YearToAvoid

2019 Mercedes-Benz C300 Problems, Recalls & Reliability

Verdict

Good

Complaint Index

33/100

#11 most-complained of 16 C300 years

Based on NHTSA complaints per model-year, not a reliability rating. Methodology

The 2019 Mercedes-Benz C300 has 69 owner complaints and 17 safety recalls on file with NHTSA. Its Complaint Index is 33 out of 100 — #11 highest of 16 C300 model years (verdict: Good). The most reported problem area is engine (18 complaints, 26% of the total). Complaints report 3 crashes and 1 injury.

Complaints
69
Recalls
17
Crashes / fires
3 / 0
Injuries / deaths
1 / 0
NHTSA overall rating
Not rated
EPA combined MPG
25
22 city / 31 hwy

Top 2019 Mercedes-Benz C300 problems

NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.

  1. Engine18 (26%)
  2. Electrical System14 (20%)
  3. Fuel System12 (17%)
  4. Other10 (14%)
  5. Structure & Body7 (10%)
  6. Brakes6 (9%)
  7. Transmission & Powertrain6 (9%)
  8. Collision Avoidance & Cameras5 (7%)
  9. Seat Belts5 (7%)
  10. Steering5 (7%)
2019 Mercedes-Benz C300 complaints: complaints filed per quarter102019 Q12020 Q12021 Q12022 Q12023 Q42024 Q42025 Q4
92 complaints filed with NHTSA from 2019 Q1 to 2026 Q3; peak 2026 Q3 (10).

2019 Mercedes-Benz C300 recalls

17 NHTSA recall campaigns list this model year.

  1. NHTSA 23V854000Dec 15, 2023Structure & Body2,976 vehicles

    Structure:body:roof and pillars

    Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2014-2020 C-Class, CLA, GLA, S-Class, GLC, and GLE vehicles. Please refer to MBUSA's recall report for specific vehicle details. The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair, allowing the front panel to detach from the vehicle.

    Risk: A detached roof panel can become a road hazard, increasing the risk of a crash.

    Remedy: Dealers will replace the front panel, free of charge. Owner notification letters were mailed on August 2, 2024. Owner notification letters will be mailed in phases, on, March 22,2024, and August 2, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of NHTSA recall number 21V-197.

  2. NHTSA 22V365000May 20, 2022Electrical System242,722 vehiclesOver-the-air fix

    Electrical system:software

    Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. An error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) system.

    Risk: A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.

    Remedy: The communication module software will be updated through an Over-the-Air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers are for this recall is 2022060005 and 2023110006.

  3. NHTSA 22V232000Apr 8, 2022Collision Avoidance & Cameras126,443 vehicles

    Back over prevention:display function

    Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018-2021 CLA-Class, GLE/GLS-Class, A-Class, C-Class, E-Class, E-Class Coupe/Convertible, GLA/GLB-Class, GLC-Class, and CLS-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The rearview camera may not display the rearview image due to a software error. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

    Risk: An inoperable rearview camera display reduces the driver's rear view, increasing the risk of a crash.

    Remedy: Dealers will update the rearview camera software, free of charge. Owner notification letters were mailed July 15, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022060007.

See all 17 recalls for the 2019 Mercedes-Benz C300 →

2019 Mercedes-Benz C300 fuel economy and fuel cost

City
22 MPG
Highway
31 MPG
Combined
25 MPG
Annual fuel cost (EPA)
$3,200
15,000 mi/yr
Fuel
Premium
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2019 compared with other C300 years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100’10’11’12’13’14’15’16’17’18’19’20’21’22’23’24’25
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2017Caution732161526
2018Good40991825
2019Good33691725
2020Good4733925
2021Best714726.5

All Mercedes-Benz C300 years: best and worst →

Frequently asked questions

Is the 2019 Mercedes-Benz C300 a reliable year?
Judged by NHTSA owner complaints and recalls, the 2019 Mercedes-Benz C300 ranks #11 of 16 among C300 model years (Complaint Index 33/100, verdict: Good). It has 69 complaints and 17 recalls on file. This reflects reported safety-related problems, not an overall reliability rating.
What are the most common problems with the 2019 Mercedes-Benz C300?
The most reported problem areas are engine (18 complaints), electrical system (14 complaints), and fuel system (12 complaints). The median mileage at the time of failure in complaints that report it is 22,626 miles.
Does the 2019 Mercedes-Benz C300 have any recalls?
Yes — NHTSA lists 17 recall campaigns for the 2019 Mercedes-Benz C300, most recently reported 2023, covering structure & body, electrical system, collision avoidance & cameras, and fuel system.
What is the fuel economy of the 2019 Mercedes-Benz C300?
EPA rates the 2019 Mercedes-Benz C300 at 25 MPG combined (22 city / 31 highway), with an estimated annual fuel cost of $3,200. Where several configurations exist, the median is shown.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.