2003 Mercedes Benz S430
Only 26 complaints on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 26 complaints on file — too few for a fair verdict. The data below is complete but unranked.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 2000 | 23 |
| 2001 | 73 |
| 2002 | 31 |
| 2003 | 26 |
| 2004 | 18 |
| 2005 | 11 |
| 2006 | 12 |
KNOWN PROBLEM AREAS
Only 26 complaints on file for this model year -- too few to rank by share. Raw counts only, below.
11 of 26 total reports mention: electrical system.
FIREShow complaint excerpts
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.
NHTSA ODI report, 20120424
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.
NHTSA ODI report, 20180310
4 of 26 total reports mention: suspension.
3 of 26 total reports mention: seat belts.
Show complaint excerpts
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.
NHTSA ODI report, 20120725
TL*THE CONTACT OWNS A 2003 MERCEDES BENZ S430. THE SEAT BELTS ARE LOCKED AND WOULD NOT RELEASE WHEN THE DRIVER AND PASSENGER ATTEMPTED TO ADJUST THEM. THE DEALER STATED THAT THIS FAILURE OCCURRED FREQUENTLY AND WILL REPLACE THE SEAT BELTS FOR $1200.
NHTSA ODI report, 20090821
TL*THE CONTACT OWNS A 2003 MERCEDES BENZ S430. THE SEAT BELTS ARE LOCKED AND WILL NOT RELEASE WHEN THE DRIVER AND PASSENGER ATTEMPTED TO ADJUST THEM. THE FAILURE MILEAGE WAS AT 95000.
NHTSA ODI report, 20090821
2 of 26 total reports mention: power train.
2 of 26 total reports mention: exterior lighting.
Show complaint excerpts
INSTRUMENT CLUSTER WENT BLANK NOTHING WORKS IN CLUSTER.DRIVINGHOUR OR TWO WENT BLANK NO REASON
NHTSA ODI report, 20180128
SAFETY TIMELINE
No recalls on file for this model year.
BUY-SMART CHECKLIST
2003 Mercedes Benz S430 — pre-purchase inspection
- Test/inspect for electrical system issues (11 reports on file for this year).
- Test/inspect for suspension issues (4 reports on file for this year).
- Test/inspect for seat belts issues (3 reports on file for this year).
FAQ
Is the 2003 Mercedes Benz S430 reliable?
There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 2003 Mercedes Benz S430?
The most-reported component is electrical system, accounting for 42% of complaints on file.
How many recalls does the 2003 Mercedes Benz S430 have?
No recalls are on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.