Mercedes Benz Truck R 320 BLUETEC Technical LI91-60_P-047191 Date: 090630 Mercedes Benz Truck R 320 BLUETEC Page 327 Restraints - Can't Calibrate Weight Sensing Seat (WSS) UNABLE TO CALIBRATE WSS Topic Number LI91.60-P-047191 Version 1 Design Group 91.60 Airbag Date 06-30-2009 Validity New tolerances in Star Diagnosis only affects the WSS TRW Bizerba 1 control unit used on 164/251 and 211/219 vehicles. Reason for change Reason for block Complaint: Unable to calibrate weight sensing seat (WSS). Cause: In DAS 04/09 tolerances were added to calibration procedure. (+/- 8kg) This may reject the attempt at calibrating the weight sensing seat due to the weight being out of tolerance. Remedy: To repair vehicle, follow either of the procedures below. Remedy # 1: Backdate Star Diagnosis to 03/09. Remedy # 2: Request a password and instructions from the TAC hotline or Helpdesk. Symptoms Control unit/fault code Validity Mercedes Benz Truck R 320 BLUETEC Page 328 .......
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