Question about Mercedes-Benz E-Class
More out of interest than anything else
Does the car slow down with the feeling that you are sinking , ie does it tend to press you down as if you are suffering the effect of heavy gravity.
When they kick in do you then get a nosedive action.
We did a lot of work on Rally cars and one problem we had was that an adjustable valve to allow you to apply the brake pressure to the front or rear of the car depending on the stage went sick
The result was that the car tried to press its self down into the road under braking
All cars have a similar automatic system installed to split the braking on a ratio of 60/40 or even more depending on the make.
This has nothing to do with ABS or traction control it it there to stop the car in a controlled manner by giving the front brakes priority and to prevent the back brakes locking up and flipping you sideways.
In a 93 model motor it is possible that the valve is staying open and that you are getting what would be the response of an emergency stop following rear brake failure
Posted on Jul 24, 2009
First of all, most rotors and drums rust and that is not a concern.
As to the difficulty in braking, I would guess from the symptoms that is is the master cylinder, or the power assist, or an adjustment between the master cylinder and the power assist.
Also, you can easily eliminate the wheel cylinders or calipers by visually inspecting them from the outside. If you see dampness (usually accompanied by a lot of grime and brake dust trapped in it) on any of the wheel cylinders or calipers, then look there first. If those are clean, go back to the master cylinder and the power assist unit
Hope this helps
Let me know
Thanks and rate
Posted on Jul 24, 2009
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Posted on Jan 02, 2017
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