Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
TB-46-30-13-B
Service Bulletin/Repair Instructions
MERCEDES: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE LOWER POWER STEERING HOSE AND CLAMP SHOULD BE REPLACE, UNDER EXTENDED WARRANTY, DUE TO POWER STEERING LEAKAGE FROM CONNECTION TO POWER STEERING COOLER. MODELS 1998-2003 163.154, (ML320, 430, 55, 500, 350). *PE
424562
Service Bulletin/Repair Instructions
ESP LAMP ILLUMINATED. *TT
805732
Service Bulletin/Repair Instructions
ENGINE WILL NOT START AND FAULT MESSAGE START ERROR APPEARS IN INSTRUMENT CLUSTER. *TT
070735
Service Bulletin/Repair Instructions
AIR MASS SENSOR REPLACEMENT DUE TO CHECK ENGINE LIGHT COMING ON AND CODES P2004, P0170 AND P0173. *TT *MJ
TB8285166
Service Bulletin/Repair Instructions
SOME VEHICLES MAY EXPERIENCE POOR NAVIGATION POSITIONING IN HIGHER ALTITUDES (VEHICLES DRIFTS OFF OF ROADS ON MAP SCREEN OR POOR RE-ROUTE CALCULATION). *TT
563
Service Bulletin/Repair Instructions
INFORMATION ON THE M6 SPORT PACKAGE OPTION. *TT