Mercedes Benz Truck ML 350 (164.156) Technical # LI91-40_P-050718 Date: 120405 Restraints - Great Effort To Pull Out Front Seat Belt
Mercedes Benz Truck ML 350 (164.156) Technical # LI91-40_P-050718 Date: 120405 Restraints - Great Effort To Pull Out Front Seat Belt Driver or front passenger seat belt can only be pulled out with great effort. Topic number LI91.40-P-050718 Version 1 Design group 91.40 Seat belts, emergency tensioning retractors Date 04-05-2012 Validity Model series 164 and model series 251 as of production date 06.2009 (code 800) and model series 221 as of production date 09.2009. Reason for change Complaint: Driver or front passenger seat belt can only be pulled out with great effort. Cause: During the seat belt adjustment sequence after buckling up (belt slack elimination) the control unit A76 (left front reversible emergency tensioning retractor) or A76/1 (right front reversible emergency tensioning retractor) detects an undervoltage. The undervoltage can occur briefly during the starting procedure. The undervoltage causes the belt slack elimination process to abort before it i...