Mercedes Benz E 63 AMG Sedan Interior - Pneumatic 4-Way Lumbar Support Fails Failure of pneumatic 4-way lumbar support
******************************************************************** 2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 1 Vehicle: All Technical Service Bulletins Interior - Pneumatic 4-Way Lumbar Support Fails Failure of pneumatic 4-way lumbar support Topic number LI91.10-P-048411 Version 3 Design group 91.10 Front seats Date 09-21-2012 Validity Model series 204, 212, 218, 207, 164, 251 with pneumatic lumbar support! Not valid for code 409 or 432 (multicontour or dynamic seat) Reason for change Part number for pressure tester corrected Complaint: The pneumatic 4-way lumbar support fails. Lumbar support pockets cannot be filled up or they drain. (Lumbar support on multicontour seat / dynamic seat not affected!) Cause: Component defect in lumbar support control unit. Remedy: Precise fault location: Check whether the air pockets exhibit a leakage before replacing any components. 1. Remove tensioning eleme...