I just replaced the front brake calipers, pads and wear sensors on my '82 300 TD. I also of course bled the brakes and flushed most of the old fluid out. When I was done I pressed the reset buttons on top of the master cylinder reservoir.

So, today when I started driving it the wear indicator light started flashing again. Now I know it's not the pads as I just finished replacing them yesterday. Here's what happens, as I start driving, the wear indicator light starts flashing slowly. As I increase speed the frequency of the flashing increases. Eventually when I get to highway speed the light is pretty much just flashing really fast. As I slow down it does the opposite.

The brakes feel fine, nice and solid. Do any of you guys have an idea what I should check?

the sensor wire must be touching something making the light come on. Jack it back up and take a look.

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1985 300TD Turbo Euro-wagon
1979 280CE 225,200 miles
1985 300D Turbo 264,000 miles
1976 240D 190,000 miles
1979 300TD 220,000

GONE but not forgotten
1976 300D 195,300 miles
1983 300D Turbo 175,000 miles

http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg

Hmm. Never thought of that, I will take a look at that tomorrow.

Seems to me that the brake wear sensor light and the other brake light are separate. The "other" light is for low brake fluid and emergency brake left on. So the only thing that is turning on your light is, as was said, a wire somehow touching ground.

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"Buster" in the '95

Our all-Diesel family
1996 E300D (W210) . .338,000 miles Wife's car
2005 E320 CDI . . 113,000 miles My car
Santa Rosa population 176,762 (2022)
Total. . . . . . . . . . . . 627,762
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970

Bassmun, did you discover anything? I just performed the same replacements and am having the same symptom. I'm going to jack up the car and have a look tomorrow but I was curious as to what you found.

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1985 300TD "Ted", 220,000 miles

Make sure you push the wires in closer to the retaining clips, they might be contacting the inner part of the wheel and the insulation has rubbed off. Get new ones and install them again.

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http://farm8.staticflickr.com/7271/7...144c3fc1dc.jpg

I discovered that the sensor wires were touching the inside of the wheel. So as the wheel spun the sensor flashed. All I ended up having to do was take those wires and push them down towards the brake pads so that they were no longer rubbing on the wheel. I haven't seen the brake wear light since.

Sure enough, I had the same cause. Thanks.

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1985 300TD "Ted", 220,000 miles