Total Complaints
4 filings
MERCEDES-BENZ C204.9 · model year
2012 MERCEDES-BENZ C204.9
4 NHTSA complaints. A VIN lookup is required to determine whether a specific vehicle has an unrepaired recall.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2012MERCEDES-BENZC204.9 carries 4 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
The most frequently selected component label in reports for the 2012 C204.9 is engine with 1 filings, followed by unknown or other (1) and electrical system (1). Complaint categories reflect owner reports and intake categorization; they do not establish a defect pattern or cause.
NHTSA currently has 15 investigation files overlapping the 2012 C204.9. Owners comparing this cohort against neighboring years should read the complaint-by-year trend as report volume, not a causal diagnosis. Use the related-complaint feed and the official recall lookup when researching a specific vehicle.
4
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
Complaints by Component
| Component | Count |
|---|---|
| ENGINE | 1 |
| UNKNOWN OR OTHER | 1 |
| ELECTRICAL SYSTEM | 1 |
| STEERING | 1 |
Recent Complaints
20200829ELECTRICAL SYSTEM
MY VEHICLE AND MANY OTHER MERCEDES BENZ MODELS SUFFER A FAILED ELECTRONIC IGNITION SWITCH AND ELECTRONIC STEERING LOCK. THIS IS A KNOWN DEFECT AMONGST MANY MODELS/YEARS OF MERCEDES BENZ VEHICLES AND ONLY A DEALER CAN REPAIR. THE COST OF REPAIR IS $1,900. THE CAUSES THE VEHICLES TO BE UNABLE TO START, AND VERY CLEARLY, A MANUFACTURER DEFECT.
20200829STEERING
MY VEHICLE AND MANY OTHER MERCEDES BENZ MODELS SUFFER A FAILED ELECTRONIC IGNITION SWITCH AND ELECTRONIC STEERING LOCK. THIS IS A KNOWN DEFECT AMONGST MANY MODELS/YEARS OF MERCEDES BENZ VEHICLES AND ONLY A DEALER CAN REPAIR. THE COST OF REPAIR IS $1,900. THE CAUSES THE VEHICLES TO BE UNABLE TO START, AND VERY CLEARLY, A MANUFACTURER DEFECT.
20200810UNKNOWN OR OTHER
MY VEHICLE STARTED TO PULL LEFT WHEN BRAKING. HAD ALL BRAKES REPLACED AND PULLING CONITNUED. AFTER FURTHER REVIEW, FOUND OUT THAT THE REAR CROSSMEMBER / SUB-FRAME WAS ROTTED ON THE DRIVER SIDE. WHEN BRAKING, THE REAR DRIVER SIDE WHEEL SHIFTS. YOU CAN SEE THE REAR CALIPER MOVE UP. THE PROBLEM IS THAT THE SUBFRAME IS SO ROTTED THAT IT SHIFTS THE ARMS COMING OFF OF IT (EITHER TRAILING OR TORQUE ARM), CAUSING A DANGEROUS SHIFT IN THE BRAKE/WHEEL. CALLED MERCEDES CUSTOMER SUPPORT AND ALL THEY OFFERED WAS A SMALL DISCOUNT ON THE FULL REPAIR COST, WHICH OF COURSE IS ALREADY OVERPRICED. MY VEHICLE IS 8 YEARS OLD, GARAGE KEPT, ORIGINAL OWNERS, AND ONLY HAS ABOUT 45,000 MILES ON IT. NOTHING ELSE ON THE CAR IS ROTTED. THIS IS OBVIOUSLY A QUALITY CONTROL ISSUE BY THE MANUFACTURER. UPON FURTHER REVIEW, THIS IS A COMMON PROBLEM FOR 2008-2015 MERCEDES VEHICLES.
Mileage: 45,000
20200204ENGINE
TIMING CHAIN TENSIONER ALL OIL CHANGES WERE DONE PERFECTLY WITH THE CORRECT OIL AND ORIGINAL FILTER.
Mileage: 69,000
Compare 2012MERCEDES-BENZC204.9 to Similar Vehicles
NHTSA Investigations
Frequently Asked Questions
How many complaints does the 2012 MERCEDES-BENZ C204.9 have?▼
The 2012 MERCEDES-BENZ C204.9 has 4 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 2012 MERCEDES-BENZ C204.9?▼
The most-complained component for the 2012 MERCEDES-BENZ C204.9 is ENGINE with 1 complaints. Other frequently reported areas include UNKNOWN OR OTHER and ELECTRICAL SYSTEM.
Is the 2012 MERCEDES-BENZ C204.9 safe to buy?▼
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?▼
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.
Vehicle Safety Guides
Data vintage: August 2026. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Every figure on PlainCars is rendered directly from NHTSA complaint and safety data, no number is typed in by an editor. This year-specific record is rendered from NHTSA ODI, recall, and NCAP rows for the 2012 MERCEDES-BENZ C204.9; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.
Read our methodology - how this data is sourced, computed, and verified.