I just took a piece of the old fabric covered hose down to the local
NAPA auto parts store here in the US. They matched it to a plastic
hose that's fuel rated. It looks very similar to soft, clear vinyl
water tubing, except it's a yellowish color. Replaced mine about 5
years ago and no leaks since. The std ones from the stealership all
weaped after a few years. It's really amazing that MB can't just get a
hose that doesn't leak, isn't it? Especially given that they charge
many times what it will cost for the hose at NAPA.
On my car, the last piece is a short stub that has an end sealed off.
For that, I put silicone caulk in about 1/2" of the end and it's worked
fine. A better way might be to find an appropriate size plug.
I just changed it... it is 1/8" ID... $15 a feet at MB dealer. I am not sure
if these MB hose are biodiesel grade... you need to ask...
Otherwise, Viton hose is the only one I know that are biodiesel compatible.
and much cheaper.
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