Wednesday, June 17, 2020

Technical Service Bulletin # Mercedes Benz Truck GL 550 S-54_21-246 Date: 110719

Technical Service Bulletin # Mercedes Benz Truck GL 550 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!