2004 Mercedes-Benz S430 Engine Problems
- Complaints
- 1about this part
- Share
- 6%of 18 total for the year
- Median mileage
- 98,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine of the 2004 Mercedes-Benz S430, 6% of the 18 complaints for this model year. Where a mileage was given, the median is 98,000 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.
“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.”
NHTSA complaint #10966174, filed 2017-03, 98,000 milesRelated service bulletins
- 11017039Apr 1, 2025Complaint Vehicle with atypical reduced heat output. Cause Silicate granulate may have escaped from a damaged bag in the expansion reservoir (not visible), reducing the coolant…
Engine: other model years
Other parts of the 2004 Mercedes-Benz S430
7 complaintsSuspension
4 complaintsTransmission and drivetrain
4 complaintsBody and structure
2 complaintsVehicle speed control
2 complaintsBrakes
1 complaintsElectronic stability control
1 complaintsExterior lighting
1 complaintsFuel system
1 complaintsLatches, locks and linkages
1 complaintsOther or unknown
1 complaintsSteering
1 complaints
← All problems reported for the 2004 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