Rust on Rotors
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Senior Member
Joined: Aug 2002
Posts: 490
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From: Canada
05 CLK 500 cab
Rust on Rotors
At delivery, the brake rotors on my C-coupe had a thin, already-scratched coat of grey primer on the hub and rotor surfaces not swept by the brake pads. With a total mileage of under 100 km, little patches of rust were already showing on the horizontal surfaces of the hub, and in the vents of the front rotors. I removed the rust with a Dremel, and spray painted the rotors with an aluminum-colour, high heat manifold paint. I used a small brush to cover the sufaces inside the vents of the front rotors.
With some judicious masking inside the wheel wells and on the suspension, this work can be done without removing the rotors from the car. I did not mask off the area swept by the brake pads. A couple of gentle applications of the brake were enough to remove all the overspray in that area.
The colour is an excellent match to the wheels and, over two months later, the paint shows no sign of deterioration. Neither does it seem to attract brake dust, and a simple rinse when washing easily removes the small accumulation.
With some judicious masking inside the wheel wells and on the suspension, this work can be done without removing the rotors from the car. I did not mask off the area swept by the brake pads. A couple of gentle applications of the brake were enough to remove all the overspray in that area.
The colour is an excellent match to the wheels and, over two months later, the paint shows no sign of deterioration. Neither does it seem to attract brake dust, and a simple rinse when washing easily removes the small accumulation.
