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2020 Mercedes-benz Cls-class
Limited data: few reports on file, read the verdict loosely
Too few owner complaints are on file to affirm this car. Treat it as unproven, not endorsed, and lean hard on a professional pre-purchase inspection.
6 owner complaints · 0 recalls · data verified July 14, 2026 · source: NHTSA
What the record shows so far
Only 6 owner complaints on file for this exact model year, too few to judge long-term reliability. Treat this as unproven, not endorsed, and lean on a professional inspection.
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 2020 Mercedes-benz Cls-class, plotted where owners report it happening.
Electrical system
67%4 complaints
“******* DELETE VOQ ******* THIS COMPLAINT IS BEING MARKED FOR DELETION BECAUSE IT IS AN INADVERTENT DUPLICATE OF ODI# 11496545*DJR ******* DELETE VOQ *******”
Backup camera & sensors
17%1 complaints · 1 in the last 2 years
“Rear view camera sticks open and shows a black screen in the car... there is a recall but not for my specific vehicle... when it sticks open its inoperable and using t…”
Wheels
17%1 complaints
“I purchased my 2020 Mercedes-Benz CLS 450 with approximately 12,000 miles on 08/16/2022. Throughout the course of my ownership the vehicle has had multiple sets of tir…”
Engine
17%1 complaints
“THE 2020 MERCEDES CLS HAS A KNOWN DEFECT IN THEIR 48V SYSTEM THAT TURNS THE ENGINE OFF IN LOCATIONS WITH HIGH HET ZONES. I WAS TOLD BY THE MERCEDES SERVICE DEPARTMENT …”
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 2020 Mercedes-benz CLS-CLASS beats every score on the internet, including ours.
What to ask forNot set on the 2020? See how every Cls-class model year scores →
Cross-shopping? Compare the 2020 Mercedes-benz Cls-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.