Mercedes-Benz, The SL story, R107, C107 with buyer's guide and chassis number/data card explanation: From the 280SL to the 500SLC, updated March 2018 - Kindle edition by Koehling, Bernd S.. Crafts, Hobbies
MERCEDES-BENZ, The modern SL cars, The R107 and C107: From the 350SL/SLC to the 560SL and 500 Rally: Koehling, Bernd S.: 9781516859733: Amazon.com: Books
Amazon.com: Mercedes Benz SL
Amazon.com: XISEDO for Mercedes Benz SL R230 SL350 SL500 SL300 SL550 Android 10.0 Car Stereo 9" in-Dash Head Unit Car Radio GPS Navigation (with Fiber decoder) : Electronics