CarRecallWatchThe 2019 Mercedes-Benz C 300 has 17 safety recalls on file with NHTSA.
Owners have filed 69 complaints with NHTSA, including 3 crashes, 1 injury.
The most-reported problem area is Engine (17 reports).
2019 Mercedes-Benz C 300 recalls
Front Roof Panel May Detach, Creating Crash Risk
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.
Emergency call system may fail to connect in a crash
A software error in the communication module's SIM card can cause a mobile network connection failure.
Rearview camera may show no image, raising crash risk
The rearview camera may fail to display the rear view because of a software error.
Fuel leak could cause engine fire
Particles may have been trapped between the fuel rail and the fuel injectors during manufacturing, which can cause fuel to leak from the fuel system.
Misaligned LED headlights may reduce nighttime visibility
Some vehicles may have had their LED headlights incorrectly adjusted during a repair.
Front roof panel may detach while driving, creating a crash hazard
The front roof panel, located between the windshield and the panoramic sunroof, may not have been bonded correctly to the vehicle during a previous repair.
Emergency call system may be disabled, delaying crash help
Some 2017 to 2021 Mercedes-Benz vehicles may have had their communication module inadvertently deactivated during a service visit.
Crash Alert May Send Responders to Wrong Location
Certain 2016-2017 Mercedes-Benz vehicles have a software problem in the communication module that runs the automatic crash notification (eCall) system.
Front seat belts may not fully retract, raising injury risk
Certain Mercedes-Benz C300, AMG C43, and AMG C63 vehicles may have front seat belts that do not fully retract to their stowed position.
Center console lid may open in a rear-end crash
The center console lock on certain 2019 Mercedes-Benz C 300 vehicles may not lock properly.
Seat Belt Warning May Not Sound or Blink When Unbuckled
Some Mercedes-Benz vehicles that previously had their instrument cluster replaced may have software that does not properly run the front seat belt warning.
Loose Battery Bracket Can Cut Power After a Crash
The 12-volt battery mounting bracket in certain vehicles may not be secured properly.
Software Error Can Disable Automatic Emergency Braking
A software error in the radar sensor control unit may impair the Active Brake Assist system.
Parking Brake May Not Release Unless Stability Control Is Off
On certain 2019 Mercedes-Benz C-Class vehicles, the Electronic Stability Program (ESP) software can keep the electronic parking brake from releasing after you park, exit the car, and return to it.
Steering May Lock in One Position, Raising Crash Risk
A locknut in the steering rack may break under high load, which could cause the steering to become stuck in one position.
Seat Belt May Not Tighten in a Crash, Raising Injury Risk
Certain 2019 Mercedes-Benz vehicles may have a seat belt buckle that can incorrectly detect a properly fastened belt as unfastened.
Engine May Stall While Driving, Raising Crash Risk
A software fault in the Central Powertrain Controller (CPC), the control unit that manages the engine, can cause it to reset while the vehicle is being driven.
Most common 2019 Mercedes-Benz C 300 problems
Problem areas named in the 69 complaints owners filed with NHTSA.
| Problem area | Reports |
|---|---|
| Engine | 17 |
| Electrical System | 13 |
| Unknown Or Other | 8 |
| Fuel/Propulsion System | 7 |
| Structure | 7 |
| Service Brakes | 6 |
| Power Train | 6 |
| Steering | 5 |
| Seat Belts | 5 |
| Fuel System, Gasoline | 5 |
What owners report
The factory infotainment system (Mercedes NTG 5.5 head unit) displays Android Auto incorrectly. Instead of using the full width of the center display, Android Auto is cropped into a reduced window on the right side of the screen. The remaining roughly one-third of the screen shows a static logo with no function. Apple CarPlay on the same head unit and screen displays correctly at full width. This indicates a software or integration defect specific to Android Auto, not a hardware or display failure. Safety risk: Because navigation is pushed to the far right edge of the display and shrunk, the driver has to turn their head and eyes further from the road, and for longer, to read the map, turn
The M264 2.0L engine suffered a catastrophic internal failure. While making a left turn at an intersection, the vehicle suddenly shut off and stalled, leaving the car stranded in active traffic and creating an immediate safety risk. Prior to the shutdown, the check engine light came on accompanied by severe shaking and misfires. The vehicle was inspected by an authorized dealership service center, which confirmed complete engine failure. Mercedes-Benz issued a 15-year/150,000-mile extended warranty for the M264 exhaust valve and cylinder head assembly, but warranty coverage was refused because the cylinder defect progressed to total engine destruction. The vehicle remains available for inspe
The vehicle experienced a severe safety issue involving a sudden loss of motive power in active traffic. 1. Initial Symptoms & Diagnosis: Recently, the Check Engine Light illuminated. Although the light turned off before my scheduled appointment, I still brought the vehicle to an authorized Mercedes-Benz dealership for a safety inspection. 2. Dealer Confirmation: The dealership inspected the vehicle and diagnosed an internal electrical fault with the engine oil control valve and harness. They recommended replacing the parts. Because the vehicle seemed to be running fine and the dealer did not warn me that it was unsafe to drive, I drove the vehicle home to consider the repair. 3. Critical
Shifting gears when stopped and the car lunged forward while I was stopped at a red light. I almost hit the car in front of me at the red light. Very rough gear changes and changing out of the correct gear to the wrong one and then back into another one. Severe speed changes - jerking the car back or it lunges forward, while driving results in loss of reasonable control of the vehicle and inability to to shift correctly out of traffic. Mercedes benz has a technical service bulletin on this problem and is aware that the 9G-Tronic - internally designated as the 725 transmission (fault code P07B700) is defective and known to experience sudden pressure sensor failures or valve body faults withi
Throttle body and accelerator pedal position sensors failed. Component is available for inspection upon request. Independent service center confirmed failure on 1/3/2026 with 6 stored fault codes: P2101, P0122, P0222, P0123, P0223, P2135. Vehicle shuts off while driving without warning at various speeds. Loss of power steering and power brakes occurs when engine stalls, creating immediate risk of crash, injury or death to occupants and other drivers. Manufacturer customer service confirmed in writing 4 times that engine shutting off while driving is a safety issue and that these exact codes match Service Campaign 2022090005. On 1/7/2026, manufacturer denied campaign applies to this vehicle
2019 Mercedes-Benz C 300 questions
Does the 2019 Mercedes-Benz C 300 have any recalls?
Yes. NHTSA lists 17 safety recalls for the 2019 Mercedes-Benz C 300: Front Roof Panel May Detach, Creating Crash Risk; Emergency call system may fail to connect in a crash; Rearview camera may show no image, raising crash risk; Fuel leak could cause engine fire; Misaligned LED headlights may reduce nighttime visibility. Recall repairs are normally free at an authorized dealer.
What are the most common problems with the 2019 Mercedes-Benz C 300?
Based on 69 owner complaints filed with NHTSA, the most-reported problem areas are Engine (17), Electrical System (13), Unknown Or Other (8).
How do I check if a recall on my 2019 Mercedes-Benz C 300 has been fixed?
Enter your 17-character VIN in our VIN recall check. It shows open recalls that have not been repaired on your specific vehicle. Recall repairs are normally free at an authorized dealer.