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2020 Mercedes-Benz SL 450Problems, recalls & complaints

NHTSA has logged 1 owner complaint about the 2020 Mercedes-Benz SL 450, most often about the communication. It is covered by 2 safety recalls, and for recall 22V-365 the manufacturer reports only 91% of affected cars repaired.

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CarFlaw IndexNot enough dataHigher is better (0–100)
Safety recalls2Lowest repair rate 91%Owner complaints10 with a crash, fire or injuryTop problem1Communication

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through May 20, 2022. Updated daily.

Complaints by system

Where the 2020 Mercedes-Benz SL 450 has problems

1 complaint grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Communication10
Electrical system10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

2 recalls

2020 Mercedes-Benz SL 450 recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

91%repaired · 2026 Q2

Communication: auto crash notification

Recall 22V-365 · May 20, 2022 · 242,722 vehicles · 219,931 repaired

Risk. A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency…

Problem, fix and repair progress →

95%repaired · 2023 Q4

Communication: auto crash notification

Recall 21V-058 · Feb 5, 2021 · 1,292,258 vehicles · 1,231,020 repaired

Risk. Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercedes-Benz.

Best & worst years

2020 vs. every other SL 450 year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the SL 450 median. How we score

'17'18'19'20
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
In owners' words

What SL 450 owners report

Recent communication complaints filed with NHTSA, shortened. Personal details are removed.

TL* THE CONTACT OWNS A 2020 MERCEDES-BENZ SL450. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 21V058000 (COMMUNICATION, ELECTRICAL SYSTEM) THAT STATED THAT THE REMEDY WAS AVAILABLE. THE CONTACT NOTIFIED JAMES MOTOR COMPANY MERCEDES-BENZ (2440 RICHMOND RD, LEXINGTON, KY 40502)…
Complaint 11404632 · Mar 24, 2021

Own a 2020 SL 450?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.