56W105,
Back in the day when I first worked for Mercedes, I drove a 56 190D. That was an experience. On to your problem. You said you changed the brake hoses, and I'm assuming all four even though that has nothing to do with your problem. Occluded brake hoses will only cause irregular braking. You didn't mention adjusting the brakes. Drum brakes that are not adjusted for wear will give you a low brake pedal. Also if you open the bleed screw too much, you will syphon air around the threads causing you to think there is still air in the lines. I can unscrew a bleeder screw way past cracked open and go through gallons of brake fluid in a day and still have bubbles.

__________________
Auto Zentral Ltd.

found my prob

wrong break fluid
make sure your fuild is the right one for your car, i had to get the top of the line stuff. now they work fine.

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'83 300 CDT
'82 300 CDT- flooded and locked up, looking for new engine
'81 380 SL - Sold
'86 300 E - small probs.. 60k miles.. great condition overall

What do you mean by wrong BRAKE fluid? Any DOT3 or DOT4 should be fine. What did you have in there?

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Len
'59 220S Cabriolet-SOLD and living happily in Malta
'83 240D 351,500 miles original owner-SOLD
'88 560SL 41,000 miles - totaled and parted out
https://sites.google.com/site/mercedesstuff/home
'99 E300 turbo 227,500 miles
'03 SLK320 40,000 miles - gave to my daughter
'14 Smart electric coupe 28,500 miles
'14 Smart electric cabriolet 28,500 miles
'15 Smart electric coupe 28,000 miles

Another thought - if you have a booster on the brake system, the booster is supposed to be done first and next to last. The master cylinder is supposed to be done last.

__________________
Len
'59 220S Cabriolet-SOLD and living happily in Malta
'83 240D 351,500 miles original owner-SOLD
'88 560SL 41,000 miles - totaled and parted out
https://sites.google.com/site/mercedesstuff/home
'99 E300 turbo 227,500 miles
'03 SLK320 40,000 miles - gave to my daughter
'14 Smart electric coupe 28,500 miles
'14 Smart electric cabriolet 28,500 miles
'15 Smart electric coupe 28,000 miles

i used dot3
sais on the cap, Dot4 and up.. im pretty sure thats what happend. i did it a long time ago and forgot about this post.

basically, i put in dot3, worked great. after a day it screwed stuff up so i needed new brakes.

'83 300cdt needs dot 4+

__________________
'83 300 CDT
'82 300 CDT- flooded and locked up, looking for new engine
'81 380 SL - Sold
'86 300 E - small probs.. 60k miles.. great condition overall