AutoUtility currently tracks 65 official NHTSA owner defect complaints for the 2023 Mercedes-Benz GLC. Electrical System issues are the most frequently reported category, appearing in 30 complaints (46.2% of submitted records). Among these NHTSA complaint records, 2 filings cite a crash, 3 report one or more injuries, 1 reports one or more fatalities. The 2023 Mercedes-Benz GLC belongs to the 1st Generation (X253/C253) platform.
- • Total NHTSA Complaints: 65 reports
- • #1 Reported Problem Area: Electrical System (30 reports • 46.2% of submitted complaints)
- • Secondary Problem Areas: Driver Assistance & Safety Tech (13), Engine & Cooling (12)
- • Crash-Citing Complaints: 2 filings
- • Fire-Citing Complaints: 0 filings
- • Complaints Reporting Injuries / Fatalities: 3 injury filings • 1 fatality filings
Most Reported Problems for 2023 Mercedes-Benz GLC
Top automotive subsystem defect categories ranked by unique owner complaint volume in federal records
Electrical System
NHTSA records list 2 official safety recall campaigns for this model year involving the same broad component area:
- Campaign #24V115000 ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
- Campaign #25V255000 ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
Driver Assistance & Safety Tech
Engine & Cooling
Exterior Lighting
NHTSA records list 1 official safety recall campaign for this model year involving the same broad component area:
- Campaign #25V365000 EXTERIOR LIGHTING:HEADLIGHTS
Brakes & Traction Control
Symptoms Mentioned in NHTSA Owner Reports for 2023 Mercedes-Benz GLC
Specific mechanical, electrical, and driver-assist defect symptoms identified via deterministic narrative analysis
AutoUtility uses deterministic phrase matching to identify recurring symptom descriptions within consumer-submitted NHTSA complaint narratives.
Engine Stalling / Sudden Shutdown
Recent NHTSA Owner Reports for 2023 Mercedes-Benz GLC
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"The contact owns a 2023 Mercedes-Benz GLC 300 4MATIC. The contact stated that while driving at an undisclosed speed, the brake pedal was depressed; however, the brake pedal felt as if it had released, and the vehicle failed to stop as needed. The contact stated that the failure was a recurring..."
"My 2023 GLC300 suffered a severe, unprovoked emergency brake deployment in traffic, nearly causing a pileup. on [XXX]. The car has only 14,500 miles and has a chronic history of dangerous, unprovoked Active Brake Assist deployments. It broke down twice in its first month of ownership for other..."
"I purchased a new Mercedes Benz GLC300 2023. Last month, my friend and I were driving on I75 in Florida when we heard what sounded like a loud boom or gunshot. We quickly discovered that my sunroof had exploded. The sunroof was closed, and fortunately so was the sunshade, as large pieces of glass..."
"The issue is regarding the “Traffic Sign Assist” (Owner’s Manual page 221) feature of the Adaptive Cruise Control System. Vehicle will be made available if requested. The function of the "Traffic Sign Assist" is to monitor roadside "Speed Limit" signs and the cruise control will increase or..."
"My sunroof exploded while driving on the interstate."
Complaint History for Mercedes-Benz GLC
Reported defect complaint volume across sibling model years (2016–2026)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2016 Mercedes-Benz GLC | 139 | 10 | 12 | View 2016 Problems → |
| 2017 Mercedes-Benz GLC | 115 | 5 | 12 | View 2017 Problems → |
| 2018 Mercedes-Benz GLC | 99 | 5 | 14 | View 2018 Problems → |
| 2019 Mercedes-Benz GLC | 68 | 5 | 14 | View 2019 Problems → |
| 2020 Mercedes-Benz GLC | 78 | 3 | 18 | View 2020 Problems → |
| 2021 Mercedes-Benz GLC | 8 | 0 | 9 | View 2021 Problems → |
| 2022 Mercedes-Benz GLC | 62 | 5 | 2 | View 2022 Problems → |
| 2023 Mercedes-Benz GLC Current Page | 65 | 2 | 12 | Current |
| 2024 Mercedes-Benz GLC | 0 | 0 | 8 | View 2024 Problems → |
| 2025 Mercedes-Benz GLC | 17 | 4 | 3 | View 2025 Problems → |
| 2026 Mercedes-Benz GLC | 0 | 0 | 3 | View 2026 Problems → |
Detailed NHTSA Component Breakdown for 2023 Mercedes-Benz GLC
Complete distribution of consumer defect reports across all 35 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Reported Injury Entries | Reported Fatality Entries |
|---|---|---|---|---|---|
| Electrical System NHTSA category: ELECTRICAL SYSTEM | 9 | 1 | 0 | 0 | 0 |
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 9 | 0 | 0 | 2 | 0 |
| ELECTRICAL SYSTEM,ENGINE | 4 | 0 | 0 | 0 | 0 |
| EXTERIOR LIGHTING | 4 | 0 | 0 | 0 | 0 |
| Structure & Body NHTSA category: STRUCTURE | 4 | 0 | 0 | 1 | 0 |
| Forward Collision Avoidance NHTSA category: FORWARD COLLISION AVOIDANCE | 3 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,EXTERIOR LIGHTING,ENGINE | 2 | 0 | 0 | 0 | 0 |
| Engine NHTSA category: ENGINE | 2 | 0 | 0 | 0 | 0 |
| Service Brakes NHTSA category: SERVICE BRAKES | 2 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,ENGINE,COMMUNICATION | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,EXTERIOR LIGHTING | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,EXTERIOR LIGHTING,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,EXTERIOR LIGHTING,VISIBILITY/WIPER | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,LANE DEPARTURE,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,SERVICE BRAKES,ENGINE | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,SERVICE BRAKES,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,STRUCTURE | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| EXTERIOR LIGHTING,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| LANE DEPARTURE,STRUCTURE | 1 | 0 | 0 | 1 | 0 |
| Powertrain NHTSA category: POWER TRAIN | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ELECTRICAL SYSTEM,ENGINE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ELECTRICAL SYSTEM,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| Service Brakes NHTSA category: SERVICE BRAKES, HYDRAULIC | 1 | 0 | 0 | 0 | 0 |
| SERVICE BRAKES, HYDRAULIC,POWER TRAIN,EQUIPMENT | 1 | 0 | 0 | 0 | 0 |
| SERVICE BRAKES,ENGINE | 1 | 0 | 0 | 0 | 0 |
| SERVICE BRAKES,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| STEERING,ELECTRICAL SYSTEM,FUEL/PROPULSION SYSTEM | 1 | 1 | 0 | 0 | 1 |
| STEERING,ELECTRICAL SYSTEM,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| VEHICLE SPEED CONTROL,LANE DEPARTURE,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| VEHICLE SPEED CONTROL,UNKNOWN OR OTHER,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.