Hendu,
The 5 cyl is more than a 4 cyl with another cylinder. The crank throws IIRC are offset by 144 degrees.
Thus, with #1 at TDC, one cyl would be @ 288' BTDC, one @ 144' BTDC, one @ 144' ATDC, and one @ 288'ATDC.

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Tony from West Oz.
Fatmobile 3 84 300D 295kkm Silver grey/Blue int. 2 tank WVO - Recipient of TurboDesel engine.
Josephine '82 300D 390kkm White/Palamino int.
Elizabeth '81 280E, sporting a '79 300D engine.
Lucille '87 W124 300D non-turbo 6 cylinder OM603, Pearl Grey with light grey interior


Various parts cars including 280E, 230C & 300D in various states of disassembly.