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2003 Mercedes Benz S430

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2003 Mercedes Benz S430 do not stand out strongly from the model-year median of 23.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

24 reports with mileage · 2 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 12 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Suspension. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Exterior Lighting. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports1 fire reports0 injury reports

Electrical System complaints

12 reports
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141,000 miles · Nov 29, 2018
Electrical System

ELECTRICAL/FUSE/CLUSTER PANEL LIGHTS ARE OUT IN DASH VEHICLE WAS STATIONARY

NHTSA ODI #11154667

90,000 miles · Mar 10, 2018
Electrical SystemEngineUnknown Or Other

I HAVE A 2003 MERCEDES S430. THE OTHER DAY MY WIFE WAS GOING DOWN THE HIGHWAY AT 65 MPH WHEN IT JUST SHUT OFF IN THE MIDDLE OF THE ROAD. THIS IS VERY DANGEROUS. HOW DO WE ALLOW A VEHICLE TO OPERATE ON THE HIGHWAY THAT WOULD JUST CUT OFF IN THE MIDDLE OF THE ROAD WITHOUT AT LEAST GIVING YOU A CHANCE TO GET OUT OF THE ROAD. THANKS

NHTSA ODI #11078449

121,000 miles · Aug 23, 2016
Electrical System

WHILE DRIVING GETTING READY TO ENTER THE HIGHWAY MY 2003 MERCEDES S430 INSTRUMENT PANEL WENT OUT. THE GAUGES GOT STUCK ON WHAT THEY WERE WHILE DRIVING. I WASN'T ABLE TO SEE ANYTHING ON THE PANEL. I TOOK IT TO THE NEAREST SHOP AND THEY CHANGED THE FUSE, HOWEVER THE FUSE BLEW RIGHT BACK OUT EACH TIME THEY CHANGED IT. THE CAR W…

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WHILE DRIVING GETTING READY TO ENTER THE HIGHWAY MY 2003 MERCEDES S430 INSTRUMENT PANEL WENT OUT. THE GAUGES GOT STUCK ON WHAT THEY WERE WHILE DRIVING. I WASN'T ABLE TO SEE ANYTHING ON THE PANEL. I TOOK IT TO THE NEAREST SHOP AND THEY CHANGED THE FUSE, HOWEVER THE FUSE BLEW RIGHT BACK OUT EACH TIME THEY CHANGED IT. THE CAR WAS STILL DRIVABLE. I HAVEN'T HAD THIS CAR FOR 1 YEAR YET AND I AM LOST AT WHAT TO DO. THE SHOP SAID THE INSTRUMENT CHAISE WILL WORK BUT SOMETHING IS BLEWING THE FUSE. I WAS ALSO TOLD THAT THE ALUMINATOR IN THE INSTRUMENT PANEL IS FAULTY AND NEEDS TO BE REPLACED. ANY HELP WITH THIS ISSUE IS HELPFUL.. PLEASE HELP AS THIS CAR HAS BECOME A NIGHTMARE (INSTRUMENT PANEL, DOORS DON'T LOCK, PASSENDER SEAT MOVES AT WIERD TIMES, AND THE AIR STRUT BUSTED) INSTEAD OF A GOOD DREAM. I HAVE READ A NUMBER OF ISSUES WITH THE INSTRUMENT PANEL FAILURE IN THESE CARS. I WISH I WOULD OF SEEN THIS BEFORE I PURCHASED IT. MERCEDES NEEDS TO COVER THE COST IN FIXING THIS ISSUE.

NHTSA ODI #10897883

81,563 miles · Oct 21, 2015
Electrical System

TL* THE CONTACT OWNS A 2003 MERCEDES BENZ S430. WHILE ATTEMPTING TO TURN THE KEY TO THE ON POSITION, THE INSTRUMENT PANEL BECAME INOPERABLE. THE VEHICLE WAS TOWED TO A DEALER WHERE IT WAS DIAGNOSED THAT THE INSTRUMENT CLUSTER FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS NOT INCLUDED IN NHTSA CAMPAI…

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TL* THE CONTACT OWNS A 2003 MERCEDES BENZ S430. WHILE ATTEMPTING TO TURN THE KEY TO THE ON POSITION, THE INSTRUMENT PANEL BECAME INOPERABLE. THE VEHICLE WAS TOWED TO A DEALER WHERE IT WAS DIAGNOSED THAT THE INSTRUMENT CLUSTER FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 06V028000 (INTERIOR LIGHTING). THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 81,563.

NHTSA ODI #10784966

122,000 miles · May 9, 2015
Electrical SystemExterior Lighting

INSTRUMENT CLUSTER FLICKER WHEN STOPPED AT LIGHT.

NHTSA ODI #10715495

120,000 miles · Aug 27, 2014
Electrical System

STARTED CAR IN MY DRIVEWAY, DASH GOES DARK. NO POWER WINDOWS, LOCKS, RADIO, AIR, SEATS. *TR

NHTSA ODI #10628755

120,000 miles · Aug 27, 2014
Electrical System

STARTED VEHICLE IN MY DRIVEWAY, SHIFTED INTO DRIVE AND INSTRUMENT CLUSTER GOES DARK. NO POWER MIRRORS, SEATS, NO RADIO, NO AIR. *TR

NHTSA ODI #10628732

78,000 miles · Apr 24, 2012
Electrical SystemFire

TL* THE CONTACT OWNS A 2003 MERCEDES BENZ S430. THE CONTACT STATED THAT THE VEHICLE WAS EMITTING SMOKE OUT OF THE TRUNK AND HE COULD SMELL BURNING PLASTIC. THE CONTACT ALSO STATED THAT THE A PSE PUMP CONTINUED TO RUN AFTER THE VEHICLE WAS SHUT OFF, CAUSING IT TO OVER HEAT AND MELT THE WIRING HARNESS. IN ADDITION, THE CONTACT STA…

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TL* THE CONTACT OWNS A 2003 MERCEDES BENZ S430. THE CONTACT STATED THAT THE VEHICLE WAS EMITTING SMOKE OUT OF THE TRUNK AND HE COULD SMELL BURNING PLASTIC. THE CONTACT ALSO STATED THAT THE A PSE PUMP CONTINUED TO RUN AFTER THE VEHICLE WAS SHUT OFF, CAUSING IT TO OVER HEAT AND MELT THE WIRING HARNESS. IN ADDITION, THE CONTACT STATED THAT HE HAD TO DISCONNECT THE PUMP FROM THE WIRING HARNESS IN ORDER TO STOP THE SMOKING. THE VEHICLE WAS TAKEN TO THE DEALER, WHO DIAGNOSED THAT THE ELECTRICAL RELAY PUMP MALFUNCTIONED AND NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND OFFERED NO ASSISTANCE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGES WERE 78,000.

NHTSA ODI #10456334

54,943 miles · Jul 27, 2011
Electrical System

A FEW DAYS BEFORE THE MAIN INCIDENT, MY 2003 MERCEDES S430 WOULD STALL FOR NO APPARENT REASON. I CALLED MERCEDES ROADSIDE ASSISTANCE, AND THEY TOLD ME THAT I SHOULD LET THE CAR RESET, AND THIS WOULD FIX THE PROBLEM. THIS HAPPENED TWO TIMES AND BOTH TIMES THERE WAS A TEMPORARY FIX AFTER THE CAR RESET. A DAY AFTER THE SECOND RE…

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A FEW DAYS BEFORE THE MAIN INCIDENT, MY 2003 MERCEDES S430 WOULD STALL FOR NO APPARENT REASON. I CALLED MERCEDES ROADSIDE ASSISTANCE, AND THEY TOLD ME THAT I SHOULD LET THE CAR RESET, AND THIS WOULD FIX THE PROBLEM. THIS HAPPENED TWO TIMES AND BOTH TIMES THERE WAS A TEMPORARY FIX AFTER THE CAR RESET. A DAY AFTER THE SECOND RESET, MY CAR COMPLETELY STALLED AND ENGINE SHUT OFF COMPLETELY WHILE I WAS DRIVING ON THE FREEWAY CAUSING ME TO ALMOST GET INTO A FEW CRASHES. MERCEDES ROADSIDE ASSISTANCE CALLED THE TOW COMPANY, AND THEY TOOK OVER AN HOUR AND A HALF TO GET THERE. IT WAS A VERY HOT DAY, AND I FELT VERY SICK FROM THE HEAT. THE CAR WAS TOWED, AND IT TURNS OUT THAT THE CRANK SENSOR WAS FAULTY AND NEEDED TO BE REPLACED. ROADSIDE ASSISTANCE DID NOT TELL ME IT NEEDED TO BE REPLACED, BUT JUST TO LET THE CAR RESET. THERE WAS NO WARNING THAT THE SENSOR WAS FAULTY. THERE WERE NO LIGHTS THAT CAME ON THE DASHBOARD THAT THE SENSOR WAS FAULTY. THIS IS AN INHERENTLY DANGEROUS DEFECT, THAT A SENSOR GOES BAD WITH NO WARNING, AND THE ENGINE SHUTS OFF. THE SENSOR WAS REPLACED BY MERCEDES FOR $433.16. I AM TRAUMATIZED BY THE INCIDENT, AND I AM SCARED TO DRIVE A DANGEROUS CAR THAT CAN SHUT OFF WITH NO WARNING WHILE DRIVING FOR SOMETHING AS SMALL AS A BAD SENSOR. FURTHER, I WAS MISLED BY MERCEDES ROADSIDE ASSISTANCE THAT THE PART NEEDED TO RESET, RATHER THAN BE REPLACED. *TR

NHTSA ODI #10415380

68,000 miles · Nov 2, 2010
Electrical SystemSuspension

ELECTRICAL PROBLEMS WITH S-CLASS MERCEDES BENZ NAVIGATION SYSTEM SHUTDOWNS AND ALOT OF ELECTRICAL SYSTEMS FAILURES. *TR

NHTSA ODI #10363647

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.