Fwiw, this connector is still being used in the 2017 958 for the LIN bus connector under the center console mode buttons (pas, diff, sport+, etc). Albeit with just 3 pins actually in the connector instead of the four it can hold, one spot is empty.
TE makes it, but the -1 variant is restricted to automakers.
Not sure but the -3 variant looks pretty much the same.
I generally try not to resurrect zombie posts from the dead, but search brought me here via the Mercedes number, and that gave me a jump on more search words. Maybe the next guy will come along in another decade..