Excessive Brake Pedal Travel

[wbrian63]

I just swapped out the front rotors and steering stabilizer on my '92 300SE in an attempt to get rid of the under-braking shimmy I was experiencing.

Didn't swap the pads as they are practically brand new, from what I could tell.

Discs are MB OEM. Shimmy is gone.

Before the work, pedal travel to get "real" braking was what I call excessive - probably at least 1" or more. After the work, same thing.

I bled all of the brake lines using brand new DOT3 fluid. I've since been told that I should have used DOT4 and flushing that out will restore the brake pedal to a more reasonable functioning level.

Far as I can tell, the car is more than capable of stopping quickly when required, I just don't like having to press so far on the pedal to get it to do so.

Any suggestions, or is the DOT4 change the solution to my problem?