I have. Not a service, but a users manual.
Might be useful for somebody:
http://clk.babailiica.com/mercedes_clk_w208_users_manual.pdf
Might be useful for somebody:
http://clk.babailiica.com/mercedes_clk_w208_users_manual.pdf
Thanks very helpful...This is not going to help davidclk find the service manual, but here is a link to owner's manual page found on the mbusa site:
Mercedes-Benz - Home of C, E, S, CLK, CLS, CL, SLK, SL, SLR, R, GLK, M, GL, G Class