2019 Mercedes-Benz C 300: Recalls, Problems & MPG
Here are the deets on the 2019 Mercedes-Benz C 300: 17 recalls, 69 owner complaints and up to 27 mpg combined.
Recalls
17 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Electrical Vehicle recall #18V761000 · 2018 · 119 vehicles
What's wrong: The central powertrain controller (cpc) control unit could reset while driving, possibly causing an engine stall.
Why it matters: An engine stall can increase the risk of a crash.
The fix: Mbusa will notify owners, and dealers will update the cpc control unit software, free of charge. The recall began April 12, 2019.
Seat belts Vehicle recall #18V839000 · 2018 · 4,969 vehicles
What's wrong: A correctly fastened seatbelt May be inaccurately detected as being unfastened, preventing the seat belt pre-tensioners from activating in the event of a crash.
Why it matters: If the seat belt tensioning does not activate in the event of a crash, it can increase the risk of injury.
The fix: Mbusa will notify owners, and dealers will replace the seat belt buckles, free of charge. The recall began March 18, 2019.
Steering Vehicle recall #18V850000 · 2018 · 6,373 vehicles
What's wrong: A locknut in the steering rack May break under high load, possibly causing the steering to become stuck in one position.
Why it matters: A car that cannot be properly steered has an increased risk of a crash.
The fix: Mbusa will notify owners, and dealers will replace the steering rack, free of charge. The recall began August 23, 2019.
Electrical, Parking brake Vehicle recall #18V909000 · 2018 · 675 vehicles
What's wrong: After parking and exiting the vehicle, the electronic stability program (esp) software May prevent the electronic parking brake from being disengaged when returning to the vehicle, unless the esp system is deactivated.
Why it matters: Driving the vehicle with the esp system deactivated could increase the risk of a crash.
The fix: Mercedes has notified owners, and dealers will update the esp system software, free of charge. The recall began January 29, 2019.
Forward collision avoidance Vehicle recall #19V540000 · 2019 · 1,957 vehicles
What's wrong: Mercedes-benz USA, LLC. (mbusa) is recalling certain 2019 c300 cabrio, c300a cabrio 4matic, c300 coupe, c300 coupe 4matic, c300, c300 4matic, c43 amg cabrio 4matic, c43 amg coupe 4matic, c43 amg 4matic, c63 amg cabrio, c63s amg cabrio, c63 amg coupe, c63s amg coupe, c63 amg, c63s amg, cls450, cls450 4matic, cls53 amg 4matic, e300, e300 4matic, e450 cabrio, e450 cabrio 4matic, e450 coupe, e450 coupe 4matic, e450…
Why it matters: An impaired active brake assist May not automatically apply partial or full braking as expected, increasing the risk of a crash.
The fix: Mbusa will notify owners, and dealers will update the radar sensor control unit software, free of charge. The recall began September 13, 2019.
Electrical Vehicle recall #19V586000 · 2019 · 26,584 vehicles
What's wrong: Mercedes-benz USA, LLC. (mbusa) is recalling certain 2018-2019 c300, c300 4matic, and c43 amg 4matic vehicles. The mounting bracket for the 12-volt battery May not be secured. This May allow the battery to shift, possibly disconnecting the terminals in the event of a crash.
Why it matters: Loss of power from the battery can impair post-crash functions, such as communicating with emergency services and activating hazard lights. The battery May also detach and become a road hazard. Either of these scenarios can increase the risk of injury.
The fix: Mbusa will notify owners, and dealers will replace the battery mounting bracket, free of charge. The recall began October 18, 2019.
Electrical, Seat belts Vehicle recall #20V449000 · 2020 · 56 vehicles
What's wrong: Mercedes-benz USA, LLC. (mbusa) is recalling certain 2019 c300, c300 coupe, cls450, e450 coupe and s450, 2017-2019 e300, 2018 e400 coupe, e400 stationwagon, and 2018-2019 s560 vehicles that have previously had the instrument cluster replaced. The software in the replaced instrument cluster May cause the seat belt warning system to not operate properly, only displaying a solid warning light if either the driver or…
Why it matters: Without the audible tone and blinking warning light to remind the front seat occupants that their seat belts are not buckled, they May forget to buckle their seat belt, increasing their risk of injury in the event of a crash.
The fix: Mbusa will notify owners, and dealers will update the instrument cluster software, free of charge. The recall began September 8, 2020.
Latches & locks Vehicle recall #20V608000 · 2020 · 7 vehicles
What's wrong: Mercedes-benz USA, LLC. (mbusa) is recalling certain 2019 c300 vehicles. The center console lock-system might not lock properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 201, "occupant protection in interior impact."
Why it matters: In the event of a rear-end crash, the center console lid May open, increasing the risk of injury to occupants.
The fix: Mbusa will notify owners, and dealers will check the center console storage compartment, and replace it, if necessary, free of charge. The recall began October 30, 2020.
Seat belts Vehicle recall #21V032000 · 2021 · 24,550 vehicles
What's wrong: The front seat belts might not fully retract to their stowed position. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (fmvss) number 208, "occupant crash protection."
Why it matters: If the seat belt does not fully retract, the occupant May find the operation of the seat belt inconvenient and not wear it, increasing the risk of injury in the event of a crash.
The fix: Mbusa will notify owners, and dealers will check the retraction function of the front seat belts and adjust the damping foam within the b-pillars, as necessary, free of charge. The recall began February 26, 2021.
Communication, Electrical Vehicle recall #21V058000 · 2021 · 1,292,258 vehicles
What's wrong: Please refer to the part 573 report for specific vehicle model details. The software design of the communication module May fail to communicate the correct vehicle location for the emergency call system (ecall) in the event of a crash.
Why it matters: Failure of the ecall system May result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
The fix: Mbusa will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (ota) update, free of charge. The recall began March 12, 2021.
Communication, Communication Vehicle recall #21V072000 · 2021 · 67 vehicles
What's wrong: On June 18, 2021, an additional 9 vehicles were added, including certain 2021 gla250, glc300, 2018 s450, e400, and 2017 cla250 vehicles. The communication module might have been inadvertently deactivated during a service visit, which could have disabled the emergency call (ecall) function.
Why it matters: A disabled ecall system would prevent a vehicle occupant from contacting emergency services through the call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
The fix: Mbusa will notify owners, and dealers will inspect the communication module and activate it, if necessary, free of charge. The recall began March 31, 2021. Letters for the owners of the 9 additional vehicles were mailed July 9, 2021.
Body & structure Vehicle recall #21V197000 · 2021 · 15,096 vehicles
What's wrong: 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.
Why it matters: The adhesive bonding of the front panel might deteriorate, possibly causing the front panel to detach from the vehicle and become a road hazard, increasing the risk of a crash.
The fix: Mercedes-benz dealer will remove the bonded panel and will install a new front panel by following the detailed repair instructions and using the approved primer, cleaner and adhesive, free of charge. Owner notification letters were mailed on September 3, 2021 and October 26, 2021.
Exterior lights Vehicle recall #21V509000 · 2021 · 1,467 vehicles
What's wrong: The LED headlights May have been incorrectly adjusted during a vehicle repair. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "lamps, reflective devices, and associated equipment."
Why it matters: Incorrectly adjusted headlights May reduce visibility, increasing the risk of a crash.
The fix: Dealers will replace the LED headlights, free of charge. Interim letters notifying owners of the safety risk were mailed August 13, 2021. A second notice will be sent once the remedy is available. Owner notification letters were mailed January 2022.
Fuel system, Fuel system Vehicle recall #21V961000 · 2021 · 139 vehicles
What's wrong: During the manufacturing process, particles May have been trapped between the fuel rail and injectors, which can cause a fuel leak.
Why it matters: A fuel leak in the presence of an ignition source, such as hot engine or exhaust components, can increase the risk of a fire.
The fix: Dealers will replace the fuel rail and fuel injectors, free of charge. Owner notification letters were mailed April 22, 2022.
Backup camera Vehicle recall #22V232000 · 2022 · 126,443 vehicles
What's wrong: 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."
Why it matters: An inoperable rearview camera display reduces the driver's rear view, increasing the risk of a crash.
The fix: Dealers will update the rearview camera software, free of charge. Owner notification letters were mailed July 15, 2022.
Communication, Electrical Vehicle recall #22V365000 · 2022 · 242,722 vehicles
What's wrong: 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.
Why it matters: 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.
The fix: 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.
Body & structure Vehicle recall #23V854000 · 2023 · 2,976 vehicles
What's wrong: 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.
Why it matters: A detached roof panel can become a road hazard, increasing the risk of a crash.
The fix: 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.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 1 injuries and 0 deaths were reported.
What owners describe
- Engine (17): the most common themes are warning light on (11), stalls / loses power (7).
- Electrical (13): the most common themes are electrical failure (6), warning light on (4), stalls / loses power (2).
- Other / unknown (8): no single recurring theme in the descriptions.
- Fuel & propulsion (7): the most common themes are fire / smoke (2).
The 2019 Mercedes-Benz C 300 has 69 owner complaints, ranking #3 of 10 C 300 model years for complaints (about average; the typical year has 50). Complaints peaked in 2025 (14 filed that year). The typical problem showed up when the car was about 4 years old, at a median of 22,625 miles. Neighboring years: 2018 (99 complaints, 18 recalls), 2020 (33 complaints, 9 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 2.0 L 4-cyl turbo | Automatic 9-spd | Rear-Wheel Drive | 23 | 34 | 27 | Premium |
Want the full repair deets? Get the factory manual.
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FAQ
Does the 2019 Mercedes-Benz C 300 have any recalls?
Yes. NHTSA lists 17 vehicle recalls for the 2019 Mercedes-Benz C 300. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2019 Mercedes-Benz C 300 problems?
Owners have filed 69 complaints with NHTSA. The most-reported areas are engine (17), electrical (13), other / unknown (8).
What gas mileage does the 2019 Mercedes-Benz C 300 get?
EPA ratings run up to 27 mpg combined (2.0 L, Automatic 9-spd), across 1 engine and transmission combos.
Where can I get a 2019 Mercedes-Benz C 300 repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.