Mercedes CLK 320 Service and Repair Manuals. Mercedes CLK 320. The Mercedes-Benz CLK-Class are a mid-size rear-wheel drive, four-seater luxury coupés and convertibles, produced by German car manufacturer Mercedes-Benz in two generations, respectively based on the W202 and W203 platforms of the C-Class. MERCEDES-BENZ 2003 CLK 320 OPERATOR'S MANUAL Pdf View and Download Mercedes-Benz 2003 CLK 320 operator's manual online. CLK-Class Coupe. 2003 CLK 320 Automobile pdf manual download. Also for: 2003 clk-class coupe, Clk 500, 2003 clk 55 amg, Clk 320, Clk 500, Clk 55 amg, Clk 320.