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2019 Mercedes-Benz C300 Problems and Recalls
Owners filed 69 complaints with NHTSA about the 2019 Mercedes-Benz C300, most often about the engine (25% of complaints, typically around 5,500 miles). It is 10th of 17 C300 model years by number of complaints and has 17 recalls.
Most common 2019 Mercedes-Benz C300 problems
Engine
17 complaints · 25%Half of these problems showed up before 5,500 miles.
The contact leased a 2019 Mercedes-Benz C300. The contact stated that while driving at 70 MPH, the vehicle decelerated independently to 30 MPH with the check engine warning light illuminated. The failure was experienced three times. The vehicle was towed to three unknown dealers where the vehicle was diagnosed and the…
The contact owns a 2019 Mercedes-Benz C300. The contact stated while stationary, the vehicle shutoff without warning. The contact was able to restart the vehicle. The vehicle was taken to the local dealer keyes european (5400 van nuys blvd, sherman oaks, ca 91401 ([phone]) where it was diagnosed with no failures. The…
Electrical
13 complaints · 19%Parts named most often: instrument panel.
The contact owns a 2019 Mercedes-Benz C300. The contact received notification of NHTSA campaign number: 21v058000 (communication, electrical system) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The…
Odometer fraud. The contact purchased a 2019 Mercedes-Benz C300. The contact stated that after purchasing the vehicle, it was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. The contact stated that at the time of purchase, the odometer reading was approximately 54,000 miles. At the time…
Fuel system
12 complaints · 17%Half of these problems showed up before 47,500 miles.
The contact owns a 2019 Mercedes-Benz C300. The contact stated while driving, the vehicle failed to exceed 15 MPH. The check engine warning light was illuminated. The vehicle was taken to an independent mechanic to be diagnosed. The vehicle was scanned, and the mechanic retrieved fault codes indicating a failure with…
The contact owns a 2019 Mercedes-Benz C300. The contact stated that while at a stoplight, there was an abnormal odor of fuel inside the vehicle. The contact stated that the vehicle failed to respond as needed. The vehicle was restarted and shut off independently. The check engine warning light was illuminated. The…
Other or unspecified
8 complaints · 12%The panorama sunroof exploded, no other cars near me, no rock hit it no big bump in the road, it just exploded...was traveling at normal highway speed, and it sounded like the car had exploded, very scary, and if the inside cover had not been closed would have had glass shards rain down on me and possible get in my…
Body and structure
7 complaints · 10%Parts named most often: body.
The contact owns a 2019 Mercedes-Benz C300. The contact stated that the convertible top support were fraying. The contact stated the parts were almost the thickness of a shoelace and enabled the convertible top to fold correctly when the top was folding down. The contact stated that the part number was [VIN]. The…
The contact owns a 2019 Mercedes-Benz C300. The contact stated that while driving and attempting to close the sunroof, the sunroof made an abnormal popping sound. The contact pulled over and attempted to close the sunroof, but the sunroof failed to close. The contact related the failure to NHTSA campaign number…
Brakes
6 complaints · 9%On september 5th around 4:30 pm, I made a complete stop at a red light, on the intersection of sykes creek pkwy and sr 520 in merritt island, florida. Weather was perfect no rain or wind. I applied the brake hold feature and lifted my foot off the brake pad. About 3 minutes passed and suddenly the engine turned on and…
Transmission
6 complaints · 9%The contact owns a 2019 Mercedes-Benz c 300. The contact stated that while driving 65 MPH, the vehicle inadvertently lost motive power, and was unable to accelerate above 25 MPH. The check engine warning light was illuminated. The vehicle was taken to the dealer, who determined that the PCM required a software update.…
Steering
5 complaints · 7%The contact owns a 2019 Mercedes-Benz C300. The contact stated that whenever the steering wheel was turned left or right, there was a grinding sound coming from the steering wheel. The contact contacted mercedes benz of brooklyn (1800 shore pkwy brooklyn ny 11214; ([phone]) who stated they were aware of similar issues…
The contact owns a 2019 Mercedes-Benz C300. The contact stated while driving approximately 40 MPH and making a left turn, the steering made an abnormal sound. The contact pulled into the nearest parking lot, where the steering wheel locked. There were messages for the brake assist and the rear sensors displayed. The…
Complaints are owner reports to NHTSA, not verified defects. One complaint can name several components, so shares add up to more than 100%.
2019 Mercedes-Benz C300 recalls
Body and structure: roof and pillars
Risk: A detached roof panel can become a road hazard, increasing the risk of a crash.
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. Owners may contact mbusa customer service at 1-800-367-6372. This recall is an expansion of NHTSA recall number 21v-197.
Full defect summary
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.
Infotainment and connectivity: auto crash notification
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.
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. Owners may contact mbusa customer service at 1-800-367-6372. Mbusa's numbers are for this recall is 2022060005 and 2023110006.
Full defect summary
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.
Backup camera: display function
Risk: An inoperable rearview camera display reduces the driver's rear view, increasing the risk of a crash.
Fix: 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.
Full defect summary
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."
Fuel system: injectors
Risk: A fuel leak in the presence of an ignition source, such as hot engine or exhaust components, can increase the risk of a fire.
Fix: Dealers will replace the fuel rail and fuel injectors, free of charge. Owner notification letters were mailed april 22, 2022. Owners may contact mbusa customer service at 1-800-367-6372. Mbusa's number for the recall is 2022030003.
Full defect summary
Mercedes-benz USA, llc (mbusa) is recalling certain 2019 amg g63, c300, e300, g550, amg gt63, amg gt53, 2019-2020 a220, gla250, glc300, 2016 c300, 2020 amg a35, amg c43, amg c63, cla250, e350, e450, glb250, gle450, gls450, gls580, s560, and sl550 vehicles equipped with a gasoline engine. During the manufacturing process, particles may have been trapped between the fuel rail and injectors, which can cause a fuel leak.
Lights: headlights
Risk: Incorrectly adjusted headlights may reduce visibility, increasing the risk of a crash.
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. Owners may contact mbusa customer service at 1-800-367-6372.
Full defect summary
Mercedes-benz llc (mbusa) is recalling certain 2018-2020 c300, 2019-2020 a220, amg c43, amg c63, 2020 gle580, glb250, 2020-2021 gle450, gle350, 2021 amg gle63, and amg gle53 vehicles. 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."
Body and structure: roof and pillars
Risk: 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.
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. Owners may contact mbusa customer service at 1-800-367-6372.
Full defect summary
Mercedes-benz USA, llc (mbusa) is recalling certain 2017-2020 c300 coupe, c43 coupe amg, c43 amg, 2015-2020 c300, gla250, 2016-2018 c350e, cla45 coupe amg, 2015 c400, s65 amg, 2015-2019 c63 amg, 2016 c450, 2015-2016 gla45 amg, s600, 2016-2020 glc300, 2017-2019 glc43 amg, gle43 coupe amg, 2014-2019 cla250 coupe, 2014-2015 cla45 amg, 2018 glc63 amg, 2014-2017 s550, 2018-2020 s450, 2016-2019 gle63 coupe amg, 2016 gle450 coupe, 2014-2020 s63 amg, 2018-2019 s560, and 2019 glc350e vehicles equipped with a panoramic sunroof. 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.
Infotainment and connectivity: auto crash notification
Risk: 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.
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. Owners may contact mbusa customer service at 1-800-367-6372. Mbusa's number for this recall is 2021030005.
Full defect summary
Mercedes-benz USA, llc (mbusa) is recalling certain 2017-2019 c300, e300, 2018-2020 cla250, 2020 cls450, amg e53, amg gt53, gle450, 2018 amg e63, amg gta, 2017-2020 gla250, glc300, 2019 glc350, amg glc43, 2017-2018 gle350, 2019 amg glc 43, glc350, gle400, 2017 gls450, s550, c300 cabrio, and 2018-2019 s560 vehicles. 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.
Infotainment and connectivity: auto crash notification
Risk: Failure of the ecall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
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. Owners may contact mbusa customer service at 1-877-762-8267. Mbusa's number for this recall is 2021020025.
Full defect summary
Mercedes-benz USA, llc (mbusa) is recalling certain 2016 - 2021 cla-class, gla-class, gle-class, gls-class, slc-class, a-class, gt-class, c-class, e-class, s-class, cls-class, sl-class, b-class, glb-class, glc-class, and g-class vehicles. 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.
Seat belts: retractor
Risk: 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.
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. Owners may contact mbusa customer service at 1-800-367-6372. Mbusa's number for this recall is 2021020010.
Full defect summary
Mercedes-benz USA, llc (mbusa) is recalling certain 2017-2021 c300, 2017-2020 amg c43, and amg c63 vehicles. 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."
Doors and locks: latches/locks/linkages
Risk: In the event of a rear-end crash, the center console lid may open, increasing the risk of injury to occupants.
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. Owners may contact mbusa customer service at 1-800-367-6372. Mbusa's number for this recall is 2020100006.
Full defect summary
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."
Electrical: software
Risk: 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.
Fix: Mbusa will notify owners, and dealers will update the instrument cluster software, free of charge. The recall began september 8, 2020. Owners may contact mbusa customer service at 1-800-367-6372. Mbusa's number for this recall is 2020080015.
Full defect summary
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 passenger seat belt is unfastened, instead of a blinking light with an audible tone.
Electrical: 12v/24v/48v battery
Risk: 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.
Fix: Mbusa will notify owners, and dealers will replace the battery mounting bracket, free of charge. The recall began october 18, 2019. Owners may contact mbusa customer service at 1-800-367-6372. Mbusa's number for this recall is 2019090010.
Full defect summary
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.
Driver assistance: radar
Risk: An impaired active brake assist may not automatically apply partial or full braking as expected, increasing the risk of a crash.
Fix: Mbusa will notify owners, and dealers will update the radar sensor control unit software, free of charge. The recall began september 13, 2019. Owners may contact mbusa customer service at 1-800-367-6372. Mbusa's number for this recall is 2019080008.
Full defect summary
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 wagon 4matic, e450 4matic, e53 amg cabrio 4matic, e53 amg coupe 4matic, e53 amg 4matic, e63s amg 4matic, e63s amg wagon 4matic, s450, s450 4matic, s560 cabrio, s560 coupe 4matic, s560, s560 4matic, s560 4matic maybach, s63 amg cabrio 4matic, s63 amg coupe 4matic, s63 amg 4matic, s65 amg cabrio, s65 amg, and amg gt53 coupe 4matic vehicles, and 2020 glc300 coupe 4matic, gle350 4matic, and gle450 4matic vehicles equipped with the driver assistance package. A software error in the rad
Electrical: software
Risk: Driving the vehicle with the esp system deactivated could increase the risk of a crash.
Fix: Mercedes has notified owners, and dealers will update the esp system software, free of charge. The recall began january 29, 2019. Owners may contact mercedes customer service at 1-800-367-6372. Mercedes' number for this recall is 2018120025.
Full defect summary
Mercedes-benz USA,llc (mercedes) is recalling certain 2019 c43 amg, c43 amg cabrio, c43 amg 4matic coupe, c300 4matic, c300 4matic coupe, c300 coupe, c300 cabrio, c300 4matic cabrio, and c300 vehicles. 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.
Steering: rack
Risk: A car that cannot be properly steered has an increased risk of a crash.
Fix: Mbusa will notify owners, and dealers will replace the steering rack, free of charge. The recall began august 23, 2019. Owners may contact mbusa customer service at 1-800-367-6372. Mbusa's number for this recall is 2019080012.
Full defect summary
Mercedes-benz USA, llc (mbusa) is recalling certain 2015-2016 mercedes benz c300, 2017-2019 c300 cabrio, c300 coupe, c63 cabrio, 2015 c63s amg, 2018-2019 c300, c350e, c63 amg, c63s amg cabrio, 2018 c63 amg cabrio, c63 amg coupe, c63s amg, c63s amg coupe, e300, e400 cabrio, e400 coupe, 2019 cls450, e450 cabrio, and e450 coupe rear-wheel drive vehicles. A locknut in the steering rack may break under high load, possibly causing the steering to become stuck in one position.
Seat belts
Risk: If the seat belt tensioning does not activate in the event of a crash, it can increase the risk of injury.
Fix: Mbusa will notify owners, and dealers will replace the seat belt buckles, free of charge. The recall began march 18, 2019. Owners may contact mbusa customer service at 1-800-367-6372. Mbusa's number for this recall is 2019020012.
Full defect summary
Mercedes-benz USA, llc (mbusa) is recalling certain 2019 c300 4matic cabriolet, c43 amg cabriolet, c300 cabriolet, c300 coupe, c300 4matic coupe, c43 amg coupe, e450 coupe, e53 amg cabriolet, s450, s560, e450 cabriolet, e450 4matic cabriolet, e450 4matic coupe, e53 amg coupe, s450 4matic, s560 4matic, s63 amg and s65 amg vehicles and mercedes-mayback s650 and s560 4 matic vehicles. 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.
Electrical: software
Risk: An engine stall can increase the risk of a crash.
Fix: Mbusa will notify owners, and dealers will update the cpc control unit software, free of charge. The recall began april 12, 2019. Owners may contact mbusa customer service at 1-800-367-6372. Mbusa's number for this recall is 2019030012.
Full defect summary
Mercedes-benz USA, llc (mbusa) is recalling certain 2019 mercedes-benz c300, c300 4matic, c300 4matic cabrio, c300 4matic coupe, c300 coupe, c300 cabrio, c43 amg, c43 amg cabrio, c43 amg coupe, cls450, cls450 4matic, cls53 amg 4matic, e53 amg 4matic, e450 4matic, e450 4matic coupe, e53 amg 4matic coupe, g550, and g63 amg vehicles. The central powertrain controller (cpc) control unit could reset while driving, possibly causing an engine stall.
Recall repairs are free at any franchised dealer. Enter your VIN at nhtsa.gov/recalls to see which recalls are still open on your car.
NHTSA defect investigations
Front roof panel detachment
Summary
On january 8, 2021, after ongoing review with mercedes benz, the national highway traffic safety administration (NHTSA) office of defects investigation (odi) opened pe21-001 to assess allegations of front roof panel detachments while driving at highway speeds in certain 2015 mercedes-benz (mercedes) c-class vehicles.the subject front roof panel is a stationary panel composed of polycarbonate and is attached to the vehicle via adhesive at the time of manufacture. The panel is found on subject vehicles equipped with panoramic sunroofs. Over time, the subject panels may exhibit cosmetic degradation leading to replacement of the panel, a procedure which entails: removal of the old panel and adhe
Questions about the 2019 Mercedes-Benz C300
- What are the most common problems with the 2019 Mercedes-Benz C300?
- By NHTSA owner complaints: engine (17 complaints, typically around 5,500 miles); electrical (13 complaints); fuel system (12 complaints, typically around 47,500 miles).
- How many recalls does the 2019 Mercedes-Benz C300 have?
- 17 recalls listed by NHTSA, the latest from December 15, 2023 (body and structure). Check your VIN at nhtsa.gov/recalls to see which ones are still open on your car.
- Is the 2019 a bad year for the Mercedes-Benz C300?
- It is 10th of 17 C300 model years by number of complaints, with 69 complaints. Complaint counts are not adjusted for how many cars were sold, so popular years collect more of them, and the newest years have had less time to.