Year by year
| Model year | Complaints | Recalls |
|---|---|---|
| 2020 | 1 | 2 |
| 2019 | 0 | 4 |
| 2018 SL 450 | 1 | 2 |
A model year gets its own page when it has enough data for at least three sections
Most common problems
- Unknown or other1
- Electrical system1
- Communication1
NHTSA ODI complaints, all model years
Fuel consumption by year
Official Canadian test results for 4 model years, best variant per year. Combined consumption ranges from 10.1–10.5 L/100 km.
| Year | Variant | City | Highway | Combined |
|---|---|---|---|---|
| 2020 | SL 450 · Two-seater · Premium gasoline | 12.1 | 8.5 | 10.5 |
| 2019 | SL 450 · Two-seater · Premium gasoline | 11.8 | 8.5 | 10.3 |
| 2018 | SL 450 · Two-seater · Premium gasoline | 11.5 | 8.5 | 10.2 |
| 2017 | SL 450 · Two-seater · Premium gasoline | 11.5 | 8.4 | 10.1 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls
4 campaigns cover the SL 450.
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 details. An error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) system.
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 model details. The software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the event of a crash.
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019 SL450, SL63 AMG, and SL550 vehicles. Over time, the bolt connection at the front-left mounting point on the rear axle carrier casting may fail, possibly affecting the vehicle's handling.
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2018 SL65 AMG, 2019 SL63 AMG and 2018-2019 SL450 and SL550 vehicles. The front passenger air bag may have been improperly sewn, allowing the seam to tear during deployment.
NHTSA recalls