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Mercedes-Benz GLC-Class: known issues clusters

All rows for this model in the Known Issues clusters dataset, newest model year first. Each year links to its consumer page, which shows the same records with context.

rows74
model years2016–2025 (10)
data through2026-09-20
method/data/methodology#known-issues
licenseCC BY 4.0 (derived)
mercedes-benz.csv (whole make)

Vehicle pages

2025 · 2024 · 2023 · 2022 · 2021 · 2020 · 2019 · 2018 · 2017 · 2016

Rows

yearcluster_idlabelcomponent_codecomplaint_countdate_rangesource_complaint_countreviewed_at
2025glc-2025-display-blackoutInstrument panel and infotainment screen blackoutELECTRICAL SYSTEM182024-12 → 2026-08422026-08-20
2025glc-2025-unintended-accelerationUnintended vehicle acceleration at low speedVEHICLE SPEED CONTROL, SERVICE BRAKES, HYDRAULIC32025-08 → 2026-08422026-08-20
2025glc-2025-phantom-braking-adasUnprovoked automatic emergency braking activationFORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING, ELECTRICAL SYSTEM, ENGINE42025-08 → 2026-03422026-08-20
2025glc-2025-sunroof-shatteringSunroof glass spontaneous shattering while drivingVISIBILITY:SUN/MOON ROOF ASSEMBLY32025-11 → 2026-07422026-08-20
2025glc-2025-power-liftgate-closurePower liftgate unintended closure on occupantsSTRUCTURE:BODY:HATCHBACK/LIFTGATE, ELECTRICAL SYSTEM32024-12 → 2026-05422026-08-20
2025glc-2025-seat-auto-adjustmentDriver seat automatic rearward adjustment while in motionUNKNOWN OR OTHER, SEATS, STEERING22025-08 → 2025-10422026-08-20
2025glc-2025-transmission-downshift-joltTransmission abrupt jolt during downshift decelerationPOWER TRAIN22025-07 → 2026-08422026-08-20
2024glc-2024-powertrain-transmission-downshiftTransmission unexpected downshift and power lossPOWER TRAIN62024-09-30 → 2026-05-27302026-08-20
2024glc-2024-aeb-unintended-activationAutomatic emergency braking activation without obstructionFORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING42024-11-13 → 2026-02-27302026-08-20
2024glc-2024-liftgate-unintended-closurePower liftgate unintended closure striking occupantsSTRUCTURE:BODY:HATCHBACK/LIFTGATE, FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING, VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR42024-09-02 → 2026-07-08302026-08-20
2024glc-2024-48v-battery-check-engine48V battery fault triggering check engine warningELECTRICAL SYSTEM:12V/24V/48V BATTERY42024-01-08 → 2024-01-19302026-08-20
2024glc-2024-engine-camshaft-oil-pressureEngine camshaft adjuster damage and power lossENGINE22026-06-03 → 2026-06-04302026-08-20
2024glc-2024-brake-pedal-responseBrake pedal spongy or unresponsive responseSERVICE BRAKES22023-11-16 → 2026-04-10302026-08-20
2024glc-2024-adas-system-suspensionDriver assistance system warnings and unexpected suspensionUNKNOWN OR OTHER, BACK OVER PREVENTION: WARNINGS, LANE DEPARTURE: BLIND SPOT DETECTION32024-12-09 → 2026-07-18302026-08-20
2023glc300-2023-electrical-12v-48v-failure12V and 48V electrical system failures and no-startsELECTRICAL SYSTEM182023-06 → 2026-03642026-08-20
2023glc300-2023-aebs-false-activationAutomatic emergency braking unprovoked activationFORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING92023-08 → 2026-07642026-08-20
2023glc300-2023-power-liftgate-closingPower liftgate closing without inputSTRUCTURE:BODY:HATCHBACK/LIFTGATE82023-07 → 2025-09642026-08-20
2023glc300-2023-sunroof-shatteringPanoramic sunroof glass spontaneous shatteringUNKNOWN OR OTHER32024-12 → 2026-04642026-08-20
2023glc300-2023-digital-headlight-deficiencyDigital light system inadequate beam output and failuresEXTERIOR LIGHTING62023-08 → 2024-08642026-08-20
2023glc300-2023-traffic-sign-speed-controlTraffic sign assist causing abrupt speed changesVEHICLE SPEED CONTROL, UNKNOWN OR OTHER, FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL32023-08 → 2026-04642026-08-20
2023glc300-2023-engine-check-light-48vCheck engine light and 48V mild hybrid system faultsENGINE, ELECTRICAL SYSTEM72023-08 → 2024-01642026-08-20
2022glc300-2022-steering-wheel-vibrationSteering wheel vibration over road irregularitiesSTEERING112021-12 → 2026-06592026-08-20
2022glc300-2022-fuel-pump-recall-23v445Fuel pump recall 23V-445 parts unavailability and post-repair failuresFUEL SYSTEM, GASOLINE132023-08 → 2026-03592026-08-20
2022glc300-2022-engine-cylinder-head-failureEngine cylinder head and valve seat failure with power lossENGINE72025-12 → 2026-08592026-08-20
2022glc300-2022-loss-of-propulsion-highwaySudden loss of propulsion and unintended deceleration while drivingPOWER TRAIN72023-08 → 2026-04592026-08-20
2022glc300-2022-steering-loss-of-controlComplete loss of steering control at highway speedsUNKNOWN OR OTHER, STEERING22025-10 → 2025-10592026-08-20
2022glc300-2022-total-electrical-failureTotal electrical system shutdown while drivingELECTRICAL SYSTEM, SERVICE BRAKES, ENGINE22024-02 → 2026-07592026-08-20
2022glc300-2022-vehicle-fireVehicle fire while drivingENGINE, UNKNOWN OR OTHER, ELECTRICAL SYSTEM22023-11 → 2025-03592026-08-20
2022glc300-2022-transmission-shift-hesitationTransmission hard shift and acceleration hesitationUNKNOWN OR OTHER32025-03 → 2025-10592026-08-20
2021glc-2021-cylinder-head-engine-failureCylinder head failure with power loss and misfiresENGINE222021-03 → 2026-06692026-08-21
2021glc-2021-headlight-moisture-intrusionHeadlight condensation and failure outside recall scopeEXTERIOR LIGHTING112024-01 → 2026-08692026-08-21
2021glc-2021-engine-limp-mode-power-lossSudden engine power loss and limp mode while drivingFUEL/PROPULSION SYSTEM, ENGINE, POWER TRAIN82021-04 → 2025-11692026-08-21
2021glc-2021-oil-pressure-solenoid-p06daOil pressure solenoid wiring fault code P06DAELECTRICAL SYSTEM, ENGINE22026-02 → 2026-05692026-08-21
2021glc-2021-sunroof-spontaneous-shatteringPanoramic sunroof glass spontaneous shatteringSTRUCTURE:BODY, VISIBILITY/WIPER32022-05 → 2023-05692026-08-21
2021glc-2021-fuel-system-stall-pumpFuel system failure causing stall or loss of propulsionFUEL/PROPULSION SYSTEM42021-06 → 2024-12692026-08-21
2021glc-2021-adas-blind-spot-brake-assistBlind Spot Assist and Active Brake Assist inoperativeFORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING, LANE DEPARTURE: BLIND SPOT DETECTION, AIR BAGS22022-12 → 2026-03692026-08-21
2020glc-2020-headlight-moisture-intrusionHeadlight assembly moisture intrusion and failureEXTERIOR LIGHTING62024-07 → 2026-02782026-08-27
2020glc-2020-panoramic-sunroof-shatteringPanoramic sunroof shattering or detaching while drivingSTRUCTURE62021-04 → 2026-02782026-08-27
2020glc-2020-backup-camera-failure-recallBackup camera display failure tied to recall 21V354BACK OVER PREVENTION92022-02 → 2025-07782026-08-27
2020glc-2020-oil-pump-pressure-failureOil pump and oil pressure control failureENGINE32025-04 → 2026-06782026-08-27
2020glc-2020-cylinder-head-valve-seat-failureCylinder head and valve seat failure causing misfireENGINE112024-05 → 2025-12782026-08-27
2020glc-2020-sudden-power-loss-hesitationSudden hesitation or loss of power during accelerationVEHICLE SPEED CONTROL, ENGINE122020-12 → 2026-05782026-08-27
2019glc-2019-sunroof-panel-failurePanoramic sunroof panel shattering or detachmentSTRUCTURE112021-04 → 2026-04682026-08-28
2019glc-2019-pcv-valve-failureCrankcase ventilation (PCV) valve failureENGINE82023-05 → 2025-03682026-08-28
2019glc-2019-sim-module-recall-delaySIM module recall repair unavailableELECTRICAL SYSTEM, COMMUNICATION72021-04 → 2022-12682026-08-28
2019glc-2019-loss-of-motive-powerLoss of motive power or stalling while drivingENGINE102019-04 → 2026-05682026-08-28
2019glc-2019-unintended-accelerationUnintended acceleration eventsVEHICLE SPEED CONTROL52021-12 → 2026-01682026-08-28
2019glc-2019-steering-wheel-judderSteering wheel judder and knocking noise when turningSTEERING, WHEELS42019-12 → 2024-11682026-08-28
2019glc-2019-backup-camera-failureBackup camera and infotainment electronics malfunctionBACK OVER PREVENTION42019-01 → 2025-02682026-08-28
2019glc-2019-engine-compartment-fireEngine compartment fire while parkedELECTRICAL SYSTEM, ENGINE22025-06 → 2025-07682026-08-28
2018glc-class-2018-crankcase-vent-valve-p052eCrankcase ventilation valve malfunction (code P052E)ENGINE262022-04 → 2025-11982026-07-30
2018glc-class-2018-transmission-neutral-shiftTransmission shifting into Neutral while drivingPOWER TRAIN102018-10 → 2025-12982026-07-30
2018glc-class-2018-panoramic-sunroof-shatterPanoramic sunroof shattering or trim panel detachmentSTRUCTURE92018-12 → 2026-03982026-07-30
2018glc-class-2018-seat-belt-latch-retractionRear seat belt latch plate retraction and buckle warningsSEAT BELTS82018-05 → 2024-05982026-07-30
2018glc-class-2018-m274-piston-failureM274 engine piston failureENGINE32023-11 → 2026-06982026-07-30
2018glc-class-2018-brake-squealBrake squeal and grinding noise at low speedSERVICE BRAKES52018-02 → 2019-12982026-07-30
2018glc-class-2018-clock-spring-airbag-warningSteering wheel clock spring failure with air bag warningAIR BAGS62020-10 → 2025-11982026-07-30
2018glc-class-2018-unintended-accelerationUnintended acceleration during parking maneuversVEHICLE SPEED CONTROL32020-01 → 2025-09982026-07-30
2017glc-class-2017-pcv-crankcase-valve-failurePositive crankcase ventilation valve failureENGINE292021-02 → 2025-041152026-08-26
2017glc-class-2017-panoramic-sunroof-glass-failurePanoramic sunroof glass failureVISIBILITY112017-02 → 2025-111152026-08-26
2017glc-class-2017-recall-17v114000-parts-delayEngine cooling recall parts unavailableELECTRICAL SYSTEM, ENGINE52017-06 → 2017-081152026-08-26
2017glc-class-2017-service-brake-squealService brake squealSERVICE BRAKES42016-12 → 2019-011152026-08-26
2017glc-class-2017-fuel-line-leak-odorFuel line leak and fuel odorFUEL/PROPULSION SYSTEM82020-01 → 2026-021152026-08-26
2017glc-class-2017-transmission-neutral-shiftUnexpected loss of drive or neutral shiftPOWER TRAIN72017-02 → 2025-081152026-08-26
2017glc-class-2017-airbag-seatbelt-malfunctionAirbag and seat belt system malfunctionSEAT BELTS, AIR BAGS182017-01 → 2026-021152026-08-26
2017glc-class-2017-engine-failure-replacementEngine failure requiring replacementENGINE72021-05 → 2023-041152026-08-26
2016glc-class-2016-brake-squeal-reverseBrake squeal when reversing or in cold weatherSERVICE BRAKES282016-12 → 2023-011382026-08-23
2016glc-class-2016-pcv-valve-failurePositive crankcase ventilation valve failureENGINE252019-10 → 2025-011382026-08-23
2016glc-class-2016-fuel-odor-cabinFuel odor in cabin from fuel line or rail leakFUEL/PROPULSION SYSTEM142016-04 → 2025-101382026-08-23
2016glc-class-2016-sunroof-panel-detachmentPanoramic sunroof panel detachment or shatteringSTRUCTURE102016-06 → 2026-061382026-08-23
2016glc-class-2016-starting-limiter-recall-delayStarting current limiter recall repair delayELECTRICAL SYSTEM, ENGINE112017-03 → 2017-091382026-08-23
2016glc-class-2016-engine-piston-failureEngine piston or camshaft failure requiring replacementENGINE82016-07 → 2024-101382026-08-23
2016glc-class-2016-takata-airbag-recall-delayTakata airbag recall parts unavailabilityAIR BAGS72017-11 → 2018-031382026-08-23
2016glc-class-2016-unintended-accelerationUnintended acceleration with loss of brakingVEHICLE SPEED CONTROL42017-09 → 2022-021382026-08-23

Representative quotes are in the CSV and JSON files (fields quote_1_odi … quote_3_text), and on each vehicle page.

Cite this

Derived data is CC BY 4.0. Link back to the page you used. Text and BibTeX below.

Wrench.Pro (2026). Known Issues clusters — Mercedes-Benz GLC-Class [dataset]. https://www.wrench.pro/data/known-issues/mercedes-benz/glc-class
@misc{wrenchpro_known_issues_mercedes_benz_glc_class_2026,
  author = {Wrench.Pro},
  title = {Wrench.Pro Known Issues clusters: Mercedes-Benz GLC-Class},
  year = {2026},
  howpublished = {\url{https://www.wrench.pro/data/known-issues/mercedes-benz/glc-class}},
  note = {Derived from NHTSA public records. CC BY 4.0.}
}

hub · known-issues · methodology · license · research (interpretation)