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Mercedes-Benz GLC300

2017 only

125 classified complaints 12 recalls

2017 Mercedes-Benz GLC300 have 125 classified complaints on record for that year specifically, plus 12 recalls. The most common issue in this year is Airbags, seatbelts and restraints, typically surfacing around 65,500 miles.

Computed directly from stored federal records for 2017 model years only — not blended with the rest of this vehicle's production run. See the full Mercedes-Benz GLC300 report for every year combined.

Where this year fits

2016

2017

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

What breaks, and when — 2017 only

Airbags, seatbelts and restraints · Body and interior 21 complaints

Median onset: 65,500 miles. 4.8% of these reported an injury, a death, or a crash with fire.

Internal engine (bearings, pistons, rings) · Engine 21 complaints

Median onset: 53,000 miles.

Oil consumption and leaks · Engine 10 complaints

Onset mileage not consistently reported.

Sunroof and panoramic roof · Body and interior 9 complaints

Median onset: 69,000 miles.

Tends to show up later than this model's other issues. · Typical repair: $330–$620 nationally.

Oxygen, NOx and EVAP sensors and valves · Exhaust and emissions 8 complaints

Onset mileage not consistently reported.

Typical repair: $180–$500 nationally.

Driver-assist cameras, radar and calibration · Electrical 6 complaints

Median onset: 25,500 miles. 16.7% of these reported an injury, a death, or a crash with fire.

Tends to show up earlier than this model's other issues.

Harsh, delayed or erratic shifting · Transmission 6 complaints

Median onset: 41,250 miles.

Engine and transmission mounts · Engine 5 complaints

Onset mileage not consistently reported.

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 2017 model year. See the full Mercedes-Benz GLC300 report for every year and full specs/safety data.