Mercedes Benz Truck GL 450 (164.871) V8-4.6L (273.923) Technical Service Bulletin # S-54_21-246 Date: 110719
Computers/Controls - Module Programming Precautions
Date: July 19, 2011
Order No.: S-B-54.21/246
Group: 54
SUBJECT: MY-All, Models All
Programming Control Units
Before programming control units, make sure that the latest software release is on the diagnostic system! The available add-ons must always be
installed before starting any control unit programming!
