Mercedes Benz C 300 4MATIC # S-27_19-121 Date: 110824 Transmission Controls - Control Module Flashing Info.
Mercedes Benz C 300 4MATIC # 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 91 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.