Recalls (16)
NHTSA lists 16 recall campaigns for the 2020 Mercedes-Benz GLC 300. 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 GLC 300. Not checked against your VIN.
Headlights Aim Cover Missing/FMVSS 108
Exterior lighting · headlights
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2022 GLC 300, 2020 GLC 350e, and 2020-2022 AMG GLC 43 vehicles. The headlights may be incorrectly adjusted too high and create a glare for oncoming traffic. 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 aimed headlights can reduce the visibility of oncoming traffic, increasing the risk of a crash.
- Remedy
- Dealers will inspect the headlight adjustment and correct it if necessary, free of charge. Owner notification letters were mailed February 23, 2024. Owners may contact MBUSA customer service at 1-800-367-6372.
81.1% repairedof 15,502 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 24V070000
Listed for 2020 Mercedes-Benz GLC 300. 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 GLC 300. 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 GLC 300. 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 GLC 300. Not checked against your VIN.
Fuel Leak Between Fuel Rail and Injectors
Fuel system, gasoline · fuel injection system · fuel rail
Official NHTSA text
- 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.
- Consequence
- A fuel leak in the presence of an ignition source, such as hot engine or exhaust components, can increase the risk of a fire.
- Remedy
- 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.
88.5% repairedof 139 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 21V961000
Listed for 2020 Mercedes-Benz GLC 300. Not checked against your VIN.
Side Impact Crash Sensor Connectors May Loosen
Air bags · sensor · side impact
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 CLS450, AMG E53, AMG CLS53, E350, E450, AMG GT43, AMG GT53, 2020 S450, S560, G550, AMG GLC63, 2020-2021 GLC300, and AMG G63 vehicles. The side crash sensor connectors may come loose, which could delay the activation of air bags and seatbelts during a side impact crash.
- Consequence
- Air bags and seatbelts that don't function as intended can increase the risk of injury during a crash.
- Remedy
- Dealers will inspect and replace as necessary, the side impact crash sensors, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021070032/33.
94.7% repairedof 542 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 21V527000
Listed for 2020 Mercedes-Benz GLC 300. Not checked against your VIN.
Rearview Camera Image May Not Display/FMVSS 111
Back over prevention · sensing system · camera
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 CLA-Class, GLE/GLS-Class, A-Class, E-Class, E-Class Coupe and Convertible, GLA/GLB-Class, GLC-Class, CLS-Class, and AMG GT-Class 4-door Coupe vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The MBUX multimedia system software may cause the display to remain black, or reboot after startup. This could result in the rearview camera image not displaying properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."
- Consequence
- A backup camera that displays a blank image reduces the driver's rear view, increasing the risk of a crash or injury.
- Remedy
- The multimedia system software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed beginning June 28, 2021. Owners may contact MBUSA customer service at 1-800-367-6373. MBUSA's number for this recall is 2021050012.
96.5% repairedof 343,191 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 21V354000
Listed for 2020 Mercedes-Benz GLC 300. 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 GLC 300. Not checked against your VIN.
Emergency Call (eCall) Function May be Disabled
Communication
Official NHTSA text
- 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.
- Consequence
- 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.
- Remedy
- 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.
86.6% repairedof 67 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 21V072000
Listed for 2020 Mercedes-Benz GLC 300. 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 GLC 300. Not checked against your VIN.
Damaged Power Steering Control Unit Wiring Harness
Steering · electric power assist system
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLC300, GLC350e, GLC43 AMG, and GLC63 AMG vehicles. The power steering control unit wiring harness may have been damaged during the production process, possibly resulting in a loss of power steering assist or an electrical short-circuit.
- Consequence
- A loss of power steering assist can increase the risk of a crash. Additionally, If the wiring harness short-circuits, there is an increased risk of a fire.
- Remedy
- MBUSA will notify owners, and dealers will inspect the wiring harness, and replace it if necessary, free of charge. The recall began December 11, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020110012.
97.6% repairedof 2,533 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 20V651000
Listed for 2020 Mercedes-Benz GLC 300. 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 GLC 300. Not checked against your VIN.
Left Rear Seat Back Electric Latch May Fail
Seats · mid/rear assembly
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 E450, AMG E63S, GLC300, AMG GLC43, AMG GLC63, AMG GT53, and AMG GT63 vehicles equipped with rear seatbacks that can be electrically unlatched. The left-rear seatback latch may not be strong enough to withstand certain loads. If cargo were to strike the left-rear seatback, the latch may fail.
- Consequence
- In the event of a crash, if the left-rear seatback latch fails, it can increase the risk of injury.
- Remedy
- MBUSA will notify owners, and dealers will replace the left-rear seatback latch, 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 2020070004.
98% repairedof 1,352 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 20V328000
Listed for 2020 Mercedes-Benz GLC 300. 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
Listed for 2020 Mercedes-Benz GLC 300. Not checked against your VIN.
Driver's Airbag may be Unsecured
Air bags · frontal · driver side · inflator module
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019-2020 A 220 and A 220 4MATIC, 2020 CLA 250, CLA 250 4 MATIC, GLC 300 Coupe 4MATIC, GLC 300 and GLC 300 4MATIC vehicles. The driver's side front airbag modules may not have been properly bolted down.
- Consequence
- In the event of a crash necessitating deployment of the driver's front airbag, the airbag may not deploy properly, increasing the risk of injury.
- Remedy
- MBUSA will notify owners, and dealers will inspect the driver airbag module and replace it, as necessary, free of charge. The recall began October 29, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019100001.
98.3% repairedof 2,222 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 19V685000
Listed for 2020 Mercedes-Benz GLC 300. Not checked against your VIN.
Active Brake Assist May Not Engage
Forward collision avoidance · sensing system · radar
Official NHTSA text
- 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 radar sensor control unit may impair the functionality of the Active Brake Assist.
- Consequence
- An impaired Active Brake Assist may not automatically apply partial or full braking as expected, increasing the risk of a crash.
- Remedy
- 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.
95.9% repairedof 1,957 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 19V540000
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 (69)
69 complaints filed with NHTSA (owner reports, not verified findings). The engine is mentioned most often.
3involved a crash
0involved a fire
4injuries reported
0deaths reported
As reported by owners in their complaints. These are reports, not NHTSA findings.
Most-reported components
| Component | Complaints | % of 69 |
|---|---|---|
| Engine | 21 | 30.4% |
| Unknown or other | 15 | 21.7% |
| Back over prevention | 7 | 10.1% |
| Forward collision avoidance | 6 | 8.7% |
| Electrical system | 5 | 7.2% |
| Exterior lighting | 5 | 7.2% |
| Steering | 5 | 7.2% |
| Fuel/propulsion system | 4 | 5.8% |
| Power train | 4 | 5.8% |
| Service brakes | 3 | 4.3% |
How 2020 compares with other GLC 300 years
Best and worst GLC 300 years →2016133
201798
201887
201947
202069
202166
202260
202355
202421
202516
| Model year | Complaints | Recall campaigns |
|---|---|---|
| 2016 | 133 | 12 |
| 2017 | 98 | 12 |
| 2018 | 87 | 12 |
| 2019 | 47 | 12 |
| 2020 | 69 | 16 |
| 2021 | 66 | 9 |
| 2022 | 60 | 2 |
| 2023 | 55 | 12 |
| 2024 | 21 | 8 |
| 2025 | 16 | 3 |
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 24 mpg combined
24
mpg combined
22
city
29
highway
- EPA annual fuel cost
- $3,400
- CO₂ tailpipe
- 366 g/mi
- EPA class
- Small Sport Utility Vehicle
What it costs you to run
$2,721per year
$227per month
625gallons a year
Miles ÷ 24 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 | 22 / 29 / 24 | $3,400 | 366 |
Source: EPA fuel economy data, retrieved Oct 6, 2026. Configurations are listed when EPA and NHTSA records match.
Looking at a 2020 GLC 300 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 GLC 300 FAQ
How many recalls does the 2020 Mercedes-Benz GLC 300 have?
NHTSA lists 16 recall campaigns: 24V070000 (lighting), 23V854000 (structure), 22V365000 (electrical), 22V232000 (rear camera), 21V961000 (fuel system), 21V527000 (air bag), 21V354000 (electrical), 21V197000 (structure), 21V072000 (communication), 21V058000 (electrical), 20V651000 (steering), 20V364000 (engine), 20V328000 (seat), 20V068000 (communication), 19V685000 (air bag), 19V540000 (forward collision avoidance). Use NHTSA's VIN lookup to see whether a specific car was repaired.
What are the most common 2020 Mercedes-Benz GLC 300 problems?
Owners filed 69 complaints with NHTSA. Engine (21), Unknown or other (15), Back over prevention (7) are mentioned most. These are owner reports, not verified findings.
What mpg does the 2020 Mercedes-Benz GLC 300 get?
EPA rates the 2 L 4-cyl · 9-speed automatic version at 22 city, 29 highway and 24 combined mpg.
How does the 2020 GLC 300 compare with other years?
Among the 2016–2021 Mercedes-Benz GLC 300 model years at least five years old, the 2019 drew the fewest complaints (47) and the 2016 the most (133). The 2020 drew 69. 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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