2024 Mercedes-Benz C300Problems, recalls & complaints

NHTSA has logged 11 owner complaints about the 2024 Mercedes-Benz C300, most often about the electrical system. It is covered by 3 safety recalls, and for recall 25V-253 the manufacturer reports only 85% of affected cars repaired.

2024 Mercedes-Benz C300

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through July 19, 2026. Updated daily. Photo: Harvey Bold, CC BY 4.0.

Complaints by system

Where the 2024 Mercedes-Benz C300 has problems

11 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
Electrical system40
Service brakes31
Engine20
Air bags21
Vehicle speed control10
Back over prevention10
Forward collision avoidance11
Power train11
Seats10

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

3 recalls

2024 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.

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 →

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 →

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

2024 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 electrical system complaints filed with NHTSA, shortened. Personal details are removed.

While I am driving my car it will make a loud crackling sound then my screens go black and warning sounds go off! This is not normal and I read there are recalls but when I entered my vin# nothing came up. Not to mention since I bought the car last February, I have had nothing but issues with my AC…
Complaint 11749373 · Jul 9, 2026
On Friday [XXX] at approximately [XXX]. My wife and I were driving our 2024 C-Class 300 (~8,000 miles on this vehicle) on [XXX] and entering the intersection of [XXX]. Riverside, CA 92506 when all of sudden the car just died (the engine stopped running, pushing the gas pedal with no power) and all…
Complaint 11692765 · Oct 11, 2025
I was driving and all of a sudden a loud sound started occurring and the sound appeared to come from my breaks as if they were about to give out. The car is currently at Mercedes getting looked at. I’m concerned for my safety as I have taken this car in for two other issues in the last couple of…
Complaint 11594999 · Jun 18, 2024

Own a 2024 C300?

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