My 1987 300SDL has developed an oil ring related problem, according to my
mechanic. The oil ring in one cyclinder is not functioning propoerly, which
allows oil into the cyclinder. On cold start, the accumulated oil is
causing a very rough idle. Is there anything I can do about this.
Paul Barbeau 1987 300SDL 133,000 miles
Paul Barbeau 1987 300SDL 133,000 miles