2018 Mercedes-Benz C 300 4MATIC Suspension Problems
- Complaints
- 1about this part
- Share
- 8%of 12 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the suspension of the 2018 Mercedes-Benz C 300 4MATIC, 8% of the 12 complaints for this model year.
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.
“2018 Mercedes C300 - a hole rusted through the rear subframe causing structural safety concerns. This car has been routinely washed weekly and the frame should not have rusted through within only 8 years. This also led to a large repair bill.”
NHTSA complaint #11752562, filed 2026-07Related service bulletins
- 11032736May 15, 2026The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is no…
- 10217154Jul 11, 2022Complaint Thumping noise on rear axle shock absorber on rough road. Cause Until now the rear axle shock absorber support bushing was only available together with the rear axle…
Suspension: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2018 | 1 | 8% |
Other parts of the 2018 Mercedes-Benz C 300 4MATIC
4 complaintsBody and structure
4 complaintsEngine
2 complaintsAir bags
1 complaintsElectrical system
1 complaintsSeat belts
1 complaintsSteering
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2018 Mercedes-Benz C 300 4MATIC
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 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