Mercedes Benz C 300 4MATIC problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
12 owner complaints analyzed
3 distinct recall campaigns
54,000 mi median reported failure mileage
Scope: 2018 to 2018 model years. Data snapshot: . 2 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Structure:Body is the most frequently named component, appearing in 3 of 12 complaints (25.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 1 | 8.3% |
| Electrical and battery issues | 1 | 8.3% |
| Steering behavior | 1 | 8.3% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Structure:Body | 3 |
| Unknown Or Other | 3 |
| Engine | 2 |
| Structure:Body:Roof And Pillars | 2 |
| Air Bags | 1 |
| Communication | 1 |
| Electrical System | 1 |
| Seat Belts | 1 |
Structure:Body: 3; Unknown Or Other: 3; Engine: 2; Structure:Body:Roof And Pillars: 2; Air Bags: 1; Communication: 1; Electrical System: 1; Seat Belts: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 1 |
| 50,000 to 74,999 | 1 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 0; 25,000 to 49,999: 1; 50,000 to 74,999: 1; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
25,000 to 49,999 miles has the most reports with usable mileage (1). 10 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2018 | 1 |
| 2021 | 1 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 6 |
2018: 1; 2021: 1; 2023: 1; 2024: 2; 2025: 1; 2026: 6
Pattern summary
Structure:Body leads the component reports. Braking behavior appears in 1 complaint narratives. Electrical and battery issues appears in 1 complaint narratives. Steering behavior appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11733648 · 2026-04-24 (April 24, 2026)
When I decelerate my brake lights don’t flash to warn the driver behind me that I am potentially slowing down .
Owner-reported narrative. Look up ODI 11733648 at NHTSA ↗
Owner report 11418776 · 2021-05-27 (May 27, 2021)
The contact owns a 2018 Mercedes-Benz C300 4matic. The contact received notification of NHTSA Campaign Number: 21V058000 (Communication, Electrical System) however, the part to do the recall repair was not yet available. The local dealer was contacted and stated that the equipment needed to perform the repair was not available. The manufacturer was contacted and informed the contact that the repair was an over-the-air software update. The vehicle was not yet repaired, nor was there any way to confirm that the software update was completed. The …
Owner-reported narrative. 49,000 miles reported. Look up ODI 11418776 at NHTSA ↗
Owner report 11613561 · 2024-09-09 (September 9, 2024)
car has less than 34,000 miles on it. One day went to drive and the vehicle wouldn't turn and an error message popped up "power steering malfunction, check owners manual" Had it towed to dealer and they said they couldn't find anything wrong with it. According to the dealer, no sign of wear and tear, no physical damage,
Owner-reported narrative. Look up ODI 11613561 at NHTSA ↗
Recalls by model year
All campaigns in the snapshot affecting each model year, including recalls announced years later.
Recall campaigns
Shared campaigns appear once in each affected model year.
| Category | Count |
|---|---|
| 2018 | 3 |
2018: 3
Year-by-year records
| Model year | Complaints | Recalls | Change in recalls |
|---|---|---|---|
| 2018 | 12 | 3 | Not available |