2 recalls and 1 owner complaint on file with NHTSA for the 2018 Mercedes-Benz SL 450.
2
recalls
1
owner complaints
0
complaints mentioning a crash
0
mentioning a fire
Recalls apply to specific production ranges. To see whether a particular car still has an open recall, enter its VIN at nhtsa.gov/recalls. Repairs for safety recalls are free at authorised dealers.
2018 Mercedes-Benz SL 450 recalls
Electrical system: software · Communication: auto crash notification
NHTSA campaign 21V058000 · reported February 5, 2021 · Mercedes-Benz USA, LLC · 1,292,258 vehicles potentially affected
The 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.
The 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.
The 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
NHTSA campaign 19V571000 · reported August 2, 2019 · Mercedes-Benz USA, LLC. · 457 vehicles potentially affected
The 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.
The risk
A tear in the air bag may decrease performance and increase the risk of injury.
The 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.
Most reported problems
Areas named in owner complaints to NHTSA. One complaint can name several areas.
Unknown or other1
What owners report
Recent complaints filed with NHTSA, shortened. These are unverified accounts from owners, not findings.
Mar 19, 2021 · Unknown or other
MY CAR HAS RECALL OVER MONTH I HAVE BEEN KEEP CALLING MERCEDES BUT EVERY TIME THEY TOLD ME STILL PENDING TAKE FOREVER
Does the 2018 Mercedes-Benz SL 450 have any recalls?
Yes. NHTSA lists 2 recalls for the 2018 Mercedes-Benz SL 450, the most recent reported on February 5, 2021 (Electrical system: software, Communication: auto crash notification). Check a specific car by its VIN at nhtsa.gov/recalls.
What are the most common problems with the 2018 Mercedes-Benz SL 450?
Owners have filed 1 complaint with NHTSA. The most frequently reported area is unknown or other (1 complaints).
How many 2018 Mercedes-Benz SL 450 complaints mention a crash or fire?
0 of 1 complaints report a crash and 0 a fire; 0 injuries were reported in total. Complaints are unverified reports from owners.
Source: NHTSA recall and complaint data, updated October 27, 2026. Latest complaint received March 19, 2021.