Tuesday, June 16, 2020

Technical Service Bulletin # Mercedes Benz Truck GL 550 S-27_19-121 Date: 110824

Technical Service Bulletin # Mercedes Benz Truck GL 550 S-27_19-121 Date: 110824

Transmission Controls - Control Module Flashing Info.

Date: August 24, 2011

Order No.: S-B-27.19/121

Supersedes

Group: 27

SUBJECT: MY-All, Models All

Transmission Control Module Flashing

Do not flash the transmission control module, unless specifically instructed to do so in a technical document, such as a LI, Service Bulletin,

Campaign, or Diagnostic Tree; or the SDS Diagnostic System indicates to do so.

Failure to adhere to this policy will result in rejected warranty claim or a debit.