This page contains instructions for the repair of German four-wheel drive business class cars Audi A6 Allroad with factory code "C5". These cars were produced from 1999 to 2005 with petrol engines 2.7 liters (AJK/AZA/ARE/BES, 230/250 hp), 4.2 liters (BAS, 300 hp) and diesel 2.5 liters from 150 to 180 hp