2020 Mercedes Benz Truck ML 63 AMG Technical Service Bulletin # T - 20_30-34A Date: 091111

T-20_30-34 - Bulletin No Longer Valid Date: November 11, 2009 Page 149 Order No: T-B-20.30/34 Supercedes: T-B-20.30/34, October 28, 2009 Group: 20 Revision: Document No Longer Valid. SUBJECT: MY-All, Engines 113, 156, 272, 273, 642 in Model 164; Engines 113, 156, 272, 273, 642 in Model 251. Replacing Coolant Expansion Reservoirs This document is no longer valid and should be disregarded.