A 1983 Hymerⓘ S660 motorhome on a Mercedes-Benz 310 T1 chassis is for sale in California. The 21-foot vehicle has a 2.3-liter gasoline engine producing 94 horsepower and a five-speed manual transmission. Its electrical system has been converted to 120 volts for compatibility with U.S. campsites. The asking price is $24,000.