Mercedes Benz Truck R 320 BLUETEC Technical LI91-10_P-048505 Date: 100324 Interior - Front Seat Noises When Adj. Lumbar Support
Mercedes Benz Truck R 320 BLUETEC Technical LI91-10_P-048505 Date: 100324 Interior - Front Seat Noises When Adj. Lumbar Support Noises during lumbar support adjustment Topic number LI91.10-P-048505 Version 1 Design group 91.10 Front seats Date 03-24-2010 Validity Model series 164/251 for all vehicles with manually adjustable lumbar support Reason for change WIS reference Reason for block Complaint: Noises can occur when the manually adjustable lumbar support is adjusted. Cause: The Bowden cable of the manually adjustable lumbar support can rub against the spring core of the backrest. Remedy: Mercedes Benz Truck R 320 BLUETEC Page 433 1. Remove seat-back lining (164: AR 91.10.-P-1915 GZ/251: AR 91.10-P-1915RT) 2. Manually adjust the lumbar support with a load on the seat and determine the friction points. Note: There must be a person seated on the affected seat when determining the friction points so that there is adequate pressure on the backrest. The attached pic...