2017 Mercedes Benz S 63 AMG Technical Service Bulletin # S-54_21-244A Date: 110720

Engine Control - Engine Control Module (N3/10) Flashing
Date: July 20, 2011
Order No.: S-B-07.61/89a, S-B-54.21/244a
Supersedes: S-B-7.61/89, S-B-54.21/244, July 8, 2011
Group: 07, 54
Revision a: Revised with SDS instruction.
SUBJECT: MY-All, Models All
Engine Control Module (N3/10) Flashing
Do not flash the engine control module (N3/10), 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. Unnecessary flashing could have an adverse effect on vehicle
functionality.