The 2020 Mercedes-Benz S-Class has 7 official NHTSA owner defect complaints and zero open safety recall campaigns recorded in the federal database. The most frequently reported component area is Engine, accounting for 1 reports (14% of total complaints). EPA testing covers 17 certified vehicle configurations spanning 3L 6-Cyl hybrid, 3L 6-Cyl plug-in hybrid, 3l 6-cyl, 4l 8-cyl, 4L 8-Cyl hybrid, and 6l 12-cyl configurations. Gasoline and hybrid variants deliver 16 to 26 MPG combined. Plug-in hybrid variants are rated up to 64 MPGe (23 MPG on gasoline) with up to 19 miles of electric driving range. Detailed NHTSA crash-test ratings are not available in the current AutoUtility dataset for this model year. The 2020 Mercedes-Benz S-Class belongs to the 6th generation (W222) S-Class platform spanning model years 2015–2020.
- • NHTSA Owner Complaints: 7 reports
- • Safety Recall Campaigns: 0 campaigns
- • Top Reported Defect Area: Engine (1 / 14%)
- • NHTSA Overall Safety Rating: Not rated by NHTSA
- • EPA Efficiency: 16–26 MPG (17 variants • PHEV up to 64 MPGe)
What is the fuel economy and range of the 2020 Mercedes-Benz S-Class?
Official EPA laboratory test ratings, electric driving range, and annual energy cost estimates by certified vehicle variant
| Variant | Engine | Drivetrain | Transmission | City | Highway | Combined | EV Range | Est. Annual Fuel Cost |
|---|---|---|---|---|---|---|---|---|
| CLS450 Hybrid | 3L 6-Cyl | Rear-Wheel Drive | Automatic 9-spd | 24 MPG | 31 MPG | 26 MPG | — | $2,900 / yr |
| CLS450 4matic Hybrid | 3L 6-Cyl | 4-Wheel Drive | Automatic 9-spd | 23 MPG | 30 MPG | 26 MPG | — | $2,900 / yr |
| S560e Plug-in Hybrid | 3L 6-Cyl | Rear-Wheel Drive | Automatic 9-spd | 58 MPGe (21 MPG) | 73 MPGe (26 MPG) | 64 MPGe (23 MPG) | 19 mi EV (510 mi total) | $3,300 / yr |
| S450 | 3L 6-Cyl | Rear-Wheel Drive | Automatic 9-spd | 19 MPG | 28 MPG | 22 MPG | — | $3,450 / yr |
| S450 4matic | 3L 6-Cyl | 4-Wheel Drive | Automatic 9-spd | 18 MPG | 28 MPG | 22 MPG | — | $3,450 / yr |
| GLS450 4matic Hybrid | 3L 6-Cyl | 4-Wheel Drive | Automatic 9-spd | 19 MPG | 23 MPG | 21 MPG | — | $3,600 / yr |
| S560 | 4L 8-Cyl | Rear-Wheel Drive | Automatic 9-spd | 17 MPG | 27 MPG | 21 MPG | — | $3,600 / yr |
| S560 4matic | 4L 8-Cyl | 4-Wheel Drive | Automatic 9-spd | 17 MPG | 27 MPG | 21 MPG | — | $3,600 / yr |
| S560 Convertible | 4L 8-Cyl | Rear-Wheel Drive | Automatic 9-spd | 17 MPG | 26 MPG | 20 MPG | — | $3,800 / yr |
| S560 4matic Coupe | 4L 8-Cyl | 4-Wheel Drive | Automatic 9-spd | 17 MPG | 26 MPG | 20 MPG | — | $3,800 / yr |
| AMG S63 4matic Plus Coupe | 4L 8-Cyl | 4-Wheel Drive | Automatic 9-spd | 17 MPG | 27 MPG | 20 MPG | — | $3,800 / yr |
| AMG S63 4matic Plus | 4L 8-Cyl | 4-Wheel Drive | Automatic 9-spd | 17 MPG | 26 MPG | 20 MPG | — | $3,800 / yr |
| S560 4matic Maybach | 4L 8-Cyl | 4-Wheel Drive | Automatic 9-spd | 16 MPG | 25 MPG | 19 MPG | — | $4,000 / yr |
| AMG S63 4matic Plus Convertible | 4L 8-Cyl | 4-Wheel Drive | Automatic 9-spd | 15 MPG | 24 MPG | 18 MPG | — | $4,200 / yr |
| GLS580 4matic Hybrid | 4L 8-Cyl | 4-Wheel Drive | Automatic 9-spd | 16 MPG | 21 MPG | 18 MPG | — | $4,200 / yr |
| Maybach S650 | 6L 12-Cyl | Rear-Wheel Drive | Automatic 7-spd | 13 MPG | 21 MPG | 16 MPG | — | $4,750 / yr |
| AMG S65 | 6L 12-Cyl | Rear-Wheel Drive | Automatic 7-spd | 13 MPG | 22 MPG | 16 MPG | — | $4,750 / yr |
What are the crash test safety ratings for the 2020 Mercedes-Benz S-Class?
Official 5-Star Safety Ratings evaluated by the National Highway Traffic Safety Administration
| Tested Drivetrain / Cab Variant | Overall Rating | Frontal Crash | Side Crash | Rollover Rating | Rollover Risk |
|---|---|---|---|---|---|
| 2 DR 4WD | — | ||||
| 4 DR 4WD | — | ||||
| Cabriolet C 4WD | — | ||||
| Hybrid 4 DR RWD | — | ||||
| 2 DR RWD | — | ||||
| 4 DR RWD | — | ||||
| Cabriolet C RWD | — |
No and Lane Departure Warning (LDW) is documented as No in official NHTSA records for tested 2020 Mercedes-Benz S-Class models.
What defect complaints are reported for the 2020 Mercedes-Benz S-Class?
Summary of 7 verified consumer defect submissions filed with the NHTSA Office of Defects Investigation (ODI)
Top Reported Problem Categories
Ranked by total consumer complaint submissions recorded by NHTSA
Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.
View all 2020 Mercedes-Benz S-Class problems & component breakdown (7 categories) →Are there open safety recalls on the 2020 Mercedes-Benz S-Class?
Manufacturer safety recall campaigns monitored and recorded by NHTSA
No open safety recall campaigns are currently on file with NHTSA for the 2020 Mercedes-Benz S-Class.
View all 2020 Mercedes-Benz S-Class recalls & campaign history (0 campaigns) →The specifications, safety ratings, defect reports, and recall campaigns published on this page are retrieved directly from official United States Government agency databases:
- NHTSA Office of Defects Investigation (ODI): Consumer complaints and defect reports.
- NHTSA New Car Assessment Program (NCAP): Frontal, side, and rollover 5-Star crash safety test ratings.
- U.S. EPA / FuelEconomy.gov: Standardized multi-cycle dynamometer fuel economy, MPGe, and electric driving range ratings.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.