repaired · 2026 Q3
Doors: lock
NewRisk. A vehicle rollaway increases the risk of a crash or injury.
2024 Mercedes-Benz GLC 300Problems, recalls & complaints
NHTSA has logged 21 owner complaints about the 2024 Mercedes-Benz GLC 300, most often about the engine. It is covered by 8 safety recalls, and for recall 24V-862 the manufacturer reports only 67% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through July 24, 2026. Updated daily. Photo: LuvsMG481, CC BY-SA 4.0.
Complaints by system
Where the 2024 Mercedes-Benz GLC 300 has problems
21 complaints grouped by the system owners reported.
7Engine
6Electrical system
5Power train
3Exterior lighting
3Service brakes1 crash/fire/injury
2Forward collision avoidance1 crash/fire/injury
1Visibility/wiper
1Seat belts
1Vehicle speed control
11 other systems
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Engine | 7 | 0 |
| Electrical system | 6 | 0 |
| Power train | 5 | 0 |
| Exterior lighting | 3 | 0 |
| Service brakes | 3 | 1 |
| Forward collision avoidance | 2 | 1 |
| Visibility/wiper | 1 | 0 |
| Seat belts | 1 | 0 |
| Vehicle speed control | 1 | 0 |
| 1 other systems | 1 | 1 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
8 recalls
2024 Mercedes-Benz GLC 300 recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2026 Q3
Steering: critical fasteners
Risk. A loose steering coupling can cause a loss of steering control, increasing the risk of a crash.
repaired · 2026 Q3
Body: roof and pillars
Risk. In the event of a crash, insufficient impact protection can increase the risk of injury.
repaired · 2026 Q3
Wiring: fuses and circuit breakers
Risk. An incorrect fuse box can result in a sudden loss of drive power or a loss of critical safety functions such as the restraint systems or instrument cluster,…
Show 4 more recalls
repaired · 2026 Q3
Driveline: differential unit
Risk. Driveshaft separation can cause a loss of drive power, increasing the risk of a crash.
repaired · 2026 Q1
Structure: frame and members
Risk. A loss of vehicle control increases the risk of a crash.
repaired · 2026 Q1
Wiring: fuses and circuit breakers
Risk. An 80-Amp fuse that fails can result in a sudden loss of drive power or a loss of critical safety functions such as the restraint systems or instrument…
repaired · 2025 Q3
Structure
Risk. Detached windows may cause a road hazard and increase the risk of a crash or injury.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercedes-Benz.
Best & worst years
2024 vs. every other GLC 300 year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the GLC 300 median. How we score
'16'17'18'19'20'21'22'23'24'25'26
- Avoid
- Caution
- Solid
- Best
- Not rated
In owners' words
What GLC 300 owners report
Recent engine complaints filed with NHTSA, shortened. Personal details are removed.
While driving the vehicle the engine started running rough, check engine light illuminated and it would not accelerate above 40 mph. There are 29,100 miles on the vehicle, it's been serviced on schedule by Mercedes and is owned by me since new. It is especially concerning due to the acceleration…
•Incident Details: •Both sudden shutdown incidents •“12V Battery” warning (first incident) •“Stop - Switch Off Vehicle” warning (second incident) •That it happened with children in the car on a tollway Safety Concerns: •Loss of power steering/braking •Risk of collision •Repeated failures on a…
Attention Assist System Suspended notification comes on randomly on vehicle while driving, rendering driver defenseless with regard to safety warnings that would otherwise be in effect, such as blind spot assist, attention assist, which are vital components for safe driving. This has happened on…
Own a 2024 GLC 300?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.