Mercedes-Benz GLC 300 Problems by Model Year

NHTSA recorded 659 consumer complaints across the 10 model years of the Mercedes-Benz GLC 300 (2016–2025) that have at least 5 complaints. 2016 has the most, with 134. Across all years, the part named most often is engine (201 mentions). Pick a model year below to see its parts, mileage, recalls and service bulletins.

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All GLC 300 model years

Years with fewer than 5 complaints are not listed. The score compares years of the same model, allowing for the era and for how long each year has collected complaints: 50 is a typical year, lower means fewer complaints. It is not adjusted for sales volume.

Parts named most often, all years

Counts add up complaint mentions across the listed years. A complaint can name several parts.

• Engine201 29%
• Electrical system127 18%
• Other or unknown113 16%
• Fuel system90 13%
• Brakes54 7.7%
• Transmission and drivetrain46 6.5%
• Air bags37 5.3%
• Steering36 5.1%

Example complaints

One per model year, chosen for length and detail. Personal details are removed. They are consumer reports, not findings.

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