MERCEDES-BENZ S430 · model year

2004 MERCEDES-BENZ S430

28 NHTSA complaints for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 2004MERCEDES-BENZS430 carries 28 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.

Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2004 S430 is electrical system with 6 filings, followed by suspension (4) and power train (3). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.

NHTSA currently has 15 investigation files overlapping the 2004 S430. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.

28
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths

Total Complaints

28 filings

Crashes Reported

0 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
ELECTRICAL SYSTEM6
SUSPENSION4
POWER TRAIN3
VEHICLE SPEED CONTROL2
STRUCTURE:BODY:HOOD1
VISIBILITY1
POWER TRAIN:MANUAL TRANSMISSION1
FUEL/PROPULSION SYSTEM1
STEERING1
STRUCTURE1
LATCHES/LOCKS/LINKAGES1
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL1
SERVICE BRAKES1
ENGINE1
ELECTRONIC STABILITY CONTROL (ESC)1

Recent Complaints

20220818ELECTRICAL SYSTEM

The contact owns a 2004 Mercedes-Benz S430. The contact stated that the electric conductor from the blower motor to the fuse holder overheated and melted the fuse. There were no warning lights illuminated. The vehicle was not diagnosed or repaired. The VIN was not included in NHTSA Campaign Number: 04V227000 (Electrical System). The manufacturer was not notified of the failure. The failure mileage was 78,000.

Mileage: 78,000

20191217UNKNOWN OR OTHER

IF THE TRUNK LID IS MANUALLY LIFTED, IT MAY NOT REMAIN IN THE UP POSITION AND COULD CAUSE INJURY IF IT COMES DOWN WHILE SOMEONE IS REACHING INTO THE TRUNK. THIS HAPPENED TO ME SEVERAL TIMES.

20190925EXTERIOR LIGHTING

TL* THE CONTACT OWNS A 2004 MERCEDES-BENZ S430. DUE TO INADEQUATE ILLUMINATION OF THE INSTRUMENT CLUSTER, THE CONTACT WAS NOT ABLE TO READ THE GAUGES AND INDICATORS. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE FUSE WAS REPLACED FOR THE GAUGES, BUT THE INSTRUMENT CLUSTER STILL WAS NOT ILLUMINATED. THE VEHICLE WAS NOT TAKEN TO A DEALER FOR DIAGNOSTIC TESTING OR REPAIRS. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 188,872.

Mileage: 188,872

20170926ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 2004 MERCEDES-BENZ S430. WHILE STARTING THE VEHICLE, THE INSTRUMENT CLUSTER DID NOT ILLUMINATE AND THE SCREEN WAS DARK. THE LOCAL DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS NOTIFIED AND INFORMED THE CONTACT THAT THE VIN WAS NOT INCLUDED IN A RECALL. THE FAILURE MILEAGE WAS 175,000.

Mileage: 175,000

20170315SERVICE BRAKES

CAR STUCK ON PARK, WONT RELEASE GEAR DUE TO FAULTY PLASTIC SAFETY FEATURE THAT CRACKS OVER TIME DUE TO INFERIOR MATERIAL. HAVE TO REPLACE WHOLE GEAR BOX OR REMOVE SAFETY PIN WHICH CAN CAUSE AN ACCIDENT SINCE LEVER WILL SHIFT WHITOUT PRESSING BRAKE OR IGNITION ON.

Mileage: 98,000

20170315ENGINE

CAR STUCK ON PARK, WONT RELEASE GEAR DUE TO FAULTY PLASTIC SAFETY FEATURE THAT CRACKS OVER TIME DUE TO INFERIOR MATERIAL. HAVE TO REPLACE WHOLE GEAR BOX OR REMOVE SAFETY PIN WHICH CAN CAUSE AN ACCIDENT SINCE LEVER WILL SHIFT WHITOUT PRESSING BRAKE OR IGNITION ON.

Mileage: 98,000

20170315POWER TRAIN

CAR STUCK ON PARK, WONT RELEASE GEAR DUE TO FAULTY PLASTIC SAFETY FEATURE THAT CRACKS OVER TIME DUE TO INFERIOR MATERIAL. HAVE TO REPLACE WHOLE GEAR BOX OR REMOVE SAFETY PIN WHICH CAN CAUSE AN ACCIDENT SINCE LEVER WILL SHIFT WHITOUT PRESSING BRAKE OR IGNITION ON.

Mileage: 98,000

20170315ELECTRONIC STABILITY CONTROL (ESC)

WHILE DRIVING AIRMATIC STRUT SNAPPED HIM HALF ON THE FREEWAY. WHOLE CAR DROPPED AND HAD TO TOW VEHICLE TO SHOP. REPLACED THE AIRMATIC STRUT AND NOW ABS SENSOR CAME ON AND DOESNT GO AWAY. REPLACED SENSOR AND STILL WONT GO AWAY SO NOW I LOST CRUISE CONTROL, BRAKES WEIRD, AND LOST ESP CONTROL WITH HEAVY STEERING. COMMON ISSUE ON THIS VEHICLE WITH THE AIRMATIC SUSPENSION.

Mileage: 100,000

20170315VEHICLE SPEED CONTROL

WHILE DRIVING AIRMATIC STRUT SNAPPED HIM HALF ON THE FREEWAY. WHOLE CAR DROPPED AND HAD TO TOW VEHICLE TO SHOP. REPLACED THE AIRMATIC STRUT AND NOW ABS SENSOR CAME ON AND DOESNT GO AWAY. REPLACED SENSOR AND STILL WONT GO AWAY SO NOW I LOST CRUISE CONTROL, BRAKES WEIRD, AND LOST ESP CONTROL WITH HEAVY STEERING. COMMON ISSUE ON THIS VEHICLE WITH THE AIRMATIC SUSPENSION.

Mileage: 100,000

20170315SUSPENSION

WHILE DRIVING AIRMATIC STRUT SNAPPED HIM HALF ON THE FREEWAY. WHOLE CAR DROPPED AND HAD TO TOW VEHICLE TO SHOP. REPLACED THE AIRMATIC STRUT AND NOW ABS SENSOR CAME ON AND DOESNT GO AWAY. REPLACED SENSOR AND STILL WONT GO AWAY SO NOW I LOST CRUISE CONTROL, BRAKES WEIRD, AND LOST ESP CONTROL WITH HEAVY STEERING. COMMON ISSUE ON THIS VEHICLE WITH THE AIRMATIC SUSPENSION.

Mileage: 100,000

20160706ELECTRICAL SYSTEM

THIS VEHICLE OFTEN DROPS LOWER, WHILE IN MOTION. THIS IS HAZARDOUS! I HAVE HAD THIS AIRMATIC AIR SUSPENSION SYSTEM REPAIRED THREE TIMES ON THIS VEHICLE WITHIN THE LAST THREE YEARS, AND IT APPEARS THIS IS ONE PROBLEM THAT MERCEDES BENZ REFUSES TO CORRECT. IN MY LAST S430, I HAD THE SAME ISSUE, AND HAD TO PAY HUGE AMOUNTS TO FIX THE PROBLEMS. I FEEL NO ONE IS DOING ANYTHING TO GET MERCEDES BENZ TO FIX THIS ONGOING SAFETY ISSUE. I WILL LIKE NHTSA TO GET MERCEDES BENZ TO TAKE RESPONSIBILITY FOR THESE ONGOING DEFECTS.

20160706SUSPENSION

THIS VEHICLE OFTEN DROPS LOWER, WHILE IN MOTION. THIS IS HAZARDOUS! I HAVE HAD THIS AIRMATIC AIR SUSPENSION SYSTEM REPAIRED THREE TIMES ON THIS VEHICLE WITHIN THE LAST THREE YEARS, AND IT APPEARS THIS IS ONE PROBLEM THAT MERCEDES BENZ REFUSES TO CORRECT. IN MY LAST S430, I HAD THE SAME ISSUE, AND HAD TO PAY HUGE AMOUNTS TO FIX THE PROBLEMS. I FEEL NO ONE IS DOING ANYTHING TO GET MERCEDES BENZ TO FIX THIS ONGOING SAFETY ISSUE. I WILL LIKE NHTSA TO GET MERCEDES BENZ TO TAKE RESPONSIBILITY FOR THESE ONGOING DEFECTS.

20160613ELECTRICAL SYSTEM

MY INSTRUMENT CONTROL PANEL BACKLIGHTING EXPERIENCED AN ELECTRICAL MALFUNCTION RESULTING IN THE FAILURE TO ILLUMINATE THE GAUGES. THE CONDITION WAS DIAGNOSED BY MY INDEPENDENT MECHANIC ON 06/06/16. IN DOING SO HE INFORMED ME OF RECALL CAMPAIGN NUMBER 06V-028. I WAS TOLD THAT THE REMEDY IS FOR THE MANUFACTURER TO REPLACE THE CLUSTER MODULE FREE OF CHARGE AND THAT I WOULD NEED TO CALL MERCEDES BENZ CORPORATE TO SCHEDULE A REPLACEMENT. I CALLED MERCEDES AND SPOKE WITH ERIC AT EXT 7806 WITHOUT ANY SATISFACTION AT ALL. AS A MATTER OF FACT, HE DISCOURAGED ME FROM ESCALATING MY CALL TO HIS BOSS FOR 10 MINUTES BEFORE I BECAME IRATE AND DEMANDED TO SPEAK WITH A MANAGER. AT THAT POINT I SPOKE WITH CASE MANAGER JOE FROM EXT 6299. I WAS TOLD THAT IT WAS CORPORATE POLICY TO NOT GIVE OUT THEIR LAST NAMES. AFTER LENGHTLY VERBAL SPARRING THAT DIDN'T AMOUNT TO ANY SATISFACTION, I WAS TOLD THE CAMPAIGN EXPIRED IN 2013. JOE SAID HE COULD OFFER ME SOME ASSISTANCE IF I WANTED TO PURCHASE A NEW MERCED

Mileage: 90

20160525ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

TL* THE CONTACT OWNS A 2004 MERCEDES-BENZ S430. WHILE DRIVING AT APPROXIMATELY 40 MPH, THE INSTRUMENT PANEL LIGHTING FAILED TO ILLUMINATE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE INSTRUMENT PANEL CONTROL MODULE FAILED. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 06V028000 (INTERIOR LIGHTING). THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 120,000.

Mileage: 120,000

20160218LATCHES/LOCKS/LINKAGES

TL* THE CONTACT OWNS A 2004 MERCEDES BENZ S430. THE CONTACT STATED THAT AN ABNORMAL NOISE EMITTED FROM THE TRUNK OF THE VEHICLE AND THE LID FAILED TO LATCH SECURELY. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DISCOVERED THAT NHTSA CAMPAIGN NUMBER: 04V285000 (LATCHES/LOCKS/LINKAGES) WAS RELATED TO THE FAILURE BUT THE VIN WAS NOT INCLUDED IN THE RECALL. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS UNAVAILABLE.

20150109ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 2004 MERCEDES BENZ S430. THE CONTACT STATED THAT WHILE DRIVING 40 MPH, THE STOP AND TOO LOW WARNING LIGHTS ILLUMINATED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 173,000 .

Mileage: 173,000

20130812ELECTRICAL SYSTEM

I PURCHASED A CERTIFIED PRE-OWNED 2004 MERCEDES BENZ S430-4MATIC IN MARCH 2007, AFTER RETIRING. I ALSO BROUGHT AN EXTENDED WARRANTY COSTING OVER $3000 DOLLARS. I HAVE RETURNED THIS VEHICLE TO A MERCEDES BENZ DEALERSHIP FOR REPAIRS OVER APPROXIMATELY 27 TIMES SINCE PURCHASING THE VEHICLE. THE PROBLEMS INCLUDE THE ELECTRICAL SYSTEM (DOOR LOCKS); TRUNK LID LOCK, SUSPENSION SYSTEM, TIRE PRESSURE SENSORS, ENGINE AND ENGINE COOLING SYSTEM (AIR CONDITIONING SYSTEM WILL ONLY DISPENSE COLD AIR AT 55 DEGREES AND LOWER) AND MOST RECENTLY THE RADIO AND NAVIGATION SYSTEM ARE FAILING. NOW THAT THE WARRANTIES ON THE VEHICLE HAVE EXPIRED THE DEALERSHIP WILL NOT REPAIR THE ABOVE PROBLEMS UNDER WARRANTY. I FILED A COMPLAINT WITH MERCEDES BENZ USA AND I'M WAITING FOR A DECISION REGARDING THE REPAIRS TOTALING OVER $4700.00. *TR

Mileage: 29,066

20130812STEERING

I PURCHASED A CERTIFIED PRE-OWNED 2004 MERCEDES BENZ S430-4MATIC IN MARCH 2007, AFTER RETIRING. I ALSO BROUGHT AN EXTENDED WARRANTY COSTING OVER $3000 DOLLARS. I HAVE RETURNED THIS VEHICLE TO A MERCEDES BENZ DEALERSHIP FOR REPAIRS OVER APPROXIMATELY 27 TIMES SINCE PURCHASING THE VEHICLE. THE PROBLEMS INCLUDE THE ELECTRICAL SYSTEM (DOOR LOCKS); TRUNK LID LOCK, SUSPENSION SYSTEM, TIRE PRESSURE SENSORS, ENGINE AND ENGINE COOLING SYSTEM (AIR CONDITIONING SYSTEM WILL ONLY DISPENSE COLD AIR AT 55 DEGREES AND LOWER) AND MOST RECENTLY THE RADIO AND NAVIGATION SYSTEM ARE FAILING. NOW THAT THE WARRANTIES ON THE VEHICLE HAVE EXPIRED THE DEALERSHIP WILL NOT REPAIR THE ABOVE PROBLEMS UNDER WARRANTY. I FILED A COMPLAINT WITH MERCEDES BENZ USA AND I'M WAITING FOR A DECISION REGARDING THE REPAIRS TOTALING OVER $4700.00. *TR

Mileage: 29,066

20130812SUSPENSION

I PURCHASED A CERTIFIED PRE-OWNED 2004 MERCEDES BENZ S430-4MATIC IN MARCH 2007, AFTER RETIRING. I ALSO BROUGHT AN EXTENDED WARRANTY COSTING OVER $3000 DOLLARS. I HAVE RETURNED THIS VEHICLE TO A MERCEDES BENZ DEALERSHIP FOR REPAIRS OVER APPROXIMATELY 27 TIMES SINCE PURCHASING THE VEHICLE. THE PROBLEMS INCLUDE THE ELECTRICAL SYSTEM (DOOR LOCKS); TRUNK LID LOCK, SUSPENSION SYSTEM, TIRE PRESSURE SENSORS, ENGINE AND ENGINE COOLING SYSTEM (AIR CONDITIONING SYSTEM WILL ONLY DISPENSE COLD AIR AT 55 DEGREES AND LOWER) AND MOST RECENTLY THE RADIO AND NAVIGATION SYSTEM ARE FAILING. NOW THAT THE WARRANTIES ON THE VEHICLE HAVE EXPIRED THE DEALERSHIP WILL NOT REPAIR THE ABOVE PROBLEMS UNDER WARRANTY. I FILED A COMPLAINT WITH MERCEDES BENZ USA AND I'M WAITING FOR A DECISION REGARDING THE REPAIRS TOTALING OVER $4700.00. *TR

Mileage: 29,066

20130812STRUCTURE

I PURCHASED A CERTIFIED PRE-OWNED 2004 MERCEDES BENZ S430-4MATIC IN MARCH 2007, AFTER RETIRING. I ALSO BROUGHT AN EXTENDED WARRANTY COSTING OVER $3000 DOLLARS. I HAVE RETURNED THIS VEHICLE TO A MERCEDES BENZ DEALERSHIP FOR REPAIRS OVER APPROXIMATELY 27 TIMES SINCE PURCHASING THE VEHICLE. THE PROBLEMS INCLUDE THE ELECTRICAL SYSTEM (DOOR LOCKS); TRUNK LID LOCK, SUSPENSION SYSTEM, TIRE PRESSURE SENSORS, ENGINE AND ENGINE COOLING SYSTEM (AIR CONDITIONING SYSTEM WILL ONLY DISPENSE COLD AIR AT 55 DEGREES AND LOWER) AND MOST RECENTLY THE RADIO AND NAVIGATION SYSTEM ARE FAILING. NOW THAT THE WARRANTIES ON THE VEHICLE HAVE EXPIRED THE DEALERSHIP WILL NOT REPAIR THE ABOVE PROBLEMS UNDER WARRANTY. I FILED A COMPLAINT WITH MERCEDES BENZ USA AND I'M WAITING FOR A DECISION REGARDING THE REPAIRS TOTALING OVER $4700.00. *TR

Mileage: 29,066

Compare 2004MERCEDES-BENZS430 to Similar Vehicles

NHTSA Investigations

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Frequently Asked Questions

How many complaints does the 2004 MERCEDES-BENZ S430 have?
The 2004 MERCEDES-BENZ S430 has 28 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 2004 MERCEDES-BENZ S430?
The most-complained component for the 2004 MERCEDES-BENZ S430 is ELECTRICAL SYSTEM with 6 complaints. Other frequently reported areas include SUSPENSION and POWER TRAIN.
Is the 2004 MERCEDES-BENZ S430 safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Vehicle Safety Guides

Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.