Sounds like you were working without power assist in your braking system. Either failed vacuum pump, large vacuum leak between pump and brake booster, or failed brake booster. Mosst common problem is a broken line from the booster to the vacuum pump on the front of the engine.

__________________
R. Matthew Purselle
Owner
REVOLUTION Mercedes-Benz Specialists
Decatur, GA 30030
(404)292-2683
www.revolutionbenz.com