The worst 2019 Mercedes-Benz SL550 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
Recalls 4
Electrical system: software
- What is wrong
- 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.
- Risk
- A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
- Remedy
- The communication module software will be updated through an Over-the-Air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024. Owners may contact MBUSA customer service at 1‑800‑367‑6372. MBUSA's numbers are for this recall is 2022060005 and 2023110006.
Recall number 22V365000 · Recall details
Electrical system: software
- What is wrong
- 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.
- 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.
Recall number 21V058000 · Recall details
Power train: axle assembly
- What is wrong
- 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.
- Risk
- Unexpected changes in the vehicle's handling can increase the risk of a crash.
- Remedy
- MBUSA will notify owners, and dealers will inspect the front-left mounting point of the rear axle carrier. If a defect in the bolt connection of the rear axle carrier is found, MBUSA will contact the owner and offer a repurchase of the vehicle. The recall began November 22, 2019. Owners may contact MBUSA customer service at 1‑800‑367‑6372. MBUSA's number for this recall is 2019100018.
Recall number 19V768000 · Recall details
Air bags: frontal: passenger side: inflator module
- What is wrong
- 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.
- 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.
Recall number 19V571000 · Recall details
Technical service bulletins for the 2019 Mercedes-Benz SL550 87
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Dear Mercedes-Benz Owner: In our continuing efforts to ensure the proper performance of Mercedes-Benz...
- Customer complaints relating to automatic transmission 725.0 (NAG3 Classic /9G‑TRONIC automatic...
- Noises in the steering column area when steering
- Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE: Although the symptom is...
- Only vehicles with a variable transfer case are affected
- Clanking noise from the area of the speakers in the doors
- Customer complaints relating to automatic transmission 725.0 (NAG3 Classic / 9G‑TRONIC automatic...
- During part of the steering movement, it feels heavier or more difficult to steer in the same spot every time
- This document is intended as a pre-case diagnostic reference for transmission related concerns
- Mercedes-Benz USA is currently experiencing limited availability of transmission fluid specification ATF...
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Questions about the 2019 Mercedes-Benz SL550
Is the 2019 Mercedes-Benz SL550 reliable?
Owners have filed 0 complaints about the 2019 Mercedes-Benz SL550.
What is the most common problem with the 2019 Mercedes-Benz SL550?
There are not enough complaints to tell.
How many recalls does the 2019 Mercedes-Benz SL550 have?
4 recalls, covering electrical system, power train and air bags.
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