Total Complaints
2 filings
MERCEDES-BENZ SL 450 · model year
2 NHTSA complaints, and 2 active recalls for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2020MERCEDES-BENZSL 450 carries 2 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2020 SL 450 is electrical system with 1 filings, followed by communication (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability. This model year has 2 active recall campaigns, which means the manufacturer is obligated to remedy the covered defect at no charge for the life of the vehicle — the full NHTSA campaign numbers are listed below.
NHTSA currently has 15 investigation files overlapping the 2020 SL 450. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
2 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ELECTRICAL SYSTEM | 1 |
| COMMUNICATION | 1 |
ELECTRICAL SYSTEM:SOFTWARE
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model de
ELECTRICAL SYSTEM:SOFTWARE
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. Please refer to the Part 573 report for specific vehicle mod
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) HOWEVER, THE DEALER INFORMED THAT THEY WERE NOT AWARE OF THE RECALL SINCE THE REMEDY WAS TO BE PERFORMED OVER THE AIR. THE CONTACT INFORMED THE MANUFACTURER OF THE RECALL NOTICE AND WAS INFORMED THAT THEY WERE NOT AWARE OF THE RECALL. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE. ## VIN PASSED ## MERCEDES-BENZ 2020 ##
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) HOWEVER, THE DEALER INFORMED THAT THEY WERE NOT AWARE OF THE RECALL SINCE THE REMEDY WAS TO BE PERFORMED OVER THE AIR. THE CONTACT INFORMED THE MANUFACTURER OF THE RECALL NOTICE AND WAS INFORMED THAT THEY WERE NOT AWARE OF THE RECALL. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE. ## VIN PASSED ## MERCEDES-BENZ 2020 ##
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.