NHTSA Complaint #10175721 — 1995 MERCEDES BENZ S CLASS

I HAVE A 1995 S320 BENZ . ON END OF SEPTEMBER THE ENGINE LIGHT COMES ON AND I CHANGED THE AIR MASS FLOW SENSOR THAN A MONTH LATER THE A/C SOMETIMES WORK AND OTHER TIMES NOT I CHANGED THE VACUUM HOSES THAT GOES TO AC SOLENOID PLUS THE EGR HOSE, AND ONE WIRE THAT GOES TO THE A/C RELAY. NOW THE ENGINE LIGHT AGAIN GOES ON AND I CALLED THE DEALER AND ASK IF ANY RECALL ON 1995 S320 THEY SAY NO. YET THERE IS OVER 150 COMPLAINED TO YOUR DEPARTMENT. *NM