Recalls (2)
NHTSA lists 2 recall campaigns for the 2018 Mercedes-Benz SL550. Check whether yours was repaired with NHTSA's free VIN lookup ↗
Only NHTSA and your automaker know whether your specific car was repaired. PlainVIN shows every recall campaign listed for a model year, with the official text and how many cars have been fixed so far.
Check on NHTSA ↗Inaccurate Vehicle Location for Emergency Services
- Summary
- 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.
- Consequence
- Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
- Remedy
- MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267. MBUSA's number for this recall is 2021020025.
Front Passenger Air Bag May Tear
- Summary
- 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.
- Consequence
- A tear in the air bag may decrease performance and increase the risk of injury.
- Remedy
- MBUSA will notify owners, and dealers will replace the passenger air bag, free of charge. The recall began December 13, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019100016.
PlainVIN shows public government records for education. It isn't a vehicle inspection or legal advice. Check your own VIN with NHTSA or your dealer.
Owner complaints (0)
0 complaints filed with NHTSA (owner reports, not verified findings).
As reported by owners in their complaints. These are reports, not NHTSA findings.
Most-reported components
NHTSA has no component data for this model year.
How 2018 compares with other SL550 years
Best and worst SL550 years →| Model year | Complaints | Recall campaigns |
|---|---|---|
| 2003 | 1 | 0 |
| 2007 | 16 | 1 |
| 2008 | 4 | 0 |
| 2009 | 15 | 0 |
| 2011 | 2 | 0 |
| 2013 | 17 | 3 |
| 2014 | 4 | 4 |
| 2015 | 2 | 3 |
| 2017 | 4 | 1 |
| 2020 | 1 | 3 |
Counts are owner reports, not failure rates. Higher sales years tend to draw more reports. Owners are still filing reports for recent model years, so these counts will grow. Source: NHTSA ODI, retrieved Oct 6, 2026.
Fuel economy: up to 20 mpg combined
- EPA annual fuel cost
- $4,100
- CO₂ tailpipe
- 442 g/mi
- EPA class
- Two Seaters
What it costs you to run
Miles ÷ 20 mpg × $4.354 (EIA US average regular, week of Oct 5, 2026, all taxes included). Source: EPA · EIA.
EPA label estimates from lab tests; your mileage will vary.
Specs by configuration
| Engine · transmission | Drive | City / Hwy / Comb | EPA $/yr | CO₂ g/mi |
|---|---|---|---|---|
| 4.7 L 8-cyl · 9-speed automatic | Rear-Wheel Drive | 17 / 25 / 20 | $4,100 | 442 |
Source: EPA fuel economy data, retrieved Oct 6, 2026. Configurations are listed when EPA and NHTSA records match.
Looking at a 2018 SL550 for sale?
Print a one-page buyer's checklist: each recall campaign with a box to tick when the seller shows proof of repair, the top complaint areas to inspect, crash stars, MPG, and a link back to this page.
Where to next
2018 Mercedes-Benz SL550 FAQ
How many recalls does the 2018 Mercedes-Benz SL550 have?
NHTSA lists 2 recall campaigns: 21V058000 (electrical), 19V571000 (air bag). Use NHTSA's VIN lookup to see whether a specific car was repaired.
What mpg does the 2018 Mercedes-Benz SL550 get?
EPA rates the 4.7 L 8-cyl · 9-speed automatic version at 17 city, 25 highway and 20 combined mpg.
How does the 2018 SL550 compare with other years?
Among the 2003–2020 Mercedes-Benz SL550 model years at least five years old, the 2003 drew the fewest complaints (1) and the 2013 the most (17). The 2018 drew 0. Counts are owner reports, not failure rates.
How this page was madeSources, processing, limits, review and changes
Data sources
- NHTSA recalls by vehicle
Retrieved Oct 6, 2026 - US DOT recall completion rates (data.transportation.gov)
Retrieved Oct 6, 2026 - NHTSA ODI owner complaints
Retrieved Oct 6, 2026 - NHTSA NCAP 5-Star Safety Ratings
Retrieved Oct 6, 2026 - EPA fuel economy data (licence confirmation pending)
Retrieved Oct 6, 2026 - EIA weekly retail gasoline prices
Weekly, all taxes included
Processing
- Complaints are counted per component. One complaint can list several, so component totals add up to more than the total.
- Fuel cost = miles per year ÷ EPA combined mpg × EIA weekly price for your region.
Limitations
- Complaint counts are owner reports, not verified findings or failure rates. There is no sales denominator.
- Recall campaigns are listed for the model year. Only NHTSA and the automaker know whether a specific car was repaired.
- Recent model years are still collecting reports.
Review
Data compiled automatically from the official files listed here.
Changelog
- 2026-10-06 Data refreshed from the official files.