從小七的文章
車友街拍---Lotus Esprit（誰來救我？）
http://tw.myblog.yahoo.com/ytseng3ford/article?mid=41832&prev=41863&next=41826&l=a&fid=90

就想到底應該稱呼R107還是w107...那車後的mark SL SLC究竟又有什麼差別.
http://en.wikipedia.org/wiki/Mercedes-Benz_R107#cite_note-3
Technical data Mercedes-Benz W107/C107 (non-USA models)[2] (Manufacturer's figures except where stated)
Technical data Mercedes-Benz W107/C107 (North American models)[4] (Manufacturer's figures except where stated)

The R107 took the chassis components of the mid size Mercedes-Benz W114 model
 and mated them to the larger engines from the S-Class.
The W 107 chassis is also referred to as "R 107" for "Reihe" (series).
 The series comprised SL and SLC models.

The SL variant was a 2-seat convertible/roadster with standard soft top and hardtop.
 The SLC (technically C107) derivative was a 2 door hardtop coupe,
 with usable rear seats and in effect an SL stretched 10 inches (254 mm) with a fixed roof.
 Although some may air this car as an 'SL coupe'- though technically it might be,
but in the real world it was an S-class coupe (modern day CL),
replacing the former saloon-based 280/300SE coupe in Mercedes` lineup.
The SLC was replaced earlier than the SL,
in 1981, with a much larger model, the 380SEC.
 It was aimed at the same market as more exotic machines like the Jaguar E-Type and Citroen SM.

R107是取用自E-Class的車身卻採用S-Class的引擎
SL是雙座的敞篷車有著軟頂與可拆式硬頂2-seat convertible/roadster with standard soft top and hardtop

SLC(技術上稱為C107)則是兩門的不可拆硬頂.有著無山曉路用只能載小孩與寵物的後座.
所以可以稱呼他是S等級的雙門轎車S-class coupe (modern day CL)(現今稱為CL系列)

而這款車是在Mercedes產品線上取代之前以轎車為基礎的280/300SE雙門車(W123嗎??)
SLC比SL更早被其他產品所取代
在1981,用更大台的型號,380SEC.所取代(W126嗎?)

所以我猜R107是這款車的通稱..W107/C107則是敞篷與硬頂的差別...