Hello All,
I was just puttering around on my Euro W123 parts car and pulled the Air Cleaner off for the first time (in search of some fitting or another) and was rather surprised to see that the carb was a four barrel . First one that I had ever seen on a Benz. I thought they had skipped straight from a pair of dueces (like my dad's old 108 250S) to injection. That little guy must have been quite a rip! Too bad he'll never see the road again...
Hey, It is a parts car, so if anyone is interested in the carb/intake let me know and I'll yank it out for you.
Cheers,
-Matt-

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Currently:
1972 350SL Euro 4spd
1973 BMW R75/5
1981 BMW R80GS
1995 FZJ80 with OM606 Conversion In Progress

Cars with M110 engines used that carb from 1973-76 here in the US!

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MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
Retired Moderator

yes, the Solex 4a.
a real headache. more than one of these cars got junked because of this complicated solution to a simple problem.
warped carb bodies, vacum leaks, and very, very expensive to
repair and/or replace. almost as bad as the computer controled Carter BBD 2bbl on my Jeep YJ. You see, M-B is not perfect, they even made lemons in the '70s.

It's a GM Rochester Quadrajet made under license by Solex. It has several features unique to the application, but I'm sure some enterprising soul has learned to adapt a more common Q-jet from a GM car. There are millions of them in junkyards, and I believe spare parts and rebuilt units for various GM applications are also available.

Duke