The Mercedes-Benz C-Class takes first place in its segment in the latest ADAC breakdown statistics. According to surveys carried out by the largest European automobile club, this makes it the most reliable car in the medium class. 
The breakdown statistics are based on the practical, day-to-day experiences of the breakdown assistance personnel from the ADAC, Europe's largest automobile club. These statistics, which are published every year, therefore reflect what actually happens and provide solid information about the reliability of specific vehicle models. For the latest, extensive collation of data, cars first registered between 2003 and 2008 (of which at least 10,000 were registered each year) which had suffered a breakdown for technical reasons were recorded. Among all medium-class cars, the Mercedes-Benz C-Class proved to be the least susceptible to breakdowns.