2020 Mercedes-Benz GLC 300: recalls and complaints

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• 24V0700002 Feb 2024Exterior Lighting / Headlights
• 23V85400015 Dec 2023Structure / Body / Roof and Pillars
• 22V36500020 May 2022Electrical System / Software
• 22V2320008 Apr 2022Back Over Prevention / Display Function
• 21V96100013 Dec 2021Fuel System, Gasoline / Fuel Injection System / Fuel Rail
• 21V52700012 Jul 2021Air Bags / Sensor / Side Impact
• 21V35400014 May 2021Back Over Prevention / Sensing System / Camera
• 21V19700019 Mar 2021Structure / Body / Roof and Pillars
• 21V07200012 Feb 2021Communication / Auto Crash Notification
• 21V0580005 Feb 2021Communication / Auto Crash Notification
• 20V65100023 Oct 2020Steering / Electric Power Assist System
• 20V36400022 Jun 2020Engine and Engine Cooling / Engine / Gasoline / Turbo/Supercharger
• 20V3280005 Jun 2020Seats / Mid/Rear Assembly
• 20V0680007 Feb 2020Communication
• 19V68500027 Sep 2019Air Bags / Frontal / Driver Side / Inflator Module
• 19V54000019 Jul 2019Forward Collision Avoidance / Sensing System / Radar

1. 24V070000Received 2 Feb 2024. 15,502 units.

   Exterior Lighting / Headlights

   Defect, in the NHTSA record

   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, in the NHTSA record

   Incorrectly aimed headlights can reduce the visibility of oncoming traffic, increasing the risk of a crash.

   Remedy, in the NHTSA record

   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.

   Report filed by Mercedes-Benz USA, LLC. Owner notification date in the NHTSA record: 23 Feb 2024.

2. 23V854000Received 15 Dec 2023. 2,976 units.

   Structure / Body / Roof and Pillars

   Defect, in the NHTSA record

   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, in the NHTSA record

   A detached roof panel can become a road hazard, increasing the risk of a crash.

   Remedy, in the NHTSA record

   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.

   Report filed by Mercedes-Benz USA, LLC. Owner notification date in the NHTSA record: 22 Mar 2024.

3. 22V365000Received 20 May 2022. 242,722 units.

   Electrical System / Software

   Defect, in the NHTSA record

   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, in the NHTSA record

   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, in the NHTSA record

   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.

   Report filed by Mercedes-Benz USA, LLC. Owner notification date in the NHTSA record: 8 Jul 2022.

4. 22V232000Received 8 Apr 2022. 126,443 units.

   Back Over Prevention / Display Function

   Defect, in the NHTSA record

   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, in the NHTSA record

   An inoperable rearview camera display reduces the driver's rear view, increasing the risk of a crash.

   Remedy, in the NHTSA record

   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.

   Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2022060007. Owner notification date in the NHTSA record: 15 Jul 2022.

5. 21V961000Received 13 Dec 2021. 139 units.

   Fuel System, Gasoline / Fuel Injection System / Fuel Rail

   Defect, in the NHTSA record

   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, in the NHTSA record

   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, in the NHTSA record

   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.

   Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2022030003. Owner notification date in the NHTSA record: 22 Apr 2022.

6. 21V527000Received 12 Jul 2021. 542 units.

   Air Bags / Sensor / Side Impact

   Defect, in the NHTSA record

   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, in the NHTSA record

   Air bags and seatbelts that don't function as intended can increase the risk of injury during a crash.

   Remedy, in the NHTSA record

   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.

   Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2021070032/33. Owner notification date in the NHTSA record: 3 Sep 2021.

7. 21V354000Received 14 May 2021. 343,191 units.

   Back Over Prevention / Sensing System / Camera

   Defect, in the NHTSA record

   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, in the NHTSA record

   A backup camera that displays a blank image reduces the driver's rear view, increasing the risk of a crash or injury.

   Remedy, in the NHTSA record

   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.

   Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2021050012. Owner notification date in the NHTSA record: 28 Jun 2021.

8. 21V197000Received 19 Mar 2021. 15,096 units.

   Structure / Body / Roof and Pillars

   Defect, in the NHTSA record

   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, in the NHTSA record

   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, in the NHTSA record

   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.

   Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2021070010. Owner notification date in the NHTSA record: 3 Sep 2021.

9. 21V072000Received 12 Feb 2021. 67 units.

   Communication / Auto Crash Notification

   Defect, in the NHTSA record

   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, in the NHTSA record

   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, in the NHTSA record

   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.

   Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2021030005. Owner notification date in the NHTSA record: 31 Mar 2021.

10. 21V058000Received 5 Feb 2021. 1,292,258 units.

    Communication / Auto Crash Notification

    Defect, in the NHTSA record

    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, in the NHTSA record

    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, in the NHTSA record

    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.

    Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2021020025. Owner notification date in the NHTSA record: 12 Mar 2021.

11. 20V651000Received 23 Oct 2020. 2,533 units.

    Steering / Electric Power Assist System

    Defect, in the NHTSA record

    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, in the NHTSA record

    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, in the NHTSA record

    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.

    Report filed by Mercedes-Benz USA, LLC.. Manufacturer campaign number 2020110012. Owner notification date in the NHTSA record: 11 Dec 2020.

12. 20V364000Received 22 Jun 2020. 90 units.

    Engine and Engine Cooling / Engine / Gasoline / Turbo/Supercharger

    Defect, in the NHTSA record

    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, in the NHTSA record

    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, in the NHTSA record

    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.

    Report filed by Mercedes-Benz USA, LLC.. Manufacturer campaign number 2020070017. Owner notification date in the NHTSA record: 17 Aug 2020.

13. 20V328000Received 5 Jun 2020. 1,352 units.

    Seats / Mid/Rear Assembly

    Defect, in the NHTSA record

    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 NHTSA record

    In the event of a crash, if the left-rear seatback latch fails, it can increase the risk of injury.

    Remedy, in the NHTSA record

    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.

    Report filed by Mercedes-Benz USA, LLC.. Manufacturer campaign number 2020070004. Owner notification date in the NHTSA record: 17 Aug 2020.

14. 20V068000Received 7 Feb 2020. 239 units.

    Communication

    Defect, in the NHTSA record

    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, in the NHTSA record

    An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.

    Remedy, in the NHTSA record

    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.

    Report filed by Mercedes-Benz USA, LLC.. Manufacturer campaign number 2020030016. Owner notification date in the NHTSA record: 14 Apr 2020.

15. 19V685000Received 27 Sep 2019. 2,222 units.

    Air Bags / Frontal / Driver Side / Inflator Module

    Defect, in the NHTSA record

    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 NHTSA record

    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, in the NHTSA record

    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.

    Report filed by Mercedes-Benz USA, LLC.. Manufacturer campaign number 2019100001. Owner notification date in the NHTSA record: 29 Oct 2019.

16. 19V540000Received 19 Jul 2019. 1,957 units.

    Forward Collision Avoidance / Sensing System / Radar

    Defect, in the NHTSA record

    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, in the NHTSA record

    An impaired Active Brake Assist may not automatically apply partial or full braking as expected, increasing the risk of a crash.

    Remedy, in the NHTSA record

    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.

    Report filed by Mercedes-Benz USA, LLC.. Manufacturer campaign number 2019080008. Owner notification date in the NHTSA record: 13 Sep 2019.

The campaign number opens the NHTSA record. Each quotation is the text of the NHTSA recall file.

Recall campaign: One recall in the NHTSA recall file, with one campaign number. A campaign can name many makes, models and model years.

Units: The number of vehicles or products that a recall can include. The manufacturer or the firm reports the number to the agency.

A complaint can name more than one component. Each component that a complaint names is one component mention. The figure per 1,000 component mentions shows how many of each 1,000 mentions name the component.

• 2020 Mercedes-Benz GLC 300
• All 2020 vehicles

The table shows the 10 components with the most mentions, of 19.

Complaints that report a crash

3

Complaints that report a fire

0

Injuries in the complaints

4

Deaths in the complaints

0

Date of the newest complaint

31 Aug 2026

These figures are the entries of the persons who sent the complaints.

Complaint: A report about a possible safety problem that a person sends to NHTSA. This site shows the number of complaints and not their text.

The NHTSA investigation file has no investigation that names this model year.

Investigation: A study of a possible safety defect by the NHTSA Office of Defects Investigation. An investigation with no closing date in the NHTSA file is open.

1. 201812
2. 201912
3. 202016
4. 20219
5. 20222
6. 202312
7. 20248
8. 20253
9. 20263

A year without a link has fewer than 2 campaigns and fewer than 25 complaints. It has no page.

• Mercedes-Benz GLC 300: all model years
• Mercedes-Benz: 284 model lines

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• NHTSA VIN lookupNHTSA shows the unrepaired recalls of one vehicle from its VIN or its license plate.
• NHTSA: report a safety problemThe NHTSA form for a complaint about a vehicle, a tire, a child seat or equipment.
• NHTSA page of the 2020 Mercedes-Benz GLC 300The recalls, the complaints and the investigations that NHTSA shows for this model year.

How many units are in the recall campaigns for the 2020 Mercedes-Benz GLC 300?

2,047,329 units in 16 campaigns. A campaign can name other models and model years, and its units include them.

How many recall campaigns does the Mercedes-Benz GLC 300 have for all model years?

NHTSA lists 46 recall campaigns for the Mercedes-Benz GLC 300, model years 2018 to 2026. 16 of them name the 2020 model year.

Which component do the complaints about the 2020 Mercedes-Benz GLC 300 name most often?

Engine: 21 of 90 component mentions, or 233.3 per 1,000. For all 2020 vehicles the figure is 134.9 per 1,000.

Is an NHTSA investigation of the 2020 Mercedes-Benz GLC 300 open?

The NHTSA investigation file has no investigation that names this model year.