Tail Light problems of the 1998 Mercedes Benz SLK230

After driver's side tail light bulb burned out I replaced bulb three times before having to take it to a mercedes specialty repair shop. I was told I would have to replace the entire tail lamp assembly. While there it was mentioned that another consumer had the same problem.

While braking tail lights failed. Dealership repaired the tail lights. However, problem recurred.

While driving tail lights failed without warning. The dealership mechanic said that the problem was due to the tail light assembly burning up. The problem has not been resolved. Dealership replaced the both left and right tail light assembly with newer version. Mechanic stated the original part would malfunction at any time without the driver being aware. Consumer stopped driving the vehicle until part was replaced.