M MILEMARK Brands Repair costs Guides

Mercedes-Benz GLC 300

2023 only

98 classified complaints 12 recalls

2023 Mercedes-Benz GLC 300 have 98 classified complaints on record for that year specifically, plus 12 recalls. The most common issue in this year is Body control and other modules, typically surfacing around 7,000 miles.

Computed directly from stored federal records for 2023 model years only — not blended with the rest of this vehicle's production run. See the full Mercedes-Benz GLC 300 report for every year combined.

Where this year fits

2018

2019

2020

2021

2022

2023

Complaints filed per individual model year — highlighted bars link to their own dedicated page.

What breaks, and when — 2023 only

Body control and other modules · Electrical 30 complaints

Median onset: 7,000 miles. 10.0% of these reported an injury, a death, or a crash with fire.

More common in newer model years.

Battery, alternator and charging · Electrical 22 complaints

Median onset: 400 miles.

Tends to show up earlier than this model's other issues. · More common in newer model years. · Typical repair: $250–$1,030 nationally.

Driver-assist cameras, radar and calibration · Electrical 21 complaints

Median onset: 12,000 miles.

Tends to show up later than this model's other issues. · More common in newer model years.

Doors, windows, latches, seats and trim · Body and interior 9 complaints

Median onset: 5,500 miles. 44.4% of these reported an injury, a death, or a crash with fire.

Fuel pump and sending unit · Fuel system 3 complaints

Onset mileage not consistently reported.

More common in older model years. · Typical repair: $630–$1,700 nationally.

Wiring harness, grounds and connectors · Electrical 3 complaints

Onset mileage not consistently reported.

More common in newer model years.

Sunroof and panoramic roof · Body and interior 2 complaints

Onset mileage not consistently reported.

Typical repair: $330–$620 nationally.

Hybrid or EV traction battery and inverter · Electrical 2 complaints

Onset mileage not consistently reported.

More common in newer model years. · Typical repair: $2,740–$5,240 nationally.

From owner-filed complaints to NHTSA, not independently verified. Federal mileage reporting on recent complaints is sparse — see how it works. Cost ranges are national estimates from book labor hours and parts pricing, not this vehicle's actual repair history — they don't account for your location or shop type.

Cost estimator: what will this one cost you?

Enter the car's year and mileage. See which known problems are due in your next 3 years, what each costs at your state's labor rates, which ones to ask the seller about, and routine maintenance to budget for.

Sources: NHTSA Office of Defects Investigation — complaints and recalls, scoped to 2023 model year. See the full Mercedes-Benz GLC 300 report for every year and full specs/safety data.