I was going to use a bolt/socket/washer combo to pull the two pins that need be removed to yank the head. Measured the inside diameter of the upper pin with a dial caliper and got 5mm. The 5mm bolt I bought slid in the pin without stopping but the 6mm bolt I had was too big.

Any ideas? 5.5mm special tool only?

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63 220S W111
76 300D W115
2013 VW JSW TDI M6

previously-
73 280 SEL 4.5
86 300E 5 speed
2010 VW Jetta TDI M6

I used a series of small sockets and washers and the end bolt to extract mine out of my 603. It took a little while to get them out, but they came out. I have heard of a special tool specific for this task, but I didn't want to wait around for one, so I just had at it, and got the job done! It can be done, and as the old adage goes, "where there's a will, there's a way"

before I was working for MB, I bought a pin puller designed for MB engines from snap-on, I bought it for my 116 engine, but it works on a variety of other gas and diesel models, including the 617, so I would assume that it would fit a 603 as well.

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1980 500SE/AMG Euro
1981 500SEL Euro
1982 380SEL
1983 300TD
1983 500SEC/AMG Euro
1984 500SEC
1984 300TD Euro
1986 190E 2.3-16
1986 190E 2.3
1987 300D
1997 C36 AMG
2003 C320T 4matic

past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350

Just about any bolt in the engine bay that takes an 8mm wrench will go into those pins.

I got a long high grade bolt at Pep Boys that took an 8mm wrench. I didn't even think about the threads and it fit without problems.

Sixto
95 S420
87 300SDL