A relative and i set about changing his brakes today. And upon seeing his rotors i say he needs new ones, he says he won't buy unless the current ones are unsafe. I'm not sure what the qualifications for a rotors are so i decided to take pictures and ask.

Are these rotors unsafe?

Measure the wear surface thickness...Mercedes gives a minimum thickness for their rotors.

.As a matter of interest .........http://www.aa1car.com/library/procut3b.htm

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[http://languageandgrammar.com/2008/01/14/youve-got-problems-not-issues/ ]

"A liberal is someone who feels they owe a great debt to their fellow man, which debt he proposes to pay off with your money."

Don't condemn the rotor based solely on the fact that there is a lip on it.

As stated above, measure it to see if it is below min thickess. Generally the specifications allow the rotors to wear about 3 mm or so from new to worn before they need to be tossed. If they are close to or below min thickess, replace them. If they are thick enough to survive another set of pads before wearing down too far, then keep them.

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Ali Al-Chalabi

2001 CLK55
1999 Dodge Ram 2500 Cummins Diesel
2002 Harley-Davidson Fatboy
Merlin Extralight w/ Campy Record

I would be much more concerned about the evident rusted-out condition of the ventilation core of the rotors than actual surface condition. This will seriously impact cooling ability and probably balance more than will a worn surface. Absolutely, new rotors are necessary here.

Steve

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'91 MB 190E 2.3
'08 RAV4 Ltd 3.5
'83 Lazy Daze m'home 5.7

I'd replace those rotors due to the heavy rust. Thickness is one thing, but rust is another. I have had 2 rotors crack in the circumference around the hub, and in both cases my wife was driving the car. Stepped on brake = loud crack noise, caliper held rotor but rotor separated from hub, so car kept going. Definitely not safe.

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08 W251 R350
97 W210 E320
91 W124 300E
86 W126 560SEL
85 W126 380SE Silver
85 W126 380SE Cranberry
79 W123 250
78 W123 280E
75 W114 280

If that were my car I'd pad slap it.

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Auto Zentral Ltd.