2003 Mercedes-Benz S430 Suspension Problems
- Complaints
- 4about this part
- Share
- 15%of 26 total for the year
- Median mileage
- 90,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the suspension of the 2003 Mercedes-Benz S430, 15% of the 26 complaints for this model year. Where a mileage was given, the median is 90,500 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“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. …”
NHTSA complaint #10893718, filed 2016-08“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). …”
NHTSA complaint #10494993, filed 2013-01, 113,000 milesSuspension: other model years
Other parts of the 2003 Mercedes-Benz S430
12 complaintsExterior lighting
3 complaintsSeat belts
3 complaintsEngine
2 complaintsOther or unknown
2 complaintsTransmission and drivetrain
2 complaintsAir bags
1 complaintsElectronic stability control
1 complaintsEquipment
1 complaintsSeats
1 complaintsSteering
1 complaintsBody and structure
1 complaints
← All problems reported for the 2003 Mercedes-Benz S430
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology