2018 Mercedes-Benz SL 450 Problems, Complaints & Recalls
- Compared with other SL 450 years
- Not enough data 1st of 4 for complaints
- Safety recalls
- 2 recalls: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 1 complaint with NHTSA about the 2018 Mercedes-Benz SL 450. That is the most of any SL 450 model year in the database (4 years). The most reported problem area is unknown or other (1 complaints, 100%). There are 2 safety recalls covering this model year. NHTSA has opened 1 defect investigation involving it.
- 1owner complaints
- 2safety recalls
- 1NHTSA investigations
- 0complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2018 Mercedes-Benz SL 450 problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Unknown or Other | 1 | 100% | — | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
2018 Mercedes-Benz SL 450 recalls (2)
Tap a recall to see the problem, the risk and the fix.
Communication: auto crash notification; electrical system:software
Problem: 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.
Risk: Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
Fix: 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.
Air bags:frontal:passenger side:inflator module
Problem: 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.
Risk: A tear in the air bag may decrease performance and increase the risk of injury.
Fix: 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.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
NHTSA defect investigations
- Desiccated Air Bag Inflator Rupture (EA21002) — opened Sep 17, 2021, still open.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
My car has recall over month i have been keep calling mercedes but every time they told me still pending take forever
Other Mercedes-Benz SL 450 years
| Year | Complaints | Recalls |
|---|---|---|
| 2020 SL 450 | 1 | 2 |
| 2019 SL 450 | 0 | 4 |
| 2018 | 1 | 2 |
| 2017 SL 450 | 0 | 1 |
See all Mercedes-Benz SL 450 problems by year, every Mercedes-Benz model, or the Mercedes-Benz VIN decoder.
Similar Mercedes-Benz models
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Frequently asked questions
What are the most common problems with the 2018 Mercedes-Benz SL 450?
Owners most often report unknown or other problems. The top one, unknown or other, accounts for 1 complaint.
Was there a recall on the 2018 Mercedes-Benz SL 450?
Yes, 2 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2018 Mercedes-Benz SL 450 a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other SL 450 model years, the 2018 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.