2018 Mercedes-Benz GLC 300: recalls and complaints

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• 23V85400015 Dec 2023Structure / Body / Roof and Pillars
• 22V36500020 May 2022Electrical System / Software
• 21V19700019 Mar 2021Structure / Body / Roof and Pillars
• 21V07200012 Feb 2021Communication / Auto Crash Notification
• 21V0580005 Feb 2021Communication / Auto Crash Notification
• 18V83800027 Nov 2018Air Bags / Sensor / Occupant Classification
• 18V6830001 Oct 2018Seat Belts / Rear/Other / Buckle Assembly
• 18V61000011 Sep 2018Exterior Lighting / Turn Signal
• 18V20800029 Mar 2018Air Bags / Frontal / Driver Side / Inflator Module
• 18V17700015 Mar 2018Seat Belts / Rear/Other / Buckle Assembly
• 17V71500014 Nov 2017Visibility / Sun/Moon Roof Assembly
• 17V6270006 Oct 2017Air Bags / Frontal

1. 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.

2. 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.

3. 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.

4. 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.

5. 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.

6. 18V838000Received 27 Nov 2018. 104,663 units.

   Air Bags / Sensor / Occupant Classification

   Defect, in the NHTSA record

   Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 C300 Cabriolet, C300 Coupe, C300 4Matic Cabriolet, C300, C300 4Matic Coupe, C300 4Matic, C43 AMG Cabriolet, C43 AMG Coupe, C63 S AMG Cabriolet, C350e Plug-In Hybrid, C63 AMG Cabriolet, C63 AMG Coupe, C63 S AMG Coupe, C63 AMG, C63 S AMG, 2018-2019 GLC300 4Matic Coupe, GLC300, GLC63 AMG Coupe, GLC300 4Matic, GLC350e Plug-In Hybrid, GLC43 AMG Coupe, GLC43 AMG, GLC63 S AMG Coupe, and GLC63 AMG vehicles equipped with Audio 20 head units and automatic child seat recognition. The status of the passenger side air bag may not display correctly.

   Consequence, in the NHTSA record

   If the passenger air bag is incorrectly displayed as 'ON' when it is not, a front seat passenger may be unaware that the air bag will not deploy in the event of a crash, increasing their risk of injury.

   Remedy, in the NHTSA record

   MBUSA will notify owners, and dealers will update the audio head unit software, free of charge. The recall began January 3, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018120009.

   Report filed by Mercedes-Benz USA, LLC.. Manufacturer campaign number 2018120009. Owner notification date in the NHTSA record: 3 Jan 2019.

7. 18V683000Received 1 Oct 2018. 4,702 units.

   Seat Belts / Rear/Other / Buckle Assembly

   Defect, in the NHTSA record

   Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2016-2018 Mercedes-Benz GLC300 and GLC300 4Matic, 2018 GLC350e and GLC63 AMG 4Matic and 2017-2018 GLC43 AMG 4Matic vehicles. The seat belt latch plates (the parts that insert into the buckles) for the outboard rear seats may retract into the interior paneling, preventing the occupants from being able to use the seat belts.

   Consequence, in the NHTSA record

   If the rear seat passengers cannot fasten their seat belts, they have an increased risk of injury in the event of a crash.

   Remedy, in the NHTSA record

   MBUSA will notify owners, and dealers will install felt strips between the C-pillar and rear side paneling, free of charge. The recall began November 2, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018100002.

   Report filed by Mercedes-Benz USA, LLC.. Manufacturer campaign number 2018100002. Owner notification date in the NHTSA record: 2 Nov 2018.

8. 18V610000Received 11 Sep 2018. 4,702 units.

   Exterior Lighting / Turn Signal

   Defect, in the NHTSA record

   Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 GLC300 4MATIC Coupe, GLC300, GLC300 4MATIC, GLC350e 4MATIC, GLC43 AMG 4MATIC Coupe, and GLC43 AMG 4MATIC vehicles equipped with LED headlights. The front turn signals may have an incorrect color of pink or violet. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."

   Consequence, in the NHTSA record

   Turn signals that are the wrong color may not be as easily recognized by other drivers, increasing the risk of a crash.

   Remedy, in the NHTSA record

   MBUSA will notify owners, and dealers will inspect the color of the turn signal, replacing the LED module as necessary, free of charge. The recall began November 2, 2018. Owners may contact MBUSA customer service at 1-800-367-6372.

   Report filed by Mercedes-Benz USA, LLC.. Manufacturer campaign number 2018090014. Owner notification date in the NHTSA record: 2 Nov 2018.

9. 18V208000Received 29 Mar 2018. 57 units.

   Air Bags / Frontal / Driver Side / Inflator Module

   Defect, in the NHTSA record

   Mercedes-Benz USA LLC (MBUSA) is recalling certain 2018 AMG GT, AMG GT C, GLC43 AMG 4Matic, GLC300, GLC300 4Matic and GLC350e 4Matic vehicles. The housing for the driver side air bag inflator may have been made with defective steel. In the event of an air bag deployment, the defective steel may cause the inflator to improperly inflate the driver-side air bag and potentially rupture.

   Consequence, in the NHTSA record

   In the event of a crash involving driver air bag deployment, an improperly inflated air bag and/or an inflator rupture with sharp metal fragments might result in serious injury or death to the driver or to occupants.

   Remedy, in the NHTSA record

   MBUSA will notify owners, and dealers will replace the front driver air bag module, free of charge. The recall is expected to begin May 29, 2018. Owners may contact MBUSA customer service at 1-800-367-6372.

   Report filed by Mercedes-Benz USA, LLC.. Manufacturer campaign number 2018050003. Owner notification date in the NHTSA record: 23 May 2018.

10. 18V177000Received 15 Mar 2018. 121,858 units.

    Seat Belts / Rear/Other / Buckle Assembly

    Defect, in the NHTSA record

    Mercedes Benz USA LLC (MBUSA) is recalling certain 2017-2018 GLC43 AMG, 2016-2018 GLC300 4Matic, 2016-2018 GLC300, 2018 GLC63 AMG 4Matic, and 2018 GLC350e 4Matic vehicles. The seat belt latch plates (the parts that insert into the buckles) for the outboard rear seats may retract into the interior paneling, preventing the occupants from being able to use the seat belts.

    Consequence, in the NHTSA record

    If the rear seat passengers cannot fasten their seat belts, they have an increased risk of injury in the event of a crash.

    Remedy, in the NHTSA record

    MBUSA will notify owners, and dealers will install a buffer to the c-pillar paneling, free of charge. The recall is expected to begin May 14, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018030012.

    Report filed by Mercedes-Benz USA, LLC.. Manufacturer campaign number 2018030012. Owner notification date in the NHTSA record: 25 Apr 2018.

11. 17V715000Received 14 Nov 2017. 9,379 units.

    Visibility / Sun/Moon Roof Assembly

    Defect, in the NHTSA record

    Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2018 GLC300, GLC300 4Matic, and GLC43 AMG vehicles. The fixed panoramic sun roof frontal and side plastic panels may have insufficient bonding, allowing the panels to separate during vehicle operation.

    Consequence, in the NHTSA record

    If the sun roof panels detach from the vehicle, it can increase the risk of a crash or injury for following traffic.

    Remedy, in the NHTSA record

    MBUSA will notify owners, and dealers will inspect the bonding on the sun roof panels, correcting it as necessary, free of charge. The recall is expected to begin December 2017. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2017110009.

    Report filed by Mercedes-Benz USA, LLC.. Manufacturer campaign number 2017110009. Owner notification date in the NHTSA record: 8 Dec 2017.

12. 17V627000Received 6 Oct 2017. 495,290 units.

    Air Bags / Frontal

    Defect, in the NHTSA record

    Mercedes-Benz USA, LLC. (MBUSA) is recalling these vehicles: 2014-2018 CLA250, CLA250 4Matic, CLA45 AMG 4Matic, 2015-2018 GLA250, GLA250 4Matic, GLA45 AMG 4Matic, C300 4Matic, C63S AMG, 2012-2014 C250, C350, C300 4Matic, E550 4Matic, 2013-2014 C63 AMG, 2012-2015 C250 Coupe, C350 Coupe, C63 AMG Coupe, 2013-2015 C350 4Matic Coupe, GLK250 4Matic BlueTec, GLK350, GLK350 4Matic, 2016-2017 C350e, C43 AMG, 2015 C400 4Matic, 2016-2018 C63 AMG, GLC300, GLC300 4Matic, 2017-2018 C300 Coupe, C300 4Matic Coupe, C43 AMG, C63 AMG Coupe, C63S AMG Coupe, C300 Cabriolet, C300 4Matic Cabriolet, C43 AMG Cabriolet, C63 AMG Cabriolet, C63S AMG Cabriolet, GLC300 4Matic Coupe, GLC43 AMG, GLC43 AMG Coupe, 2014 E350 Coupe, E350 4Matic Coupe, E350 Cabriolet, E400 Hybrid, 2015-2017 E400 Coupe, E400 4Matic Coupe, E400 Cabriolet, 2014-2017 E550 Coupe, E550 Cabriolet, B250e, 2014-2016 E250 BlueTec, E63 AMG 4Matic Wagon, 2012-2013 E350 BlueTec, 2012-2016 E350, E350 4Matic, 2015-2016 E400, E400 4Matic, 2012 E63 AMG, 2014-2015 E250 4Matic BlueTec, 2013-2016 E350 Wagon, 2017 GLC300d 4Matic, and 2018 GLC350e 4Matic. The driver's air bag may unexpectedly deploy due to insufficient grounding of the steering components if an electrostatic discharge occurs and the air bag clockspring is broken.

    Consequence, in the NHTSA record

    If the driver air bag inadvertently deploys, it can increase the risk of injury and a crash.

    Remedy, in the NHTSA record

    MBUSA will notify owners, and dealers will add sufficient grounding to the steering components, free of charge. The recall began in December 6, 2017. Owners may contact MBUSA customer service at 1-877-496-3691.

    Report filed by Mercedes-Benz USA, LLC.. Manufacturer campaign number 2017110011. Owner notification date in the NHTSA record: 6 Dec 2017.

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.

• 2018 Mercedes-Benz GLC 300
• All 2018 vehicles

The table shows the 10 components with the most mentions, of 21.

Complaints that report a crash

4

Complaints that report a fire

1

Injuries in the complaints

2

Deaths in the complaints

0

Date of the newest complaint

30 Jul 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.

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 2018 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 2018 Mercedes-Benz GLC 300?

2,293,770 units in 12 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. 12 of them name the 2018 model year.

Which component do the complaints about the 2018 Mercedes-Benz GLC 300 name most often?

Engine: 28 of 124 component mentions, or 225.8 per 1,000. For all 2018 vehicles the figure is 162.1 per 1,000.

Is an NHTSA investigation of the 2018 Mercedes-Benz GLC 300 open?

1 investigation has no closing date in the NHTSA file, of 1 that name this model year.