2021 Mercedes-Benz Glc 300 Recalls

Recalls on record Updated July 2026

The 2021 Mercedes-Benz Glc 300 has 9 NHTSA recall campaigns affecting an estimated 2,046,596 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 84 complaints with NHTSA, most often about the engine. Last updated July 5, 2026.

Recall campaigns

EXTERIOR LIGHTING 24V070000 2024-02-02 15,502 affected
Defect

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…

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.

FUEL SYSTEM, GASOLINE 23V445000 2023-06-26 143,551 affected
Defect

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

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

Remedy

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.

ELECTRICAL SYSTEM 22V365000 2022-05-20 242,722 affected
Defect

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…

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…

EXTERIOR LIGHTING 22V261000 2022-04-15 129 affected
Defect

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

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

Remedy

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.

AIR BAGS 21V527000 2021-07-12 542 affected
Defect

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…

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.

BACK OVER PREVENTION 21V354000 2021-05-14 343,191 affected
Defect

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…

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.

SEAT BELTS 21V230000 2021-04-01 8,634 affected
Defect

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…

Consequence

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

Remedy

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.

COMMUNICATION 21V072000 2021-02-12 67 affected
Defect

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. …

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…

ELECTRICAL SYSTEM 21V058000 2021-02-05 1,292,258 affected
Defect

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…

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.

Complaints by component

ENGINE
29
1crashes
EXTERIOR LIGHTING
10
FUEL/PROPULSION SYSTEM
9
ELECTRICAL SYSTEM
7
UNKNOWN OR OTHER
6
1fires
POWER TRAIN
3
STRUCTURE:BODY
3
VISIBILITY/WIPER
3
FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
2
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
2
Total complaints84

What owners report

Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.

“Getting p06da trouble code meaning that there is something wrong with the oil pressure solenoid in the oil sump. This is a known issue where the wiring of the solenoid get frayed. Cost of repair for the (cheap part) is $7,500 because of 18 hour labor involved. Mb knows this is an issue with the…”

ENGINE · reported 2026-04-29

“The engine starts shaking, smell of gas car than stops while driving, could caused an accident and severely injured someone on the freeway. This is a major safety issue after further researching this particular issue mb of canada issue a warranty letter extension for this particular but nothing…”

POWER TRAIN · reported 2026-03-15

“The contact owns a 2021 mercedes-benz glc300. The contact stated that the rear-view camera was not functioning properly. After restarting the vehicle, the camera operated as needed; however, several days later, the camera became inoperable. The contact referenced nhtsa campaign number: 21v354000…”

BACK OVER PREVENTION: SENSING SYSTEM: CAMERA · reported 2026-03-10

“This is a well-known issue with these engines. See tsb (service bulletin) the 2021 mercedes-benz glc 300 has 42,000 miles and the warranty ran out 2 weeks ago. The vehicle is up-to-date on service. Fault code p06da00 engine oil pressure control circuit/open. The yellow check engine light came on…”

ENGINE · reported 2026-02-15

“This is a well-known issue with these engines. See tsb (service bulletin) the 2021 mercedes-benz glc 300 has 42,000 miles and the warranty ran out 2 weeks ago. The vehicle is up-to-date on service. Fault code p06da00 engine oil pressure control circuit/open. The yellow check engine light came on…”

ELECTRICAL SYSTEM · reported 2026-02-15

“The contact owns a 2021 mercedes-benz glc300. The contact stated that the passenger’s side headlight was developing fog, causing the light to be dim. The vehicle was taken to the dealer, who diagnosed the vehicle and determined that the headlight needed to be replaced. The vehicle was not…”

EXTERIOR LIGHTING · reported 2026-01-09

“Cylinder head valve seat leak ..vehicle mia fires and check engine light on”

ENGINE · reported 2026-01-07

“Headlight is defective and is filled with condensation which has caused the entire light to fail. The problem has been confirmed by a independent service center. The light has not been inspected by a manufacturer however the manufacturer was contacted and denied that a recall exists however other…”

EXTERIOR LIGHTING · reported 2025-12-31
Sources & methodology

Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2021 Mercedes-Benz Glc 300 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.