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2020 Mercedes-benz S-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.
7 owner complaints · 0 recalls · data verified July 14, 2026 · source: NHTSA
What the record shows so far
Only 7 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.
2 open NHTSA defect investigations on file for this model year, 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 2020 Mercedes-benz S-class, plotted where owners report it happening.
Visibility & wipers
29%2 complaints
“The contact owns a 2020 Mercedes-Benz S560. The contact stated that while driving approximately 60 MPH, there was an abnormal sound and shards of glass started enterin…”
Speed control
29%2 complaints
“INTERMITTENT (AT LEAST A HALF DOZEN TIMES SINCE FEB 2020 PURCHASE) UNINTENDED INCREASE IN SPEED BY AS MUCH AS 35 MPH; TAKEN TO SELLING DEALER WHO COULD NOT DETECT A PR…”
Fuel system
14%1 complaints · 1 in the last 2 years
“The fuel pump My car stopped on the highway [XXX] on [XXX] with my children in the car with no warning at all. I was so lucky nobody hit us and it took 20 minutes of t…”
Engine
14%1 complaints · 1 in the last 2 years
“The contact owns a 2020 Mercedes-Benz S 560. The contact stated while driving 10 MPH, the check engine warning light illuminated. The vehicle was taken to the dealer, …”
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 S-CLASS beats every score on the internet, including ours.
What to ask forNot set on the 2020? See how every S-class model year scores →
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What owners say
Real owners of this exact model-year, shown separately from the NHTSA score. If they disagree, that’s worth knowing.