One problem related to ignition module has been reported for the 1999 Mercedes Benz SLK230. The most recently reported issues are listed below.
Hard top convertible will not open -- the micron chip has been replaced twice by the dealer. Hard top convertible squeaking noise -- I have taken the car in 6 times for the same problem; only occurs when car sits in direct sunlight at 85 degrees or hotte( dot number: ).