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MODEL-YEAR RECALL REPORT

2020 Mercedes-Benz S 450 recalls

NHTSA's September 21, 2026 snapshot lists 4 safety recall campaigns for the 2020 Mercedes-Benz S 450, spanning 4 component groups. A model match does not confirm that a specific VIN is included.

Official source: NHTSA recall campaign file · Snapshot September 21, 2026

Distinct campaigns4not VIN-specific
Component groups4distinct top-level categories
Latest recordMay 20, 2022report received
VIN resultNot checkeduse official lookup

01 / OFFICIAL CAMPAIGNS

2020 Mercedes-Benz S 450 recall campaigns

The 2020 Mercedes-Benz S 450 report contains 4 distinct NHTSA campaigns; the most recently received record is campaign 22V365000 dated May 20, 2022.
Component
COMMUNICATION, ELECTRICAL SYSTEM
Report received
May 20, 2022
Potential units
242,722campaign-wide
Defect and consequence

Defect: 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.

Why it matters: 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.

Owner notification: July 8, 2022 · Filing manufacturer: Mercedes-Benz USA, LLC

Component
AIR BAGS
Report received
July 12, 2021
Potential units
542campaign-wide
Defect and consequence

Defect: 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.

Why it matters: 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.

Owner notification: September 3, 2021 · Filing manufacturer: Mercedes-Benz USA, LLC

Component
STRUCTURE
Report received
March 19, 2021
Potential units
15,096campaign-wide
Defect and consequence

Defect: 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.

Why it matters: 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.

Owner notification: September 3, 2021 · Filing manufacturer: Mercedes-Benz USA, LLC

Component
COMMUNICATION, ELECTRICAL SYSTEM
Report received
February 5, 2021
Potential units
1,292,258campaign-wide
Defect and consequence

Defect: 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.

Why it matters: 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.

Owner notification: March 12, 2021 · Filing manufacturer: Mercedes-Benz USA, LLC

02 / COMPONENT BREADTH

What defects are listed for the 2020 Mercedes-Benz S 450?

The most frequent component groups in 2020 Mercedes-Benz S 450 campaign records are Communication (2), Electrical System (2), Structure (1), Air Bags (1); these counts describe filed campaigns rather than observed failure rates.
Communication2
Electrical System2
Structure1
Air Bags1

03 / MODEL-YEAR CONTEXT

How the 2020 Mercedes-Benz S 450 compares across model years

RecallRoad publishes 3 model-year reports for the Mercedes-Benz S 450, spanning 2018–2020; each year keeps its NHTSA campaign count separate.
Open the complete Mercedes-Benz S 450 model history →