IllustrationVEHICLE HAS ELECTRICAL SHORT WHICH DRAINS BATTERY FAULTY FUSE BOXES. *TR
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.
About this comparison →How this year compares
Owner complaints by model year
Compare all S430 years →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
10–25K
025–50K
750–75K
675–100K
7100–150K
3150K+
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 reportsTL* THE CONTACT OWNS A 2003 S430 MERCEDES BENZ. THE PLASTIC COVER FOR THE HEAD LIGHT BULB MELTED . THE DEALER CONTACTED THE MANUFACTURER REQUESTING ASSISTANCE WITH THE REPAIR COST OF $500.00. THE MANUFACTURER HAS NOT RESPONDED. SHE ALSO EXPERIENCED FAILURE WITH THE BATTERY. THE DEALER REPLACED THE BATTERY, BUT IT CONTINUED TO …
Read full complaint
TL* THE CONTACT OWNS A 2003 S430 MERCEDES BENZ. THE PLASTIC COVER FOR THE HEAD LIGHT BULB MELTED . THE DEALER CONTACTED THE MANUFACTURER REQUESTING ASSISTANCE WITH THE REPAIR COST OF $500.00. THE MANUFACTURER HAS NOT RESPONDED. SHE ALSO EXPERIENCED FAILURE WITH THE BATTERY. THE DEALER REPLACED THE BATTERY, BUT IT CONTINUED TO DISCHARGE. SHE TOOK THE VEHICLE BACK TO THE DEALER, BUT THE TECHNICIAN WAS UNABLE TO DETERMINE THE CAUSE OF THE FAILURE. ADDITIONALLY SHE CANNOT READ ANY OF THE GAUGES OR DISPLAY ON THE INSTRUMENT CONTROL PANEL. THE FAILURE AND CURRENT MILEAGES WERE 1,700. UPDATED 1/25/10 *CN THE CONSUMER WAS INFORMED THAT THE PLASTIC MELTING ON BOTH HEAD LIGHTS WAS A FACTORY DEFECT. AFTER THE INSTRUMENT PANEL WAS INSTALLED, THE BATTERY CONTINUED TO DIE. UPDATED 01/26/10
Official recalls
0No 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
0No exact-year investigations in this snapshot.