Home · 2018 · Mercedes-benz
2018 Mercedes-benz Cla-class
Solid pick. The public record on this car is clean for its age. Inspect it, then negotiate with confidence.
44 owner complaints · 0 recalls · data verified July 14, 2026 · source: NHTSA
Why buy?
Electrical system problems dominate (27% of complaints).
Very few owner complaints for its age and sales volume.
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.
The road ahead
What breaks on a 2018 Mercedes-benz Cla-class, plotted where owners report it happening.
Also reported (mileage varies): Electrical system (12) · Engine (9) · Airbags (7) · Body & structure (6)
Mileage medians come from owners who mentioned an odometer reading in their NHTSA complaint, a rough guide, not a schedule.
Electrical system
27%12 complaints · 3 in the last 2 years
“The panoramic sunroof opens and closes but will not shut completely in the back. When calling around for a quote mechanics were aware of the issue occurring with this …”
Engine
20%9 complaints · 4 in the last 2 years
“Check engine code PO52E - Positive Crankcase Ventilation regulator valve performance. Needs to be recalled”
Airbags
16%7 complaints · 4 in the last 2 years
“My car clock spring has went out, and it affects my car airbag deploy. I see it’s a problem with the Mercedes Cla250. It’s very dangerous it causes your horn not to wo…”
Body & structure
14%6 complaints · 4 in the last 2 years
“Water coming into the car through the floor”
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 CLA-CLASS beats every score on the internet, including ours.
What to ask forNot set on the 2018? See how every Cla-class model year scores →
Cross-shopping? Compare the 2018 Mercedes-benz Cla-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.