2004 Mercedes Benz S430 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
18 owner complaints analyzed
0 distinct recall campaigns
78,000 mi median reported failure mileage
Scope: 2004 model year. Data snapshot: . 15 complaints include usable failure mileage.
Most common problems
Electrical System is the most frequently named component, appearing in 6 of 18 complaints (33.3%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Electrical and battery issues | 4 | 22.2% |
| Transmission and shifting | 3 | 16.7% |
| Braking behavior | 2 | 11.1% |
| Steering behavior | 1 | 5.6% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Electrical System | 6 |
| Suspension | 4 |
| Power Train | 3 |
| Vehicle Speed Control | 2 |
| Electrical System: Instrument Cluster/Panel | 1 |
| Electronic Stability Control (Esc) | 1 |
| Engine | 1 |
| Exterior Lighting | 1 |
Electrical System: 6; Suspension: 4; Power Train: 3; Vehicle Speed Control: 2; Electrical System: Instrument Cluster/Panel: 1; Electronic Stability Control (Esc): 1; Engine: 1; Exterior Lighting: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 1 |
| 25,000 to 49,999 | 2 |
| 50,000 to 74,999 | 4 |
| 75,000 to 99,999 | 3 |
| 100,000 to 149,999 | 2 |
| 150,000 and above | 3 |
Under 25,000: 1; 25,000 to 49,999: 2; 50,000 to 74,999: 4; 75,000 to 99,999: 3; 100,000 to 149,999: 2; 150,000 and above: 3
50,000 to 74,999 miles has the most reports with usable mileage (4). 3 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 3 |
| 2013 | 1 |
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 3 |
| 2019 | 2 |
| 2022 | 1 |
2009: 1; 2010: 1; 2011: 1; 2012: 3; 2013: 1; 2015: 1; 2016: 4; 2017: 3; 2019: 2; 2022: 1
Pattern summary
Electrical System leads the component reports. Electrical and battery issues appears in 4 complaint narratives. Transmission and shifting appears in 3 complaint narratives. Braking behavior appears in 2 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10274593 · 2009-06-22 (June 22, 2009)
TL*THE CONTACT OWNS A 2004 MERCEDES BENZ S430. THE DEALER STATED THAT RAIN WATER HAS BEEN LEAKING INTO THE FRONT OF THE VEHICLE, WHICH CAUSED ELECTRICAL AND COMPUTER FAILURES. A LEAK IS PRESENT UNDERNEATH THE HOOD AND WATER IS ACCUMULATING NEAR THE FLOOR MAT. THE DEALER AND MANUFACTURER STATED THAT THE CONTACT WOULD BE RESPONSIBLE FOR THE REPAIRS. THE CURRENT AND FAILURE MILEAGES WERE 60,000.
Owner-reported narrative. 60,000 miles reported. Look up ODI 10274593 at NHTSA ↗
Owner report 10534935 · 2013-08-12 (August 12, 2013)
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 AN…
Owner-reported narrative. 29,066 miles reported. Look up ODI 10534935 at NHTSA ↗
Owner report 10411558 · 2011-07-08 (July 8, 2011)
TRANSMISSION VALVE BODY NEED REPLACEMENT AFTER ENTIRE TRANSMISSION WAS REPLACED @ 50,000 MILES. *TR
Owner-reported narrative. 90,000 miles reported. Look up ODI 10411558 at NHTSA ↗
Owner report 10458809 · 2012-05-17 (May 17, 2012)
WHILE CHANGING GEARS FROM 1ST TO 2ND GEAR VEHICLE SHIFTED HARSHLY AND ENTERED INTO A LIMP MODE. ONCE AT A CERTIFIED MECHANIC THE PROBLEM WAS DISCOVERED TO BE A CONDUCTOR PLATE AND VALVE BODY WHICH HAS BEEN DISCOVERED TO BE DEFECTIVE ON MOST VEHICLES WITH 6 SPEED TRANSMISSION AND NEEDS TO BE REPLACED. *TR
Owner-reported narrative. 70,000 miles reported. Look up ODI 10458809 at NHTSA ↗
Owner report 10966174 · 2017-03-15 (March 15, 2017)
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.
Owner-reported narrative. 98,000 miles reported. Look up ODI 10966174 at NHTSA ↗
Owner report 10966175 · 2017-03-15 (March 15, 2017)
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.
Owner-reported narrative. 100,000 miles reported. Look up ODI 10966175 at NHTSA ↗