NHTSA lists 3 complaints for the 2024 Mercedes-Benz C 300 4MATIC, 0 of them mention a crash and 0 mention a fire. 0 complaints mention an injury, with 0 injuries and 0 deaths reported.
Data build 2026-10-09.
NHTSA lists this vehicle as MERCEDES-BENZ C 300 4MATIC.
Complaints per 100k sold unavailable. No sales source is available for this record.
| System | Complaints | Share of this vehicle's complaints |
|---|---|---|
| ELECTRICAL SYSTEM | 1 | 33.3% |
| ENGINE | 1 | 33.3% |
| EXTERIOR LIGHTING | 1 | 33.3% |
| LANE DEPARTURE | 1 | 33.3% |
| SERVICE BRAKES | 1 | 33.3% |
| SUSPENSION | 1 | 33.3% |
| System | Subsystem | Complaints |
|---|---|---|
| LANE DEPARTURE | BLIND SPOT DETECTION | 1 |
One complaint can name several systems, so shares can add to more than 100 percent.
These labels are model-generated, not NHTSA data.
| Label | Count | Share of tagged | Mean confidence |
|---|---|---|---|
| electrical electronic | 1 | 33.3% | 1.00 |
| loss of control | 1 | 33.3% | 0.99 |
| mechanical failure | 1 | 33.3% | 0.89 |
| Label | Count | Share of tagged | Mean confidence |
|---|---|---|---|
| moderate | 2 | 66.7% | 0.97 |
| high | 1 | 33.3% | 0.73 |
Model: typesafe/jev-1.13-20260917; schema version: tag-v1. 3 tagged complaints of 3 complaints (100.0%).
Confidence is the model's own probability for the label it chose (0 to 1), not accuracy.
Model-generated labels on tagged complaints only. Model years 2013 and newer are tagged in full; 2012 in part (see tagged_share); earlier model years have no tags. NHTSA's own flags remain separate in the complaints block.
See new recalls and investigations this week.
0 recalls.
0 investigations; 0 open.
110 manufacturer communications.
| System | Count |
|---|---|
| ELECTRICAL SYSTEM | 57 |
| POWER TRAIN | 16 |
| STRUCTURE | 9 |
| STEERING | 8 |
| SUSPENSION | 8 |
| VISIBILITY/WIPER | 8 |
| EXTERIOR LIGHTING | 5 |
| UNKNOWN OR OTHER | 5 |
Date: 2026-09-26. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
Complaint Customer complaints relating to automatic transmission 725.0 (NAG3 Classic /9Ga TRONIC automatic transmission) and 725.1 (NAG3 facelift/9Ga TRONIC automatic transmission facelift) For faster, more effective and more targeted diagnosis, Intelligent Predictive Repair (IPR) has been develop
Date: 2026-09-26. Type: Service Bulletin/Repair Instructions. Systems: STEERING.
Complaint Slight creaking noises when steering. Cause Noises may come from one or more sleeves of the horn contact plate. Remedy Remove the horn contact plate and check the sleeves for noise; see attached video. If necessary, apply lubricant to the sleeves.
Date: 2026-09-25. Type: Service Bulletin/Repair Instructions. Systems: VISIBILITY/WIPER.
Complaint CEL illuminates and/or AC does not blow cold. Cause Potentially relevance to hardware and/or software Remedy Scenario 1: 1. If the AC does not blow cold air, replace compressor (if compressor's index and part number Figure 1 match against Table 1). a. If the compressor does not fall within
Date: 2026-09-22. Type: Service Bulletin/Repair Instructions. Systems: SERVICE BRAKES.
Complaint Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE: Although the symptom is similar to a tire or wheel vibration, it is usually readily noticeable that it is distinctly different if it happens at all times or only while braking. Cause Although the cause of the vibra
Date: 2026-09-18. Type: Other. Systems: POWER TRAIN, STRUCTURE, SUSPENSION, VISIBILITY/WIPER.
Dear Dealer Partners, The 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 Thursday, October 8th, 2026. After October 8th, we will no longer accept returns of these parts. These par
Date: 2026-09-17. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
Complaint Issue after OTA Update IC Odometer Reading blank("_ _ _ _") IC Maintanence data unavailable Cause OTA Update E61.0 Remedy In the IC Control Unit Log, please check the following information: Verify whether DTCs B228229, B228287, and B226656 are present in either A or A+S. Verify that Status
Date: 2026-09-15. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
Complaint Radio station cover art does not refresh when switching stations. The UI continues to show the old stationa s artwork instead of updating to the new one. Cause When a new station change request is triggered, a temporary glitch is causing the Head Unit application to fail to overwrite the
Date: 2026-09-14. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
Complaint Whining / humming noises (described as foghorna like) from the drivetrain in the rear axle area during cornering. (figure 1) On the abovea mentioned vehicles with a mileage up to 15,000 km (about 9,300 mi), noises can occur from the rear axle differential. Cause Drivetrain resonance caus
Date: 2026-09-14. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
Complaint Only vehicles with a variable transfer case are affected. This can be identified through control unit N45 or N15/7 in the quick test. When accelerating with light load, vibrations or jolting sensation may come from the drivetrain. It may be mistaken for a harsh shift. Cause Modified oil qu
Date: 2026-09-11. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
Complaint Traffic sign symbol for "Traffic Sign Assist" is blinking in instrument cluster without obvious cause usually with one of the following scenarios: a ? Flashing without a speed limit ("a a "). a ? Flashing when current vehicle speed is under speed limit. a ? Flashing between US speed lim
None listed.
| NHTSA model label | Complaints |
|---|---|
| C 300 4MATIC | 3 |
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