It's well established that the shifting assembly was faulty on these cars.
Mercedes-Benz Q&AAsk Your Question
2003 Mercedes-Benz SL500 Question: Why did Mercedes not issue a recall on the shifting assembly?
Answer #1milesauto from Miles Auto Service Inc., January 30, 2013, 05:29Master
Most all recalls are issued for safety issues not mechanical problems. That does not mean that there could be Technical Service Bulletin for that issue. TSBs are not sent to the public.
Answer #2Greg's Orange Auto (12205 Answers) , Orange, CA - (714) 361-9386globalhelper January 30, 2013, 06:42Master
agree with miles