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2021 Mercedes-benz E-class Cabriolet
Solid pick. The public record on this car is clean for its age. Inspect it, then negotiate with confidence.
19 owner complaints · 0 recalls · data verified July 14, 2026 · source: NHTSA
Why buy?
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.
How it crashes
NHTSA’s own crash tests, separate from the reliability score above.
NHTSA crash-tested this model year but didn’t publish an overall star rating for it.
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 2021 Mercedes-benz E-class Cabriolet, plotted where owners report it happening.
Also reported (mileage varies): Electrical system (7) · Engine (6)
Mileage medians come from owners who mentioned an odometer reading in their NHTSA complaint, a rough guide, not a schedule.
Electrical system
37%7 complaints · 3 in the last 2 years
“1) Rear view camera sometimes working, some times not working. (Message reads “system inoperative “ 2) Forward view camera also affected. 3) display shown “12V battery…”
Engine
32%6 complaints · 3 in the last 2 years
“Engine keeps having a misfire that Mercedes put a TSB out for and once the misfire happen I cause the vehicle to go in a limp mode which causes the vehicle to loose po…”
Fuel system
16%3 complaints · 1 in the last 2 years
“The contact owns a 2021 Mercedes-Benz E350. The contact stated while driving at approximately 60 MPH, the check engine warning light illuminated, and the vehicle decel…”
Backup camera & sensors
16%3 complaints · 1 in the last 2 years
“I was parking and the 360 view sensor did not come up. When I tried to back out and move forward again, I realized the back up camera would not come on. I turned the c…”
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 2021 Mercedes-benz E-CLASS CABRIOLET beats every score on the internet, including ours.
What to ask forNot set on the 2021? See how every E-class Cabriolet model year scores →
Cross-shopping? Compare the 2021 Mercedes-benz E-class Cabriolet 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.