Is there a parts compatibility sheet/list anywhere - at least some of the parts should be interchangable - i.e. primary filters?! I'm sure other stuff too...

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1987 Mercedes 300SDL; SOLD
1985 Mercedes 300D; SOLD
2006 Honda Pilot - wife's ride; 122K;
1995 Toyota Land Cruiser - 3X locked; 182K

I don't have a list but I know the fuel filters for my 603 also fit my 606, so I bet they'd fit the 617 too.

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Muleears
'07 E320 Bluetec 133K my DD
'04 Jaguar XJ8 VDP, 34K
'10 Hyundai Accent 60K Grocery Getter
'02 VW Golf soon to be on the road again
'97 E300 Diesel Son's DD
'61 VERY tolerant wife

Hampton Roads, VA USA

Gone but not forgotten:
'67 250S 95K
'86 300SDL
'87 300D Turbo, 364K! R.I.P.
'98 E300 Turbodiesel, 213K
'02 S420, 164K
'01 Prius 138K

The primary fuel filters are common in the 617 and the 603. The secondary fuel filters are common in the 603 and the 606. I have all three.

Common stuff like lamps and vacuum lines will be common but even window switches are different in the W124 compared to the W123. Weird as it seems, there are actually very few parts in common between these two models. OTOH, within each model there are many common parts during the ten or so years each was produced.

Jeremy

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"Buster" in the '95

Our all-Diesel family
1996 E300D (W210) . .338,000 miles Wife's car
2005 E320 CDI . . 113,000 miles My car
Santa Rosa population 176,762 (2022)
Total. . . . . . . . . . . . 627,762
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970