The National Highway Traffic Safety Administration (NHTSA) lists 8 official safety recall campaigns for the 2021 Mercedes-Benz CLS in AutoUtility's current federal dataset. The primary affected vehicle systems include Electrical System, Air Bags & Restraints, Driver Assistance & Safety Tech.

Key Recall Findings
  • Official Recall Campaigns: 8 campaigns on file with NHTSA
  • Primary Affected Subsystems: Electrical System, Air Bags & Restraints, Driver Assistance & Safety Tech
  • Official Remedy: Detailed per campaign in official NHTSA records below
  • Most Recent NHTSA Report: February 9, 2024
VIN-Specific Notice: Safety recall campaigns apply to specific production date ranges and vehicle identification numbers (VINs). A campaign listing on this model-year page does not establish that every vehicle or trim is affected. Check your 17-digit VIN at NHTSA.gov or with an authorized dealer to verify whether a safety repair is needed.
Official Recall Campaigns
8
Listed in current NHTSA data
Affected System Areas
4
Broad component categories
Latest NHTSA Filing
February 9, 2024
Most recent campaign report
VIN Verification
Required
Exact applicability depends on VIN

Vehicle Systems Involved in Recalls for 2021 Mercedes-Benz CLS

Distribution of official safety recall campaigns across automotive subsystem domains

Vehicle Subsystem 4 campaigns

Electrical System

Vehicle Subsystem 2 campaigns

Air Bags & Restraints

Vehicle Subsystem 1 campaign

Driver Assistance & Safety Tech

Vehicle Subsystem 1 campaign

Seats & Interior

Domain Mapping Methodology: A single NHTSA recall campaign may involve more than one vehicle subsystem (such as electrical wiring affecting fuel delivery), so domain totals can exceed the total number of unique recall campaigns. Complaint and recall counts are grouped by broad vehicle system; component co-occurrence does not establish that an individual owner complaint is related to a specific recall campaign.

Official NHTSA Recall Campaigns (8)

Complete safety campaign filings including defect descriptions, safety hazards, and free dealer remedies

NHTSA Campaign #24V100000 Electrical System
Affected Component: ELECTRICAL SYSTEM:WIRING
NHTSA Report Date: February 9, 2024
Safety Defect Summary:

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 CLS450, E450, E450 All-Terrain, AMG E53, AMG GT43, AMG GT53, and 2021 AMG CLS53 vehicles. The 48-volt ground cable connection located in the engine compartment may not be tightened properly and may result in the ground cable overheating.

Safety Risk / Consequence:

An overheated ground cable increases the risk of a fire.

Authorized Remedy Instructions:

Dealers will inspect the 48-volt ground cable connection and repair it as necessary, free of charge. Owner notification letters were mailed March 22, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2024MMNNNN.

Manufacturer & NHTSA Notes: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
NHTSA Campaign #22V733000 Electrical System
Affected Component: ELECTRICAL SYSTEM:12V/24V/48V BATTERY
NHTSA Report Date: September 30, 2022
Safety Defect Summary:

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2022 CLS450 Coupe and AMG E53, 2019-2021 AMG CLS53 Coupe, and 2021-2022 E450 vehicles. The 12-Volt battery in the trunk may not be properly secured, which, in the event of a crash, can cause electrical connection failure, disabling various safety features including, emergency call (eCall) system, electric seat adjustment, hazard warning lights, and automatic door locks.

Safety Risk / Consequence:

The inability to operate safety features (eCall system, hazard lights, electric seats, or automatic door locks) can increase the risk of injury during a crash.

Authorized Remedy Instructions:

Dealers will secure the 12V battery, free of charge. Owner notification letters were mailed January 20, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022100009.

Manufacturer & NHTSA Notes: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
NHTSA Campaign #22V365000 Electrical System
⚡ Over-The-Air Update Available
Affected Component: ELECTRICAL SYSTEM:SOFTWARE
NHTSA Report Date: May 20, 2022
Safety Defect 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.

Safety Risk / 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.

Authorized Remedy Instructions:

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.

Manufacturer & NHTSA Notes: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
NHTSA Campaign #21V527000 Air Bags & Restraints
Affected Component: AIR BAGS:SENSOR:SIDE IMPACT
NHTSA Report Date: July 12, 2021
Safety Defect 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.

Safety Risk / Consequence:

Air bags and seatbelts that don't function as intended can increase the risk of injury during a crash.

Authorized Remedy Instructions:

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.

Manufacturer & NHTSA Notes: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
NHTSA Campaign #21V483000 Air Bags & Restraints
Affected Component: SEAT BELTS:REAR/OTHER:RETRACTOR
NHTSA Report Date: June 25, 2021
Safety Defect Summary:

Mercedes-Benz, LLC (MBUSA) is recalling certain 2021 G550, AMG G63, E350, E450, AMG CLS53, AMG E53, AMG GT43, AMG GT53, AMG GT63, 2021-2022 CLS450, and AMG E63 vehicles. The rear seat belt automatic locking retractors may deactivate early, which can prevent the child restraint system from securing properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."

Safety Risk / Consequence:

An unsecured child restraint system can increase the risk of injury during a crash.

Authorized Remedy Instructions:

Dealers will inspect, and replace as necessary, the rear seat belt assemblies, free of charge. Owners notified of the voluntary recall campaign by an interim letter on August 13, 2021. A final letter was mailed on September 24, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.

Manufacturer & NHTSA Notes: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
NHTSA Campaign #21V354000 Driver Assistance & Safety Tech
⚡ Over-The-Air Update Available
Affected Component: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
NHTSA Report Date: May 14, 2021
Safety Defect Summary:

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 CLA-Class, GLE/GLS-Class, A-Class, E-Class, E-Class Coupe and Convertible, GLA/GLB-Class, GLC-Class, CLS-Class, and AMG GT-Class 4-door Coupe vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The MBUX multimedia system software may cause the display to remain black, or reboot after startup. This could result in the rearview camera image not displaying properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."

Safety Risk / Consequence:

A backup camera that displays a blank image reduces the driver's rear view, increasing the risk of a crash or injury.

Authorized Remedy Instructions:

The multimedia system software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed beginning June 28, 2021. Owners may contact MBUSA customer service at 1-800-367-6373. MBUSA's number for this recall is 2021050012.

Manufacturer & NHTSA Notes: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA Campaign #21V230000 Seats & Interior
Affected Component: SEATS
NHTSA Report Date: April 1, 2021
Safety Defect Summary:

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 C-Class, E-Class, E-Class Coupe and Convertible, GLC, CLS, AMG GT 4-door Coupe and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. A faulty electrical contact within the seat position switch may prevent the driver and passenger air bags and seat belt force limiters from properly activating during a crash.

Safety Risk / Consequence:

Air bags and seat belts that do not perform properly in a crash can increase the risk of injury.

Authorized Remedy Instructions:

MBUSA will notify owners, and dealers will replace the seat position switches, free of charge. Owner letters were mailed May 21, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021040016.

Manufacturer & NHTSA Notes: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA Campaign #21V058000 Electrical System
⚡ Over-The-Air Update Available
Affected Component: ELECTRICAL SYSTEM:SOFTWARE
NHTSA Report Date: February 5, 2021
Safety Defect 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.

Safety Risk / 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.

Authorized Remedy Instructions:

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.

Manufacturer & NHTSA Notes: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Source Data Notice: Campaign summaries, safety consequences, and remedy descriptions are direct text extracts published by the National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation.

Recall History for Mercedes-Benz CLS

Official safety recall campaign volume across sibling model years (2015–2023)

Model Year NHTSA Recalls NHTSA Complaints Detailed Report
2015 Mercedes-Benz CLS 0 9 View 2015 Recalls →
2016 Mercedes-Benz CLS 0 0 View 2016 Recalls →
2017 Mercedes-Benz CLS 1 2 View 2017 Recalls →
2018 Mercedes-Benz CLS 0 0 View 2018 Recalls →
2019 Mercedes-Benz CLS 12 20 View 2019 Recalls →
2020 Mercedes-Benz CLS 5 6 View 2020 Recalls →
2021 Mercedes-Benz CLS Current Page 8 1 Current
2022 Mercedes-Benz CLS 6 3 View 2022 Recalls →
2023 Mercedes-Benz CLS 3 3 View 2023 Recalls →
Historical Reporting Note: Recall campaign counts are shown by model year and should not be interpreted as a vehicle reliability score. Campaigns may cover multiple model years, and newer model years naturally have had less calendar exposure time for new safety campaigns to be issued.

VIN-Specific Recall Verification

How to confirm whether an individual vehicle requires an authorized safety repair

Safety recall campaigns on this page are associated with this make, model, and model year in NHTSA federal records. A campaign may apply only to certain vehicles based on production date, equipment, manufacturing details, or other campaign-specific criteria.

AutoUtility cannot determine whether a particular VIN is affected or whether a recall remedy has already been completed.

For vehicle-specific recall status, check the 17-digit VIN using NHTSA's official recall lookup or contact an authorized dealer. Campaign-specific remedy information shown above is reproduced from official NHTSA recall records.

Official NHTSA Safety Resources: NHTSA Vehicle Safety Hotline: 1-888-327-4236 (TTY: 711)
Official US Government Data Provenance

Recall records published on this page are retrieved directly from the National Highway Traffic Safety Administration (NHTSA) Safety Recalls Database.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.