Does the 2020 Mercedes-Benz S 450 have any recalls?

4 recalls found in NHTSA data as of September 22, 2026, covering: electrical system, communication, air bags, structure. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.

How do I check if my 2020 Mercedes-Benz S 450 recall has been fixed?

Enter your 17-character VIN at nhtsa.gov/recalls, or ask a Mercedes-Benz dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.

How many complaints have owners filed about the 2020 Mercedes-Benz S 450?

4 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.

2020 Mercedes-Benz S 450 recalls

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

4 recalls found in NHTSA data as of September 22, 2026

For the 2020 Mercedes-Benz S 450. These apply to the model and year, not to one particular vehicle: check your VIN to see whether yours is included and whether it has been repaired.

Has your Mercedes-Benz been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. Recall repairs are free.

2020 Mercedes-Benz S 450 recalls, newest first

May 20, 2022NHTSA 22V365000242,722 vehicles potentially affected

Electrical system › Software

Summary: 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.
Consequence: 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.
Components: Electrical system › Software; Communication › Auto crash notification

This recall on nhtsa.gov

July 12, 2021NHTSA 21V527000542 vehicles potentially affected

Air bags › Sensor › Side impact

Summary: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 CLS450, AMG E53, AMG CLS53, E350, E450, AMG GT43, AMG GT53, 2020 S450, S560, G550, AMG GLC63, 2020-2021 GLC300, and AMG G63 vehicles. The side crash sensor connectors may come loose, which could delay the activation of air bags and seatbelts during a side impact crash.
Consequence: Air bags and seatbelts that don't function as intended can increase the risk of injury during a crash.
Remedy: Dealers will inspect and replace as necessary, the side impact crash sensors, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021070032/33.

This recall on nhtsa.gov

March 19, 2021NHTSA 21V19700015,096 vehicles potentially affected

Structure › Body › Roof and pillars

Summary: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2020 C300 Coupe, C43 Coupe AMG, C43 AMG, 2015-2020 C300, GLA250, 2016-2018 C350e, CLA45 Coupe AMG, 2015 C400, S65 AMG, 2015-2019 C63 AMG, 2016 C450, 2015-2016 GLA45 AMG, S600, 2016-2020 GLC300, 2017-2019 GLC43 AMG, GLE43 Coupe AMG, 2014-2019 CLA250 Coupe, 2014-2015 CLA45 AMG, 2018 GLC63 AMG, 2014-2017 S550, 2018-2020 S450, 2016-2019 GLE63 Coupe AMG, 2016 GLE450 Coupe, 2014-2020 S63 AMG, 2018-2019 S560, and 2019 GLC350e vehicles equipped with a panoramic sunroof. The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair.
Consequence: The adhesive bonding of the front panel might deteriorate, possibly causing the front panel to detach from the vehicle and become a road hazard, increasing the risk of a crash.
Remedy: Mercedes-Benz dealer will remove the bonded panel and will install a new front panel by following the detailed repair instructions and using the approved primer, cleaner and adhesive, free of charge. Owner notification letters were mailed on September 3, 2021 and October 26, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.

This recall on nhtsa.gov

February 5, 2021NHTSA 21V0580001,292,258 vehicles potentially affected

Communication › Auto crash notification

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.
Components: Communication › Auto crash notification; Electrical system › Software

This recall on nhtsa.gov

Owner complaints

Owners have filed 4 complaints about the 2020 Mercedes-Benz S 450 with NHTSA. Complaints are unverified reports from the public; NHTSA uses them to decide what to investigate.

Crashes reported: 0
Fires reported: 0
Injuries reported: 0
Deaths reported: 0

Most complained-about components

Fuel/propulsion system1
Unknown or other1
Vehicle speed control1
Visibility/wiper1

Other Mercedes-Benz S 450 years

Other 2020 Mercedes-Benz models

Most recalled 2020 vehicles

2020 Ford Explorer (33 recalls)
2020 Mercedes-Benz GLE 450 (32 recalls)
2020 Lincoln Aviator (30 recalls)
2020 Blue Bird Vision School Bus (29 recalls)
2020 Mercedes-Benz GLE 350 (27 recalls)

All of 2020’s most recalled vehicles

Questions

Does the 2020 Mercedes-Benz S 450 have any recalls?: 4 recalls found in NHTSA data as of September 22, 2026, covering: electrical system, communication, air bags, structure. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.
How do I check if my 2020 Mercedes-Benz S 450 recall has been fixed?: Enter your 17-character VIN at nhtsa.gov/recalls, or ask a Mercedes-Benz dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.
How many complaints have owners filed about the 2020 Mercedes-Benz S 450?: 4 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.