Kind of seems he stated the car - a 280ce, if my eyes don't deceive me. It also looks like he's in the right forum - classic Mercedes...
Mike, I don't see many of those nowadays. Yours is fuel injected, right ("e" for eingespricht)? I may be able to help with a service manual, but I think what I have is mostly carb-related. Shoot me a PM with your email address and I'll send you a link to my google drive, with the manual.