Nope. All 126 coupes were gas powered from the factory and only came with V8s (380, 420, 500, 560). They were the pinnacle of the MB lineup. A diesel or M110 or M103 in an S-class coupe would tarnish that grand image. Even as MB started putting diesels in non North American market S-classes after 1992, they still kept them out of the coupe. To this day, MB has never put a diesel engine in a SEC/CL/S coupe and never will.

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'81 MB 300SD, '82 MB 300D Turbo (sold/RIP), '04 Lincoln Town Car Ultimate

Sooner or later every car falls apart, ours does it later!
-German Narrator in a MB Promotion Film about the then brand new W123.

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91 350SD
14 F150 Eco
19 Fusion Hybrid
11 GT500

That’s why I converted a 90 300CE into a diesel with a 603 turbo engine

I bet an s coupe with a diesel would return better economy than a 240d.

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.

a guy on here had one for sale in Ontario Canada with a 617 and a 4 speed in it. i was very interested in that car but the logistics never panned out

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0o==o0

James 4:8

"...let us put aside the blindness of mind of those who can conceive of nothing higher than what is known through the senses"
-Saint Gregory Palamas, ---Discourse on the Holy Transfiguration of Our Lord God and Savior Jesus Christ


Centrally located in North East Central Pa.