Mercedes-Benz GLS-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.
| rows | 29 |
|---|---|
| model years | 2017–2021 (5) |
| data through | 2026-09-20 |
| method | /data/methodology#known-issues |
| license | CC BY 4.0 (derived) |
Vehicle pages
Rows
| year | cluster_id | label | component_code | complaint_count | date_range | source_complaint_count | reviewed_at |
|---|---|---|---|---|---|---|---|
| 2021 | gls-2021-48v-battery-failure | 48V mild-hybrid battery system failure while driving | ELECTRICAL SYSTEM:12V/24V/48V BATTERY | 15 | 2021-07 → 2026-07 | 37 | 2026-08-21 |
| 2021 | gls-2021-48v-seat-fire | 48V electrical system fire under passenger seat | ELECTRICAL SYSTEM, SEATS | 3 | 2024-08 → 2025-05 | 37 | 2026-08-21 |
| 2021 | gls-2021-sunroof-explosion | Spontaneous sunroof glass breakage | UNKNOWN OR OTHER | 2 | 2022-04 → 2024-09 | 37 | 2026-08-21 |
| 2021 | gls-2021-rear-wheel-cracking | Rear wheel cracking and tire pressure loss | WHEELS | 1 | 2025-11 → 2025-11 | 37 | 2026-08-21 |
| 2021 | gls-2021-adas-false-activation | ADAS false alerts and unintended intervention | FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL, LANE DEPARTURE: BLIND SPOT DETECTION, ENGINE | 4 | 2021-07 → 2023-01 | 37 | 2026-08-21 |
| 2021 | gls-2021-mercedes-me-account-retention | Mercedes Me account linked to prior owner after resale | UNKNOWN OR OTHER | 2 | 2024-09 → 2024-09 | 37 | 2026-08-21 |
| 2021 | gls-2021-windshield-wiper-chatter | Windshield wiper chattering and skipping | VISIBILITY/WIPER | 2 | 2022-10 → 2023-09 | 37 | 2026-08-21 |
| 2020 | gls-2020-engine-harness-insulation-fire | Engine wiring harness insulation degrades, shorts | ELECTRICAL SYSTEM, ENGINE | 3 | 2025-04 → 2026-05 | 38 | 2026-08-30 |
| 2020 | gls-2020-window-trim-detaches | Window trim detaches from vehicle while driving | STRUCTURE | 2 | 2026-05 → 2026-05 | 38 | 2026-08-30 |
| 2020 | gls-2020-48v-battery-power-loss | 48V hybrid battery fault causes sudden power loss | ELECTRICAL SYSTEM | 11 | 2020-08 → 2025-01 | 38 | 2026-08-30 |
| 2020 | gls-2020-phantom-braking-acc | Adaptive cruise or collision system brakes with no hazard | FORWARD COLLISION AVOIDANCE | 3 | 2024-08 → 2026-03 | 38 | 2026-08-30 |
| 2020 | gls-2020-camera-view-restricted | Backup camera view restricted or unavailable | ELECTRICAL SYSTEM, FORWARD COLLISION AVOIDANCE, BACK OVER PREVENTION | 3 | 2024-07 → 2026-03 | 38 | 2026-08-30 |
| 2020 | gls-2020-dashboard-screen-blank | Dashboard display screen goes blank while driving | ELECTRICAL SYSTEM | 3 | 2021-10 → 2024-05 | 38 | 2026-08-30 |
| 2020 | gls-2020-rear-suspension-premature-failure | Rear shock absorber fails prematurely | SUSPENSION | 2 | 2025-01 → 2025-04 | 38 | 2026-08-30 |
| 2019 | gls-2019-oil-pump-solenoid-failure | Oil pump solenoid valve failure | ENGINE | 5 | 2024-09 → 2026-05 | 27 | 2026-09-02 |
| 2019 | gls-2019-glass-shatters-without-warning | Glass panel shatters without warning | UNKNOWN OR OTHER | 2 | 2020-04 → 2025-11 | 27 | 2026-09-02 |
| 2019 | gls-2019-active-curve-suspension-oil-leak | Active Curve suspension oil leak fire risk | SUSPENSION | 3 | 2024-10 → 2025-10 | 27 | 2026-09-02 |
| 2018 | gls-class-2018-sunroof-shatter | Panoramic sunroof glass panel shattering | STRUCTURE | 3 | 2018-11 → 2022-03 | 22 | 2026-07-20 |
| 2018 | gls-class-2018-brake-failure | Brake system failure to stop vehicle | SERVICE BRAKES | 4 | 2020-09 → 2025-08 | 22 | 2026-07-20 |
| 2018 | gls-class-2018-suspension-malfunction | Suspension system malfunction | SUSPENSION | 3 | 2025-04 → 2026-07 | 22 | 2026-07-20 |
| 2018 | gls-class-2018-neutral-shift | Uncommanded shift into neutral | POWER TRAIN | 2 | 2018-06 → 2018-11 | 22 | 2026-07-20 |
| 2018 | gls-class-2018-engine-fire | Engine compartment fire | ENGINE | 3 | 2018-08 → 2025-12 | 22 | 2026-07-20 |
| 2017 | gls-class-2017-spontaneous-glass-shatter | Spontaneous shattering of sunroof or window glass | UNKNOWN OR OTHER | 4 | 2017-04 → 2025-06 | 41 | 2026-08-29 |
| 2017 | gls-class-2017-dim-headlight-visibility | Low-beam headlight visibility at night | EXTERIOR LIGHTING | 5 | 2017-11 → 2022-03 | 41 | 2026-08-29 |
| 2017 | gls-class-2017-transmission-axle-failure | Transmission valve body or rear axle failure | POWER TRAIN | 3 | 2016-08 → 2025-10 | 41 | 2026-08-29 |
| 2017 | gls-class-2017-seat-heater-motor-failure | Seat heater overheating or seat motor failure | SEATS | 3 | 2016-05 → 2026-07 | 41 | 2026-08-29 |
| 2017 | gls-class-2017-engine-bay-fire | Engine bay fire tied to electrical or fuel system fault | ELECTRICAL SYSTEM, ENGINE, FUEL/PROPULSION SYSTEM | 5 | 2019-03 → 2025-10 | 41 | 2026-08-29 |
| 2017 | gls-class-2017-steering-lane-assist-swerve | Power steering loss or lane-assist swerve | STEERING | 4 | 2017-04 → 2023-06 | 41 | 2026-08-29 |
| 2017 | gls-class-2017-airmatic-suspension-failure | Airmatic air suspension system failure | SUSPENSION | 2 | 2024-03 → 2024-12 | 41 | 2026-08-29 |
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 GLS-Class [dataset]. https://www.wrench.pro/data/known-issues/mercedes-benz/gls-class
@misc{wrenchpro_known_issues_mercedes_benz_gls_class_2026,
author = {Wrench.Pro},
title = {Wrench.Pro Known Issues clusters: Mercedes-Benz GLS-Class},
year = {2026},
howpublished = {\url{https://www.wrench.pro/data/known-issues/mercedes-benz/gls-class}},
note = {Derived from NHTSA public records. CC BY 4.0.}
}hub · known-issues · methodology · license · research (interpretation)