Avoid: No year grades F. Weakest: 2019
Best: 2016
8 model years of NHTSA owner complaints and recalls · How we grade
Across 11 model years, the Mercedes-Benz GLC has 1,588 owner-filed NHTSA complaints and 8 recalls on record. The most-reported areas are engine and electrical system. 2018 drew the most complaints (294), 2023 the fewest of the years on the road 3+ years (121).
Source: NHTSA complaints and recalls filed for Mercedes-Benz GLC vehicles (US, public record). Typical used asking price $21,000–$37,353.
Complaint volume by model year. Raw NHTSA totals, not adjusted for sales volume or time on the road, so older and higher-selling years accumulate more. Every year links to its full breakdown.
Highest: 2018 (294 complaints). Lowest: 2023 (121).
Sentiment is mixed and heavily dependent on model year, powertrain, and ownership expectations.
Astronomical bills for parts replacement cited (e.g., $3,000 for a cracked headlight, $4,000 for a power steering rack).
Specific issues with M274 and M264 turbo four-cylinder engines, including cracked pistons and cylinder head/valve problems. The 2.0L engine in the GLC 300 is also described as "seriously underpowered" by some.
System failures include inability to connect to satellites, inoperable cameras requiring system resets, failed over-the-air updates, and general software instability.
General consensus from owner discussions that the model is not built for long-term reliability and is a potential "money pit" out of warranty.
A single, detailed report of a 2023 GLC 300 surging uncontrollably in reverse. Community discussion suggests such events are often driver error, but the specific report is noted.
Owner insights cover all generations of the GLC. Individual model years are broken down above.
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