I'm 6'8" so I've have a tough time in a lot of cars. I have a w126 so I can fit in that comfortably but no one can really sit behind me. My mom has a 1990 SL that I can fit in without being too cramped. What I usually do is push the seat as far back as it will go and then tilt the seat back pretty far. This makes me lean back so that i'll have more room up top.

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W126 1983 300SD 286,000 miles and ticking
Baby blue exterior Grey MB tex
Recent work:
Replaced air cleaner mounting brackets and heat shields
Replaced alternator, fan and power steering belts
Replaced positive battery terminal
Replaced negative battery terminal and cord
New Duralast Battery

My car needs work.