2014 Mercedes-Benz C300Problems, recalls & complaints

NHTSA has logged 94 owner complaints about the 2014 Mercedes-Benz C300, most often about the air bags. It is covered by 5 safety recalls, and for recall 17V-252 the manufacturer reports only 78% of affected cars repaired.

2014 Mercedes-Benz C300

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through February 23, 2026. Updated daily. Photo: SsmIntrigue, CC BY-SA 4.0.

Complaints by system

Where the 2014 Mercedes-Benz C300 has problems

94 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
Air bags523
Steering131
Suspension110
Electrical system90
Structure90
Vehicle speed control33
Wheels20
Seats20
Service brakes20
6 other systems70

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

5 recalls

2014 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.

78%repaired · 2021 Q1

Communication

Recall 19V-787 · Nov 1, 2019 · 24,226 vehicles · 18,993 repaired

Risk. An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.

Problem, fix and repair progress →

82%repaired · 2026 Q3

Passenger side: inflator module

Recall 19V-010 · Jan 9, 2019 · 288,779 vehicles · 237,356 repaired

Risk. An inflator explosion may result in sharp metal fragments striking the passenger or other occupants resulting in serious injury or death.

Problem, fix and repair progress →

81%repaired · 2019 Q4

Air bags: frontal

Recall 17V-627 · Oct 6, 2017 · 495,290 vehicles · 402,593 repaired

Risk. If the driver air bag inadvertently deploys, it can increase the risk of injury and a crash.

Problem, fix and repair progress →

Show 1 more recall
86%repaired · 2018 Q3

Frontal: sensor/control module-inactive

Recall 17V-177 · Mar 14, 2017 · 51 vehicles · 44 repaired

Risk. If the air bags do not deploy as intended in the event of a crash, there would be an increased risk of injury in the event of a crash.

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

2014 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
1 investigation

NHTSA defect investigations

Federal investigations that included the 2014 Mercedes-Benz C300, and the recalls they led to.

  1. Desiccated Air Bag Inflator RuptureEA21002 · still open
    Open
In owners' words

What C300 owners report

Recent air bags complaints filed with NHTSA, shortened. Personal details are removed.

I purchased my vehicle from the Mercedes Benz Dealership and received a recall letter in the mail stating that driver side deployment may occur. After receiving notice I brought the car to the dealership to get the recall repaired. I've been driving around with a false sense of security believing…
Complaint 11609790 · Aug 20, 2024
While I was driving my car the driver side airbag abruptly deployed. The airbag inadvertently deployed; the car did not crash into anything to cause the airbag to deploy. When the airbag erupted it caused injury to my head, face, hand, arm and wrist. I believe the airbag is defective because I have…
Complaint 11598400 · Jul 2, 2024
I received a notice several years ago for the airbag to be replaced due to a recall. Mercedes-Benz has not been able to remedy this issue for years. I have called for several years, but the Mercedes dealer near me continues to state that the airbag part is not available. I called Mercedes hotline…
Complaint 11496301 · Dec 6, 2022

Own a 2014 C300?

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