2003 Mercedes Benz S430

Routine

Owners filed 26 complaints about this vehicle with federal regulators, most often about the electrical system. No safety recall has been issued.

What fails
ComponentReportsCrashesFiresInjuries
Electrical System10
010
Seat Belts3
000
Suspension2
000
Power Train2
000
Electrical System › Instrument Cluster/Panel2
000
Vehicle Speed Control1
000
Tires1
000
Structure › Body › Hatchback/Liftgate1
000
Steering1
000
Exterior Lighting1
000

What owners reported

Newest filings
Structure › Body › Hatchback/Liftgate
Filed Jun 28, 202193,268 milesSC

The contact owns a 2003 Mercedes-Benz S430. The contact stated he opened the hatch however, the hatch quickly closed independently. The contact stated he was able to hold the hatch before it closed totally. The contact stated that the passenger’s side spring was detached from the hatch. The contact stated he attempted but was unable to repair the passenger’s side spring. The contact called and made the local dealer aware of the failure. The vehicle was not diagnosed nor repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 93,268.

Air Bags
Filed Feb 21, 2019178,789 milesKS

SRS CODES IS BEING THROWN. IF YOU MOVE A LITTLE IN THE PASSENGER SEAT IT TRIGGERS CODE TO BE THROWN. STARTED THROWING IT OUT OF NOW WHERE.

Electrical System
Filed Nov 29, 2018141,000 milesGA

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

Electrical System
Filed Mar 10, 201890,000 milesNC

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

Exterior Lighting
Filed Jan 28, 2018158,000 milesNY

INSTRUMENT CLUSTER WENT BLANK NOTHING WORKS IN CLUSTER.DRIVINGHOUR OR TWO WENT BLANK NO REASON

Suspension
Filed Jan 18, 2017MD

THE SUSPENSION ON MY 2003 S 430 4-MATIC IS STATING STOP, TOO CLOSE. IT WILL NOT LIFT UP. IS THIS A RECALL ISSUE? PLEASE CONTACT ME AT [XXX]. THANK YOU [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

Electrical System
Filed Aug 23, 2016121,000 milesMA

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.

Power Train
Filed Aug 6, 2016NY

HEATER AND AIR CONDITIONER FAN MOTOR FAILED ON MY 2003 S430. WHICH IS DANGEROUS IN SEASONAL CLIMATE CONDITIONS I'VE HAD TO REPLACE THIS PART 2X AT 700.00 ON BOTH OCCURANCES AT MY OWN EXPENSE WHICH I DONT UNDERSTAND WHEN THERE IS A RECALL FOR THIS SAME ISSUE FOR PREVIOUS YEARS 2000,2001.. RECALL#2004 070010. I'VE ALSO HAD TO CHANGE MY SHIFTER GEAR BOX WHICH JAMS IN THE PARK POSITION AND DOESN'T ALLOW YOU TO DRIVE THE VECHICLE THIS IS CAUSED BY A PLASTIC PIECE THAT IS SUSCEPTIBLE TO BREAK WITHIN THE GEAR BOX THIS ISSUE IS ALSO EXPENSIVE FOR JUST 1 FAULTY TRANS SHIFTER PIECE THAT CAN TOTALLY LEAVE YOUR CAR INOPERABLE.

Electrical System › Instrument Cluster/Panel
Filed Oct 21, 201581,563 milesNC

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.

Power Train
Filed Jul 2, 201558,000 milesTN

TL* THE CONTACT OWNS A 2003 MERCEDES BENZ S430. THE CONTACT STATED THAT THE GEAR SHIFTER SEIZED AND WAS UNABLE TO MOVE TO ANOTHER GEAR. THE CONTACT HAD TO PULL AND JERK THE SHIFTER IN ORDER FOR IT TO MOVE INTO ANOTHER GEAR. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE GEAR SHIFTER NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 58,000.

Electrical System
Filed May 9, 2015122,000 milesCA

INSTRUMENT CLUSTER FLICKER WHEN STOPPED AT LIGHT.

Electrical System
Filed Aug 27, 2014120,000 milesPA

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

Electrical System
Filed Aug 27, 2014120,000 milesPA

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

Steering
Filed May 6, 2013120,000 milesCA

I WAS ON THE FREEWAY WHEN THE VEHICLE LOST COMPLETE CONTROL SPINNING OUT OF CONTROL. HAPPENED 3 TIMES. TIRES MICHELIN WITH 30000 MILES ON TIRE BUT STILL WITHIN TREAD GUIDELINES. *TR

Suspension
Filed Jan 28, 2013113,000 milesMD

TL* THE CONTACT OWNS A 2003 MERCEDES BENZ S430. THE CONTACT STATED THAT WHILE PARKED, HE NOTICED THAT THE FRONT PASSENGER'S SIDE OF THE VEHICLE WAS SITTING ABNORMALLY LOW. THE CONTACT PROCEEDED TO DRIVE THE VEHICLE HOWEVER, ONCE HE REACHED 60 MPH A WARNING LIGHT ILLUMINATED, INDICATING THAT THE VEHICLE WAS TOO LOW. THE VEHICLE WAS TOWED TO THE DEALER BUT DID THE CONTACT DID NOT HAVE A DIAGNOSTIC TEST PERFORMED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND ADVISED THE CONTACT THAT THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 07V263000 (ENGINE AND ENGINE COOLING, SUSPENSION). THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE AND THE CURRENT MILEAGE WAS 113,000.

Seat Belts
Filed Jul 25, 201250,000 milesGA

TL* THE CONTACT OWNS A 2003 MERCEDES BENZ S430. THE CONTACT STATED THAT THE FRONT DRIVER'S SEAT BELT SEIZED AND WOULD NOT RETRACT OR PULL OUT FURTHER FROM ITS PRETENSIONER. THE DEALER WAS NOTIFIED AND STATED THAT THERE WERE NO RECALLS OR WARRANTIES ADDRESSING THE FAILURE. THE CONTACT WAS ADVISED TO BRING THE VEHICLE IN FOR AN INSPECTION. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 50,000 AND THE CURRENT MILEAGE WAS 60,000.

Tires
Filed Apr 25, 201250,000 milesGA

TL* THE CONTACT OWNS A 2003 MERCEDES BENZ S430 EQUIPPED WITH MICHELIN MXV4 225/55/R17 TIRES. THE CONTACT STATED THAT ALL THE TIRES LOST PRESSURE WHILE THE VEHICLE WAS PARKED. THE VEHICLE WAS THEN TAKEN TO A LOCAL REPAIR SHOP. THE MANUFACTURER WAS NOT NOTIFIED. THE TIRES WERE NOT REPAIRED. THE FAILURE MILEAGE WAS 50,000 AND THE CURRENT MILEAGE WAS 60,000.

Electrical SystemFire
Filed Apr 24, 201278,000 milesFL

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.

Electrical System
Filed Jul 27, 201154,943 milesMN

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

Electrical System
Filed Nov 2, 201068,000 milesCT

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

20 of 26 complaints, reproduced as filed.

Across model years

Worst on record: 2001
YearComplaintsRecallsFiresDeathsAssessment
200612010Routine
200511010Routine
200418000Routine
2003 — this page26010Routine
200231010Routine
200173040Routine
200023010Routine

Compare every S430 year →

Reading this record

No unusual pattern of severe incidents in the complaint record.

Complaint counts track how many cars were sold and how long they have been on the road as much as they track quality. A common model from 2013 has had a decade to accumulate reports; a rare one from last year has not. The signal worth weighing is in the severity columns, in whether the same component keeps appearing, and in whether the manufacturer eventually opened a recall for it.

Most recent recall on file: none. Source: NHTSA Office of Defects Investigation.