2021 Mercedes-Benz GLC 300: recalls and complaints

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All updates to the register

• 24V0700002 Feb 2024Exterior Lighting / Headlights
• 23V44500026 Jun 2023Fuel System, Gasoline / Delivery / Fuel Pump
• 22V36500020 May 2022Electrical System / Software
• 22V26100015 Apr 2022Exterior Lighting / Headlights
• 21V52700012 Jul 2021Air Bags / Sensor / Side Impact
• 21V35400014 May 2021Back Over Prevention / Sensing System / Camera
• 21V2300001 Apr 2021Seats
• 21V07200012 Feb 2021Communication / Auto Crash Notification
• 21V0580005 Feb 2021Communication / Auto Crash Notification

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. 23V445000Received 26 Jun 2023. 143,551 units.

   Fuel System, Gasoline / Delivery / Fuel Pump

   Defect, in the NHTSA record

   Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 C-Class, E-Class, S-Class, CLS, SL, GT, GLC, GLE, GLS, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, which can result in a loss of drive power.

   Consequence, in the NHTSA record

   A loss of drive power can increase the risk of a crash.

   Remedy, in the NHTSA record

   Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 14, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023070012.

   Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2023070012. Owner notification date in the NHTSA record: 29 Sep 2023.

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. 22V261000Received 15 Apr 2022. 129 units.

   Exterior Lighting / Headlights

   Defect, in the NHTSA record

   Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 GLC 300, GLC 300 4Matic, AMG GLC 63 4Matic, AMG GLC 63 S 4Matic, and AMG GLC 43 4Matic vehicles. The electrical connection for the headlights may not be watertight, which can result in headlight failure.

   Consequence, in the NHTSA record

   Headlight failure can decrease visibility for both the driver and surrounding traffic, increasing the risk of a crash.

   Remedy, in the NHTSA record

   Dealers will inspect and replace the headlight sealing plugs, as necessary, free of charge. Owner notification letters were mailed June 3, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022050005.

   Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2022050005. Owner notification date in the NHTSA record: 3 Jun 2022.

5. 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.

6. 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.

7. 21V230000Received 1 Apr 2021. 8,634 units.

   Seats

   Defect, in the NHTSA record

   Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 C-Class, E-Class, E-Class Coupe and Convertible, GLC, CLS, AMG GT 4-door Coupe and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. A faulty electrical contact within the seat position switch may prevent the driver and passenger air bags and seat belt force limiters from properly activating during a crash.

   Consequence, in the NHTSA record

   Air bags and seat belts that do not perform properly in a crash can increase the risk of injury.

   Remedy, in the NHTSA record

   MBUSA will notify owners, and dealers will replace the seat position switches, free of charge. Owner letters were mailed May 21, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021040016.

   Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2021040016. Owner notification date in the NHTSA record: 21 May 2021.

8. 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.

9. 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.

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.

• 2021 Mercedes-Benz GLC 300
• All 2021 vehicles

The table shows the 10 components with the most mentions, of 15.

Complaints that report a crash

1

Complaints that report a fire

2

Injuries in the complaints

0

Deaths in the complaints

0

Date of the newest complaint

11 Sep 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 2021 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 2021 Mercedes-Benz GLC 300?

2,046,596 units in 9 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. 9 of them name the 2021 model year.

Which component do the complaints about the 2021 Mercedes-Benz GLC 300 name most often?

Engine: 30 of 92 component mentions, or 326.1 per 1,000. For all 2021 vehicles the figure is 137.9 per 1,000.

Is an NHTSA investigation of the 2021 Mercedes-Benz GLC 300 open?

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