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2018 Mercedes-benz Glc-class
Solid pick. The public record on this car is clean for its age. Inspect it, then negotiate with confidence.
98 owner complaints · 0 recalls · data verified July 14, 2026 · source: NHTSA
Why buy?
Engine problems dominate (32% of complaints, typically reported near 65k miles).
Zero recalls, rare for a car this age.
The math, shown
Full methodology →Complaints filed per year
Fading = early teething worked out. Climbing = problems aging in.
How it crashes
NHTSA’s own crash tests, separate from the reliability score above.
5/5 overall
NHTSA 5-Star Safety Rating · 2018 Mercedes-Benz GLC-Class SUV 4WD
Rollover risk in a single-vehicle crash: 18%
3 open NHTSA defect investigations on file, separate from the recalls above.
Source: nhtsa.gov/ratings. Star ratings compare vehicles within the same class and size, not across every car on the road.
The road ahead
What breaks on a 2018 Mercedes-benz Glc-class, plotted where owners report it happening.
Also reported (mileage varies): Electrical system (15) · Body & structure (11) · Transmission & drivetrain (10) · Fuel system (8)
Mileage medians come from owners who mentioned an odometer reading in their NHTSA complaint, a rough guide, not a schedule.
Engine
32%31 complaints · typically near 65k mi · 5 in the last 2 years
“Component Failure: The vehicle is equipped with the M274 2.0L turbocharged engine, which suffered a major internal mechanical defect. An authorized Mercedes-Benz deale…”
Electrical system
15%15 complaints · 3 in the last 2 years
“Malfunction and engine light is on. Found p052e present. Recommended replacement of crankcase breather assembly”
Body & structure
11%11 complaints · 1 in the last 2 years
“While driving on interstate 4 in Florida with our grandchildren going approximately 70 mph the sunroof on our 2018 Mercedes GLC just exploded no object came into the v…”
Transmission & drivetrain
10%10 complaints · 5 in the last 2 years
“Component Failure: The vehicle is equipped with the M274 2.0L turbocharged engine, which suffered a major internal mechanical defect. An authorized Mercedes-Benz deale…”
Recalls (0)
No recall campaigns on file for this model year.
Before you hand over money
Check the VIN for open recalls
NHTSA’s free lookup shows whether this exact car had its recall remedies completed.
Free NHTSA VIN check ↗Get a pre-purchase inspection
A $150 to $250 independent inspection of this exact 2018 Mercedes-benz GLC-CLASS beats every score on the internet, including ours.
What to ask forNot set on the 2018? See how every Glc-class model year scores →
Cross-shopping? Compare the 2018 Mercedes-benz Glc-class against another car →
What owners say
Real owners of this exact model-year, shown separately from the NHTSA score. If they disagree, that’s worth knowing.