2004 Mercedes-Benz S500 Engine Problems
- Complaints
- 1about this part
- Share
- 8%of 12 total for the year
- Median mileage
- 93,000miles
- 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 S500, 8% of the 12 complaints for this model year. Where a mileage was given, the median is 93,000 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.
“Systematic water intrusion by air cowl disabled electronics while driving and also long term caused a health issue respiratory neurological - two years homebound after was finally diagnosed w/unknown cancer”
NHTSA complaint #11054140, filed 2017-12, 93,000 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 S500
6 complaintsBrakes
3 complaintsSuspension
3 complaintsAir bags
2 complaintsEquipment
2 complaintsExterior lighting
2 complaintsSteering
2 complaintsInterior lighting
1 complaintsSeat belts
1 complaintsWheels
1 complaints
← All problems reported for the 2004 Mercedes-Benz S500
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