Thread: 1999 E300D W210 - Leaking gas cap problem?
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Old 07-03-2008, 10:38 PM
TMAllison TMAllison is offline
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Join Date: Feb 2004
Location: Walnut Creek, CA & 1,150 miles S of Key West
Posts: 4,874
If Bio has been leaking down the overflow tube it may have deterioated it.

I've not had any issues with B99 in mine. I did have leaky orings shortly after the change over to ULSD occured and with old orings you might expirience the same eventually.
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Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)
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