You're carefully torqueing the lug nuts to spec?

Yes, 100ft/lbs with an electronic snap-on.

Good catch deanyel. Yes, it is very important to torque them equally in a five pointed star pattern. I have found that MB's are durable enough to just snug them up by feel in a five pointed star pattern, but if you don't trust yourself to feel that they are snugged the same it wouldn't hurt to use a torque wrench. I use a torque wrench on about everything BESIDES a Benz.

A sticking caliper piston can give vibrations, make sure they can move freely.

Rob

Sure, but wouldn't a symptom of a stuck piston pull the car away from the weak side?

__________________
"Fubu" - 1993 500E 199/271 (103K) 124.036
"Patty" - 1994 E320 Touring "Sportline" 172/174 (239K) 124.092
"Punch" - 1997 Porsche 993TT (34K) Hang on!

Not on the rear.

__________________

Gone to the dark side

- Jeff

speed, as far as I know the correct torque value for 124 lug bolts (M12) is 81 ft/lbs. Larger diameter lug bolts (M14) on newer MB automobiles require 100 ft/lbs. (It's possible the W124 500E's and E500's have larger diameter lug bolts that require 100 ft/lbs.)

__________________
Fred Hoelzle

YOUR LUG NUTS ARE TOO TIGHT CAUSING THE ROTORS TO BOW, THUS VIBRATE WHEN BRAKES ARE APPLIED!

__________________
Currently Driving
2006 E320 CDI
1999 E300 Turbo Diesl
2002 ML500
1995 E320 Station Wagon


MBs I've owned
1997 E320 Assassinated by Pine Tree
1987 300E Wife Killed Engine
1981 300D Stretch Limo Total Loss
1970 250 Coupe 212,000 mi.
1974 450sel 184,000 mi.
1974 240D 377,000 mi.
1977 300D 204, 000 mi.
1979 280se God Only Knows!
1983 240D 130,000 mi.
1972 220D 280,000 mi.
1983 300SD 244,000 mi.

LMAO yea I find it funny when I read comment like this.
Most common is, "rotor warpage". It is near impossible to cause any fluctuation in a rotor. To come even close you'd have to travel at F1 or NASCAR speeds to get them glowing hot, then stop. Leaving the brakes on to let the pads bake into the metal.

__________________
91 MBZ 300TE 4M 91 Jag XJS V12 94 Alfa Romeo 164 LS 80 BMW 320i 85 BMW 528e 86 BMW 325e 88 BMW 325e 88 BMW 325i 89 BMW 325ix 95 BMW 525i 96 BMW M3 78 Fiat Spyder 124 98 Land Rover D1 LSE 98 Range Rover HSE 4.6 93 MBZ 190E 2.6 96 MBZ C280 93 MBZ 400E 90 MBZ 300ce 71 MGB-GT 91 VW Corrado G60 97 328i 99 E320 Wagon 97 E320

https://lh3.googleusercontent.com/-t...r+sig+copy.jpg

Warped rotors are very common in Europe

Getting brakes glowing hot is unfortunately easy, no need for F1 speeds, a mountain and a lot of hairpins will do. Even start and stop traffic downhill or emergency stop on the autobahn can warp your rotors. It is worse there is water on the road.

Some rotors are warped when new, even good brands, I always check them first.

One thing to check before replacing the rotors is the surface of the hub, even a little dirt can get the rotors out of alignment.

Rob

-Warped- Brake Disc and Other Myths

Excerpt from link:
"...in more than 40 years of professional racing, including the Shelby/Ford GT 40s – one of the most intense brake development program in history - I have never seen a warped brake disc."

__________________
91 MBZ 300TE 4M 91 Jag XJS V12 94 Alfa Romeo 164 LS 80 BMW 320i 85 BMW 528e 86 BMW 325e 88 BMW 325e 88 BMW 325i 89 BMW 325ix 95 BMW 525i 96 BMW M3 78 Fiat Spyder 124 98 Land Rover D1 LSE 98 Range Rover HSE 4.6 93 MBZ 190E 2.6 96 MBZ C280 93 MBZ 400E 90 MBZ 300ce 71 MGB-GT 91 VW Corrado G60 97 328i 99 E320 Wagon 97 E320

https://lh3.googleusercontent.com/-t...r+sig+copy.jpg

An other place to avoid

Rob

What? The site or GT40s?



http://www.youtube.com/watch?v=0UAnlMNvK8Y

__________________
91 MBZ 300TE 4M 91 Jag XJS V12 94 Alfa Romeo 164 LS 80 BMW 320i 85 BMW 528e 86 BMW 325e 88 BMW 325e 88 BMW 325i 89 BMW 325ix 95 BMW 525i 96 BMW M3 78 Fiat Spyder 124 98 Land Rover D1 LSE 98 Range Rover HSE 4.6 93 MBZ 190E 2.6 96 MBZ C280 93 MBZ 400E 90 MBZ 300ce 71 MGB-GT 91 VW Corrado G60 97 328i 99 E320 Wagon 97 E320

https://lh3.googleusercontent.com/-t...r+sig+copy.jpg

My ball joints are a little wore out on my 95 E320 and need replacing. I have noticed a vibration while braking also (not really a true vibration, but almost like a "jerking"). How many miles are on your car? Mine is @ 140k with the originals on them. The bearings are pretty damn cheap and should probably be replaced anyway.