The Mercedes community is large, active, and very involved. Members of the various organizations own an average of 5.75 cars each, according to Gull Wing Group, which is a Mercedes owner's club."Standard Catalog of Mercedes-Benz" is one of the complete sources for information pertaining to this famous brand of automobile, including serial number identification, engine and body specifications, historical information, and collector values for size grade of condition for all post-war models of Mercedes-Benz.