2023 Mercedes-Benz C300Problems, recalls & complaints

NHTSA has logged 22 owner complaints about the 2023 Mercedes-Benz C300, most often about the forward collision avoidance. It is covered by 9 safety recalls, and for recall 25V-253 the manufacturer reports only 85% of affected cars repaired.

2023 Mercedes-Benz C300

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through July 24, 2026. Updated daily. Photo: Harvey Bold, CC BY 4.0.

Complaints by system

Where the 2023 Mercedes-Benz C300 has problems

22 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Forward collision avoidance100
Electrical system50
Service brakes52
Tires20
Engine20
Fuel/propulsion system10
Structure10
Power train11
Visibility/wiper10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

9 recalls

2023 Mercedes-Benz C300 recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

92%repaired · 2026 Q3

Wiring: fuses and circuit breakers

Recall 25V-255 · May 12, 2025 · 443 vehicles · 406 repaired

Risk. An incorrect fuse box can result in a sudden loss of drive power or a loss of critical safety functions such as the restraint systems or instrument cluster,…

Problem, fix and repair progress →

85%repaired · 2026 Q3

Seat belts: front

Recall 25V-253 · May 2, 2025 · 46 vehicles · 39 repaired

Risk. A loose seat belt may not properly restrain an occupant during a crash, increasing the risk of injury.

Problem, fix and repair progress →

91%repaired · 2026 Q2

Wiring: fuses and circuit breakers

Recall 24V-446 · Jun 14, 2024 · 1,058 vehicles · 959 repaired

Risk. An overheated wire can cause a fire and a sudden loss of drive power, increasing the risk of a crash.

Problem, fix and repair progress →

Show 5 more recalls
96%repaired · 2026 Q1

Wiring: fuses and circuit breakers

Recall 24V-115 · Feb 16, 2024 · 31,848 vehicles · 30,692 repaired

Risk. An 80-Amp fuse that fails can result in a sudden loss of drive power or a loss of critical safety functions such as the restraint systems or instrument…

Problem, fix and repair progress →

93%repaired · 2025 Q2

Electrical system: wiring

Recall 23V-463 · Jun 30, 2023 · 1,558 vehicles · 1,453 repaired

Risk. An overheated wiring harness can increase the risk of a fire.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercedes-Benz.

Best & worst years

2023 vs. every other C300 year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the C300 median. How we score

'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25'26
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
In owners' words

What C300 owners report

Recent forward collision avoidance complaints filed with NHTSA, shortened. Personal details are removed.

The contact owns a 2023 Mercedes-Benz C300. The contact stated that on occasion while driving at various speeds, the vehicle unexpectedly stopped without the brake pedal being depressed. There were no warning lights illuminated. The vehicle was diagnosed twice by the local dealer, and the contact…
Complaint 11680376 · Aug 13, 2025 · 28,000 miles
On 4 different occasions car brake assist activated causing car to come to an immediate stop and jerk. At stop light as I started to accelerate a left turn car came to an immediate stop almost causing the car behind hit rear end. Brake assist light activated. This happened twice. And twice when in…
Complaint 11674663 · Jul 18, 2025
This car has the driver assistance package including Active Speed Limit Assist which is supposed to automatically adjust the speed of the vehicle based on detected speed limits. However, it gets the speed limit wrong an excessive amount of the time sometimes resulting in the car suddenly…
Complaint 11612912 · Sep 5, 2024

Own a 2023 C300?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.