Mercedes Benz E 550 4MATIC Sedan Technical Service Bulletin # P-91_25-198 Date: 120501 Interior - Active Multicontour Seat Comfort System Date: May 1, 2012 Order No: P-B-91.25/198 Group: 91 SUBJECT: MY-All, Model 212 with Code 432 Active Multicontour Seat Seat Comfort System Where there are complaints about the lateral support air cushion, the entire comfort insert from the ordered kit must be installed. This will ensure a system that works properly. If it is noted that only the lateral support air cushion has been replaced, a warranty claim may be declined.
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