One problem related to structure has been reported for the 2002 Mercedes Benz C230. The most recently reported issues are listed below.
2002 mercedes-benz C230k engine stopped, causing everything to stop functioning. The mechanic found water in the connector. The blockage was causing the drain to back up, which was causing water to enter through the roof. The driver side drain line was clogged with leaves and debris, which damaged some electrical componets.