MERCEDES-BENZ, The SLK models: The R171: Koehling, Bernd S.: 9781505423624: Amazon.com: Books
Mercedes-Benz, The SLK story, R171 with buyer's guide, VIN, data card explanation and all option codes shown: From the SLK200 K to the SLK55 AMG and tuners, updated in March 2017, Koehling,