Mercedes-Benz ยท 2018
2018 Mercedes-Benz SL450
Official EPA fuel economy and NHTSA recall record, best combined figure 23 MPG.
Fuel economy (EPA)
| Engine | Transmission | Fuel | City | Highway | Combined | CO2 g/mi |
|---|---|---|---|---|---|---|
| 3.0L 6-cyl | Automatic 9-spd | Premium | 20 | 28 | 23 | 383 |
Safety recalls (NHTSA)
2 campaigns on record for this model year. Recall repairs are free at dealers; check your exact vehicle by VIN on nhtsa.gov/recalls.
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.
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 veh
Owner complaints (NHTSA)
1 complaints filed by owners for this model year. Complaints are owner reports, not confirmed defects - browse them in full on nhtsa.gov.
Frequently Asked Questions
What is the fuel economy of a 2018 Mercedes-Benz SL450?
EPA figures for the 2018 Mercedes-Benz SL450 reach 23 MPG combined depending on configuration; the table on this page lists every tested engine and transmission combination.
Are there recalls on the 2018 Mercedes-Benz SL450?
NHTSA lists 2 safety recall campaigns for the 2018 Mercedes-Benz SL450. Check your specific vehicle by VIN on the official NHTSA site, recalls are fixed free of charge by dealers.
What are common problems with the 2018 Mercedes-Benz SL450?
Owners have filed 1 complaints with NHTSA for the 2018 Mercedes-Benz SL450, most often about: Unknown Or Other. Complaint counts reflect what owners report, not confirmed defects.
Sources: EPA fueleconomy.gov, the NHTSA recalls, complaints and 5-Star Safety Ratings databases (all US public data), refreshed monthly. Recall texts are quoted from the official record. Details on About & Data Sources.