Yup, first thing I'd check would be the fuses, even if it looks good change it any way. All the stuff not working on mine when I bought it a month ago came to life with a fuse change (they appeared to be good ones BTW).
1991 300SE (my ride, 279,000 miles, looks almost new
1954 Cadillac (21 yo son's car, he bought when age 15)
1972 SeaBird 19 ft runabout (old but solid, slant six, Volvo sterndrive perfect condition, undergoing complete overhaul and refit)
1998 Toyota Rav4 (my sons daily driver when he is in the Continental US, PROUDLY serving in US Navy)