A little bit of information you could use might be found might be found here
www.slmarket.com
and here
www.oursl.com
or Hemmings Motor News Mag.
www.hmn.com
Good luck finding a good home for the car, might be interesting takeing a long trip to deliver it.
Sometimes cars find the nicest home with owners interested in collector cars, that have sites geared towards them
The SL has always been special, however the R107 model 380SL was the least desirable engine for them to have, as they did have the problem of the single row timing chain, and were the lowest performance ones with the V8.
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1991 560 SEC AMG, 199k <---- 300 hp 10:1 ECE euro HV ...
1995 E 420, 170k "The Red Plum" (sold)
2015 BMW 535i xdrive awd
Stage 1 DINAN, 6k, <----364 hp
1967 Mercury Cougar, 49k
2013 Jaguar XF, 20k <----340 hp Supercharged, All Wheel Drive
(sold)