on my 240D and have no problems
with dust while my wife's 300D has terrible dust problem with inexpensive
pads from Pep Boys. Your guess?
One can buy "KleenWheels" - disks with or without small vents that nest
inside the wheel and cover the brake caliper and rotor.
Reasonable drivers have had no problems with them causing brake fade
but, of course, some hot dog drivers here will malign the KleenWheels as
interfering with their brakes' performance.
I've used them for years, exactly for the reasons you cite, and never
had a problem - but then I drive reasonably - like most old farts.
I had the "Kleen Wheels" on my '94 SL for about a month, and they did work
well. A trip around the block (I live in the woods... big blocks here!) used
to be sufficient to dirty up the wheels, but they did remain clean when the
guards were installed.
Unfortunately, they also filled the open space one normally sees when
looking at/through the wheels, giving my pristine alloy wheels the
appearance of cheap hubcaps! I could not bear the sight of my baby being
humiliated with the look of hubcaps, so yanked 'em out and gave them to a
fellow MB owner who is less persnickety than I about those sorts of things!
Paul (also an old fart! :o)
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