Recalls
9campaigns
2 structure · 2 electrical · 1 rear camera
Source: NHTSA
Complaints
33filed
Owner reports, 2016–2025 shown
Source: NHTSA ODI
Fuel economy
28mpg combined
$2,333/yr at this week's prices
Source: EPA · EIA
Specs
2 L 4-cyl· 9-speed automatic
3 engine and transmission configurations
Source: NHTSA vPIC
Recalls (9)
NHTSA lists 9 recall campaigns for the 2020 Mercedes-Benz C300. Check whether yours was repaired with NHTSA's free VIN lookup ↗
Only NHTSA and your automaker know whether your specific car was repaired. PlainVIN shows every recall campaign listed for a model year, with the official text and how many cars have been fixed so far.
Check on NHTSA ↗Listed for 2020 Mercedes-Benz C300. Not checked against your VIN.
Roof Panel May Detach From Vehicle
Structure · body · roof and pillars
Official NHTSA text
- 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.
- Consequence
- 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.
40.6% repairedof 2,976 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 23V854000
Listed for 2020 Mercedes-Benz C300. Not checked against your VIN.
Disabled Emergency Call System
Communication · auto crash notification
Official NHTSA text
- 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.
- Consequence
- 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.
90.6% repairedof 242,722 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 22V365000
Listed for 2020 Mercedes-Benz C300. Not checked against your VIN.
Inoperable Rearview Camera Display/FMVSS 111
Back over prevention · display function
Official NHTSA text
- 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."
- Consequence
- 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.
92.4% repairedof 126,443 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 22V232000
Listed for 2020 Mercedes-Benz C300. Not checked against your VIN.
Incorrectly Adjusted Headlights/FMVSS 108
Exterior lighting · headlights
Official NHTSA text
- 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."
- Consequence
- Incorrectly adjusted headlights may reduce visibility, increasing the risk of a crash.
- Remedy
- 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.
94.6% repairedof 1,467 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 21V509000
Listed for 2020 Mercedes-Benz C300. Not checked against your VIN.
Roof Panel May Detach From Vehicle
Structure · body · roof and pillars
Official NHTSA text
- 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.
- Consequence
- 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.
- Remedy
- 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.
63.5% repairedof 15,096 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 21V197000
Listed for 2020 Mercedes-Benz C300. Not checked against your VIN.
Inaccurate Vehicle Location for Emergency Services
Communication · auto crash notification
Official NHTSA text
- 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.
- Consequence
- Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
- Remedy
- 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.
95.3% repairedof 1,292,258 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 21V058000
Listed for 2020 Mercedes-Benz C300. Not checked against your VIN.
Front Seat Belts May Not Fully Retract/FMVSS 208
Seat belts · front · retractor
Official NHTSA text
- 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."
- Consequence
- 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.
- Remedy
- 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.
94.2% repairedof 24,550 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 21V032000
Listed for 2020 Mercedes-Benz C300. Not checked against your VIN.
Turbocharger Oil Feed and Return Lines May Leak
Engine and engine cooling · engine · gasoline · turbo/supercharger
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 C300, E350, and GLC300 vehicles equipped with turbocharged 4-cylinder gasoline engines. The screws that retain the turbocharger oil feed and return lines may not have been properly tightened, possibly resulting in an oil leak.
- Consequence
- An oil leak in the presence of an ignition source such as hot engine or exhaust components can increase the risk of a fire.
- Remedy
- MBUSA will notify owners, and dealers will inspect the turbocharger oil lines and tighten them as necessary, free of charge. The recall began August 17, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020070017.
98.9% repairedof 90 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 20V364000
Listed for 2020 Mercedes-Benz C300. Not checked against your VIN.
Inaccurate Vehicle Location for Emergency Services
Communication
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 C300 Cabrio, C300 Cabrio 4MATIC, C300 Coupe, C43 AMG Cabrio 4MATIC, C43 AMG Coupe 4MATIC, C63S AMG Cabrio, CLS53 AMG 4MATIC, E350, E350 4MATIC, E450 Cabrio, E450 Cabrio 4MATIC, E450 Coupe, E450 Coupe 4MATIC, E450 4MATIC, E53 AMG Cabrio 4MATIC, GLC300 Coupe 4MATIC, GLC300, GLC300 4MATIC, GLC63 AMG Coupe 4MATIC, AMG GT63 4-Door 4MATIC, and AMG GT63S 4-Door 4MATIC vehicles. An electrical circuit inside the Emergency Call System (eCall) communication module may be damaged, potentially relaying an inaccurate vehicle location.
- Consequence
- An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.
- Remedy
- MBUSA will notify owners, and dealers will replace the communication module, free of charge. The recall began April 14, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020030016.
97.9% repairedof 239 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 20V068000
PlainVIN shows public government records for education. It isn't a vehicle inspection or legal advice. Check your own VIN with NHTSA or your dealer.
Owner complaints (33)
33 complaints filed with NHTSA (owner reports, not verified findings). The engine is mentioned most often.
5involved a crash
0involved a fire
5injuries reported
0deaths reported
As reported by owners in their complaints. These are reports, not NHTSA findings.
Most-reported components
| Component | Complaints | % of 33 |
|---|---|---|
| Engine | 8 | 24.2% |
| Unknown or other | 5 | 15.2% |
| Structure | 4 | 12.1% |
| Electrical system | 3 | 9.1% |
| Forward collision avoidance | 3 | 9.1% |
| Fuel/propulsion system | 3 | 9.1% |
| Power train | 3 | 9.1% |
| Visibility | 3 | 9.1% |
| Air bags | 2 | 6.1% |
| Back over prevention | 2 | 6.1% |
How 2020 compares with other C300 years
Best and worst C300 years →2016286
2017216
201899
201969
202033
202114
202225
202322
202411
20254
| Model year | Complaints | Recall campaigns |
|---|---|---|
| 2016 | 286 | 13 |
| 2017 | 216 | 15 |
| 2018 | 99 | 18 |
| 2019 | 69 | 17 |
| 2020 | 33 | 9 |
| 2021 | 14 | 7 |
| 2022 | 25 | 9 |
| 2023 | 22 | 9 |
| 2024 | 11 | 3 |
| 2025 | 4 | 2 |
This year (2020)Other yearsStill collecting reports
Counts are owner reports, not failure rates. Higher sales years tend to draw more reports. Owners are still filing reports for recent model years, so these counts will grow. Source: NHTSA ODI, retrieved Oct 6, 2026.
Fuel economy: up to 28 mpg combined
28
mpg combined
24
city
35
highway
- EPA annual fuel cost
- $2,950
- CO₂ tailpipe
- 315 g/mi
- EPA class
- Compact Cars
What it costs you to run
$2,333per year
$194per month
536gallons a year
Miles ÷ 28 mpg × $4.354 (EIA US average regular, week of Oct 5, 2026, all taxes included). Source: EPA · EIA.
EPA label estimates from lab tests; your mileage will vary.
Specs by configuration
| Engine · transmission | Drive | City / Hwy / Comb | EPA $/yr | CO₂ g/mi |
|---|---|---|---|---|
| 2 L 4-cyl · 9-speed automatic | Rear-Wheel Drive | 24 / 35 / 28 | $2,950 | 315 |
| 2 L 4-cyl · 9-speed automatic | Rear-Wheel Drive | 22 / 31 / 25 | $3,300 | 351 |
| 2 L 4-cyl · 9-speed automatic | Rear-Wheel Drive | 21 / 29 / 24 | $3,400 | 373 |
Source: EPA fuel economy data, retrieved Oct 6, 2026. Configurations are listed when EPA and NHTSA records match.
Looking at a 2020 C300 for sale?
Print a one-page buyer's checklist: each recall campaign with a box to tick when the seller shows proof of repair, the top complaint areas to inspect, crash stars, MPG, and a link back to this page.
Where to next
2020 Mercedes-Benz C300 FAQ
How many recalls does the 2020 Mercedes-Benz C300 have?
NHTSA lists 9 recall campaigns: 23V854000 (structure), 22V365000 (electrical), 22V232000 (rear camera), 21V509000 (lighting), 21V197000 (structure), 21V058000 (electrical), 21V032000 (seat belt), 20V364000 (engine), 20V068000 (communication). Use NHTSA's VIN lookup to see whether a specific car was repaired.
What are the most common 2020 Mercedes-Benz C300 problems?
Owners filed 33 complaints with NHTSA. Engine (8), Unknown or other (5), Structure (4) are mentioned most. These are owner reports, not verified findings.
What mpg does the 2020 Mercedes-Benz C300 get?
EPA rates the 2 L 4-cyl · 9-speed automatic version at 24 city, 35 highway and 28 combined mpg. Other configurations are listed in the fuel economy section.
How does the 2020 C300 compare with other years?
Among the 2016–2021 Mercedes-Benz C300 model years at least five years old, the 2021 drew the fewest complaints (14) and the 2016 the most (286). The 2020 drew 33. Counts are owner reports, not failure rates.
How this page was madeSources, processing, limits, review and changes
Data sources
- NHTSA recalls by vehicle
Retrieved Oct 6, 2026 - US DOT recall completion rates (data.transportation.gov)
Retrieved Oct 6, 2026 - NHTSA ODI owner complaints
Retrieved Oct 6, 2026 - NHTSA NCAP 5-Star Safety Ratings
Retrieved Oct 6, 2026 - EPA fuel economy data (licence confirmation pending)
Retrieved Oct 6, 2026 - EIA weekly retail gasoline prices
Weekly, all taxes included
Processing
- Complaints are counted per component. One complaint can list several, so component totals add up to more than the total.
- Fuel cost = miles per year ÷ EPA combined mpg × EIA weekly price for your region.
Limitations
- Complaint counts are owner reports, not verified findings or failure rates. There is no sales denominator.
- Recall campaigns are listed for the model year. Only NHTSA and the automaker know whether a specific car was repaired.
- Recent model years are still collecting reports.
Review
Data compiled automatically from the official files listed here.
Changelog
- 2026-10-06 Data refreshed from the official files.
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