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.
SB-91-60-193
Service Bulletin/Repair Instructions
MERCEDES: AIRBAG DURABILITY AND RELIABILITY. AIR BAG SRS CONTROL MODULE (N2/2) DOES NOT HAVE A SET SHELF LIFE AND WILL NORMALLY BE RELIABLE FOR THE LIFE OF A VEHICLE. WITH 164, 216 221, 251 AND NEWER, THE AIRBAG CONTROL UNIT CAN BE RESET FIVE TIMES. WITH MODES 202, 210 AND NEWER, THE AIRBAG CONTROL UNIT CAN BE RESET THREE TIMES. EARLIER MODELS WOULD HAVE TO HAVE THEIR AIRBAG CONTROL UNIT AND TRIGGERED RESTRAIN COMPONENTS CHANGED ONLY AFTER AN ACCIDENT. NO MODELS OR MODEL YEARS LISTED. *PE
463040
Service Bulletin/Repair Instructions
FLOW NOISES FROM AREA OF POWER STEERING PUMP AND/OR FOAMING OF POWER STEERING OIL IN RESERVOIR. *TT
424655
Service Bulletin/Repair Instructions
ABS OR ESP EVENT CODE(S) STORED IN ESP (ELECTRONIC STABILITY PROGRAM) OR SBC (SENSOTRONIC BRAKE CONTROL) SYSTEM. MERCEDES-BENZ MODELS 199, 211, 219, 230 MODEL YEAR 2004-2006. *TT
484656
Service Bulletin/Repair Instructions
SENSOTRONIC BRAKE CONTROL (SBC) NOISE DIAGNOSTIC FLOW CHARTS. MERCEDES-BENZ MODELS 211, 230 MODEL YEARS 2003-2005. *TT
5465130
Service Bulletin/Repair Instructions
PARKTRONIC TRIGGERS WITHOUT OBVIOUS CAUSE AT FRONT BUMPER IN MERCEDES MODEL NUMBERS 171/211/230. *TC
8235428
Service Bulletin/Repair Instructions
WINDSHIELD WASHER NOZZLES HEATING INOPERATIVE. *TC
4654
Service Bulletin/Repair Instructions
PARTS IDENTIFICATION FOR THE SBS HYDRAULIC UNIT.(MERCEDES BENZ, MODEL 230, YEAR 2005) *JB
4653
Service Bulletin/Repair Instructions
BRAKE MALFUNCTION SBS VISIT WORKSHOP. DISPLAYED WITHIN THE INSTURMENT CLUSTER'S MULTIFUNCTION DISPLAY. (MERCEDES BENZ, MODEL 211 AND 230 YEAR 2005). *JB
1516
Service Bulletin/Repair Instructions
STEERING WHEEL TWITCH DURING BRAKE APPLICATION. *JB