Mercedes Benz

2020 Mercedes Benz Truck ML 350 Technical Service Bulletin # S-15_40-58B Date: 110701 Charging System - Voltage Regulator, Inspection/Testing Date: July 2011 Order No.: S-B-15.40/58b Supersedes: S-B-15.40/58a (5/2007), S-B-15.40/58, P-B-15.40/56, T-B-15.40/57 Group: 15 2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) Page 108 SUBJECT Test and Inspection of Charging System Regulator Revision History Revision Date Purpose B 07/2011 Added Model 240 A 03/07 Addition of models 164.122/822/871, 211.022,251.122,230, 463, and warranty coding information - 05/05 Initial issue During testing of returned alternators (that were replaced under warranty) it has been determined that many alternators are being replaced when only the (replaceable) regulators are found to not be functioning. Therefore, in the event a charging system test determines the need to replace a nonfunctioning regulator; replace the regulator (independently from alternator). Note: Regulators installed on water...

Mercedes Benz Truck G 55K AMG (463.271) V8-5.5L SC (113.993)Technical Service Bulletin # S-15_40-58B Date: 110701 Charging System - Voltage Regulator, Inspection/Testing Date: July 2011 Order No.: S-B-15.40/58b Supersedes: S-B-15.40/58a (5/2007), S-B-15.40/58, P-B-15.40/56, T-B-15.40/57 Group: 15 SUBJECT Test and Inspection of Charging System Regulator Revision History Revision Date Purpose B 07/2011 Added Model 240 A 03/07 Addition of models 164.122/822/871, 211.022,251.122,230, 463, and warranty coding information - 05/05 Initial issue During testing of returned alternators (that were replaced under warranty) it has been determined that many alternators are being replaced when only the (replaceable) regulators are found to not be functioning. Therefore, in the event a charging system test determines the need to replace a nonfunctioning regulator; replace the regulator (independently from alternator). Note: Regulators installed on water cooled alternators and those ...