1993 300E 2.8s have the M104 engine. M104's don't have a coil pack instead of a distributor, and timing is controlled electronically. I don't believe timing can be adjusted.

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Paul S.

2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.

1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".