This 1956 Mercedes-Benz 190SL is said to have been purchased new in Los Angeles, California, and the second owner bought it in Palo Alto in 1963 and kept the car in that city until selling it in 1980 to a neighbor, who is the current owner. The car has been refinished in white over a black leather interior, and power is supplied by a replacement 1.9-liter inline-four paired with a four-speed manual transmission. Equipment includes twin Solex…