2014 Mercedes-Benz C204.9 Problems
- Complaints
- 8filed with NHTSA
- Median mileage
- 54,500miles, 6 complaints with mileage
- Recalls
- 0campaigns on record
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
- NHTSA crash rating
- 5 / 5stars overall, 2 rated versions
- EPA fuel economy
- —not in EPA data
Sources: NHTSA records for the 2014 Mercedes-Benz C204.9 (complaints, recalls, investigations), NHTSA crash tests. Report an error
NHTSA recorded 8 consumer complaints for the 2014 Mercedes-Benz C204.9. The part named most often is electrical system, with 3 complaints (38% of the total), followed by steering (3) and vehicle speed control (2). 6 of the complaints include a mileage, and 33% of those were filed for vehicles with under 50,000 miles; the median is 54,500 miles. NHTSA lists 0 recall campaigns and 21 technical service bulletins for this model year. Electrical system complaints overlap with 2 technical service bulletins filed under the same part. Steering complaints overlap with 4 technical service bulletins filed under the same part.
This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.
Which parts are reported most
Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.
- Electrical system3 38%
- Steering3 38%
- Air bags1 13%
- Engine1 13%
- Fuel system1 13%
- Body and structure1 13%
Example complaints
Electrical system: “The anti theft system failed after 59,000 miles, locke the steering wheel and won't allow the car to start. Mercedes charges 1,800 dollars to replace it.. Needs to be recalled very dangerous.”
NHTSA complaint #11372423, filed 2020-10, 59,000 milesSteering: “I can't believe I experienced that .. My car all of the sudden jerked on the freeway and started shaking . I seriously thought we had an earthquake .. Then it accelerated and the next thing you know I'm going 25 miles and hour .. So glad I was near an exit I put the car in neutral rolled down the hill , made a turn and shut it off .took me a minute to gather myself .. What if I was in a middle lane ? What if someone couldn't press the breaks in time🤦🏻‍♀️🤯😡...”
NHTSA complaint #11344258, filed 2020-08Air bags: “The company has not been able to fix the airbags of my car because of the part is not available in the local dealership. This is my second complain to the NHTSA. My first was in 2018. It is sad that a safety issue by the company is not been taken care by the company even after 2 years.”
NHTSA complaint #11351084, filed 2020-08, 55,000 milesMileage when problems were reported
33% of the 6 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 44,450 and 59,000 miles.
Complaints by year filed
Fewer than 15 complaints, too few for a reliable trend.
Crash test ratings
NHTSA's 5-Star Safety Ratings for the 2014 Mercedes-Benz C204.9. Frontal results are shown driver / passenger; rollover shows the star rating and NHTSA's estimated risk of rolling over in a single-vehicle crash.
| Version | Overall | Frontal | Side | Side pole | Rollover |
|---|---|---|---|---|---|
| C-Class · sedan AWD | ★★★★★ | 4 / 4 | 5 | 5 | 4 · 10.5% risk |
| C-Class · sedan RWD | ★★★★★ | 4 / 4 | 5 | 5 | 4 · 10.5% risk |
Driver aids listed by NHTSA for the 2014 model year: forward collision warning optional, lane departure warning not available, automatic emergency braking not available.
Neighbouring years: 2013: same overall rating. A redesign between years can change both the car and the test.
Source: NHTSA New Car Assessment Program (5-Star Safety Ratings), nhtsa.gov/ratings.
Recalls and investigations
NHTSA lists no recall campaigns for the 2014 Mercedes-Benz C204.9 in the data used here. A recall can apply to some vehicles of a model year and not others, so check a specific vehicle by VIN at nhtsa.gov/recalls.
Technical service bulletins
TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 21 on record; the latest 10 are shown.
- 10176670May 21, 2020Equipment. To enhance the satisfaction of our customers, avoid further costs of litigation and return focus to its core businesses, Mercedes-Benz USA, LLC (MBUSA) has entered into a settlement regarding claims…
- 10151999Aug 21, 2018Equipment. MB App iHeart Radio is no longer available after a head unit update
- 10151959Jul 23, 2018Seat belts. Seat belt extender toothed rack sluggish or makes noises
- 10144289Jun 20, 2018Tires, Electrical system. "Tire pressure loss detection system inoperative" message in instrument cluster in yellow.
- 10158329Oct 9, 2017Engine. Oil in engine wiring harness
- 10135757Jan 12, 2017Steering. Red display message in instrument cluster "Power Steering Malfunction - See Owner's Manual" immediately after engine start
- 10135734Jan 9, 2017Steering. AMG Performance steering wheel heavily worn/soiled
- 10136063Jun 13, 2016Transmission and drivetrain. Rattling noises in area of 2-stage turbocharger, OM651
- 10135628Oct 14, 2014Equipment. iPhone mobile phone: Various complaints after software update to iOS8
- 10136042Jun 30, 2014Back-over prevention (rear camera), Steering. Creaking noise when adjusting electrical steering column
Other model years of the Mercedes-Benz C204.9
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 2014 | 8 | 54,500 | 0 | 5 | — | — | Not enough data |
| 2013 | 5 | 68,000 | 0 | 5 | — | — | Not enough data |
All Mercedes-Benz C204.9 model years
Frequently asked questions
How many NHTSA complaints does the 2014 Mercedes-Benz C204.9 have?
NHTSA recorded 8 consumer complaints for the 2014 Mercedes-Benz C204.9 as of Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 2014 Mercedes-Benz C204.9 is reported most often?
Electrical system is named most often, in 3 complaints (38% of the total), followed by steering with 3.
Has the 2014 Mercedes-Benz C204.9 been recalled?
NHTSA lists no recall campaigns for this model year in the data used here. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
How did the 2014 Mercedes-Benz C204.9 do in NHTSA crash tests?
NHTSA's 5-Star Safety Ratings give the 2014 Mercedes-Benz C204.9 5 out of 5 stars overall, across 2 rated versions (body style and drive). Ratings from different model years are only comparable when the vehicle was not redesigned in between.
At what mileage are problems with the 2014 Mercedes-Benz C204.9 reported?
Among the 6 complaints that include a mileage, the median is 54,500 miles and the middle half falls between 44,450 and 59,000 miles; 33% were filed for vehicles with under 50,000 miles.
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. Crash ratings are from NHTSA’s New Car Assessment Program.
Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.