The 5 speed 300SL is considered by many the best of the R107s. The best mix of old and new. 300E running gear in an R107, it has an overdrive 5th gets reasonable fuel mileage, it's lighter than most of the other SL's plus the running gear is very robust.

Any slop in the shifter is down to worn bushings and a set of new or new poly bushings will cure that sloppiness.

I'm sure there are more knowledgeable people than me, but wasn't the 350SL 4 speed trans a W114/W115 part with a different bellhousing?

Also, the ability to upgrade a 300SL 5 speed to a 3.6 M104 which has the same trans bolt pattern excites me more than it should...

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David Hendy
'97 Renntech E60RS
'97 GMC 2500 Sub' Diesel
'95 E300D
'88 300TE
'88 250TD
'84 L/Rover 109