Mercedes Benz

2020 Mercedes Benz Truck ML 63 AMG Technical Service Bulletin # S-80_57-57A Date: 120517 Keyless Entry/Start - Replacement And Diagnosis Revision Date: May 17, 2012 Order No.: S-B-80.57/57a Supersedes: S-B-80.57/57, May 16, 2012 Group: 80 Revision a: Revised to Indicate Paper SDS Process Involvement SUBJECT: MY-All, Models 164, 166, 171, 172, 203, 204, 207, 209, 211, 212, 218, 219, 231, 245, 251 Replacement and Diagnosis of FBS3 and FBS4 Components Troubleshooting in the event of problems with drive authorization or access authorization has been revised: Procedure: 1. Perform quick test Control units Body EZS Special procedures -> "Guided test of transmitter key" or "Guided test of drive authorization system". Select the applicable problem here. In the event of problems with unlocking/locking the vehicle: Carry out a guided test of transmitter key. In the event of problems with starting the engine: Carry out guided test of drive authorization syste...