2021 Mercedes-Benz CLS 450: recalls and complaints

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All updates to the register

• 24V1000009 Feb 2024Electrical System / Wiring
• 22V73300030 Sep 2022Electrical System / 12v/24v/48v Battery
• 22V36500020 May 2022Electrical System / Software
• 21V52700012 Jul 2021Air Bags / Sensor / Side Impact
• 21V48300025 Jun 2021Seat Belts / Rear/Other / Retractor
• 21V35400014 May 2021Back Over Prevention / Sensing System / Camera
• 21V2300001 Apr 2021Seats
• 21V0580005 Feb 2021Communication / Auto Crash Notification

1. 24V100000Received 9 Feb 2024. 12,191 units.

   Electrical System / Wiring

   Defect, in the NHTSA record

   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.

   Consequence, in the NHTSA record

   An overheated ground cable increases the risk of a fire.

   Remedy, in the NHTSA record

   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.

   Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2024MMNNNN. Owner notification date in the NHTSA record: 22 Mar 2024.

2. 22V733000Received 30 Sep 2022. 19,968 units.

   Electrical System / 12v/24v/48v Battery

   Defect, in the NHTSA record

   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.

   Consequence, in the NHTSA record

   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.

   Remedy, in the NHTSA record

   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.

   Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2022100009. Owner notification date in the NHTSA record: 20 Jan 2023.

3. 22V365000Received 20 May 2022. 242,722 units.

   Electrical System / Software

   Defect, in the NHTSA record

   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, in the NHTSA record

   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, in the NHTSA record

   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.

   Report filed by Mercedes-Benz USA, LLC. Owner notification date in the NHTSA record: 8 Jul 2022.

4. 21V527000Received 12 Jul 2021. 542 units.

   Air Bags / Sensor / Side Impact

   Defect, in the NHTSA record

   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, in the NHTSA record

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

   Remedy, in the NHTSA record

   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.

   Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2021070032/33. Owner notification date in the NHTSA record: 3 Sep 2021.

5. 21V483000Received 25 Jun 2021. 4,917 units.

   Seat Belts / Rear/Other / Retractor

   Defect, in the NHTSA record

   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."

   Consequence, in the NHTSA record

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

   Remedy, in the NHTSA record

   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.

   Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2021080021. Owner notification date in the NHTSA record: 24 Sep 2021.

6. 21V354000Received 14 May 2021. 343,191 units.

   Back Over Prevention / Sensing System / Camera

   Defect, in the NHTSA record

   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."

   Consequence, in the NHTSA record

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

   Remedy, in the NHTSA record

   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.

   Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2021050012. Owner notification date in the NHTSA record: 28 Jun 2021.

7. 21V230000Received 1 Apr 2021. 8,634 units.

   Seats

   Defect, in the NHTSA record

   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.

   Consequence, in the NHTSA record

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

   Remedy, in the NHTSA record

   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.

   Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2021040016. Owner notification date in the NHTSA record: 21 May 2021.

8. 21V058000Received 5 Feb 2021. 1,292,258 units.

   Communication / Auto Crash Notification

   Defect, in the NHTSA record

   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, in the NHTSA record

   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, in the NHTSA record

   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.

   Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2021020025. Owner notification date in the NHTSA record: 12 Mar 2021.

The campaign number opens the NHTSA record. Each quotation is the text of the NHTSA recall file.

Recall campaign: One recall in the NHTSA recall file, with one campaign number. A campaign can name many makes, models and model years.

Units: The number of vehicles or products that a recall can include. The manufacturer or the firm reports the number to the agency.

A complaint can name more than one component. Each component that a complaint names is one component mention. This model year has fewer than 50 component mentions, so the table shows the number of mentions only.

Complaints that report a crash

0

Complaints that report a fire

0

Injuries in the complaints

0

Deaths in the complaints

0

Date of the newest complaint

4 Jul 2022

These figures are the entries of the persons who sent the complaints.

Complaint: A report about a possible safety problem that a person sends to NHTSA. This site shows the number of complaints and not their text.

The NHTSA investigation file has no investigation that names this model year.

Investigation: A study of a possible safety defect by the NHTSA Office of Defects Investigation. An investigation with no closing date in the NHTSA file is open.

1. 201912
2. 20205
3. 20218
4. 20226
5. 20233

A year without a link has fewer than 2 campaigns and fewer than 25 complaints. It has no page.

• Mercedes-Benz CLS 450: all model years
• Mercedes-Benz: 284 model lines

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• NHTSA page of the 2021 Mercedes-Benz CLS 450The recalls, the complaints and the investigations that NHTSA shows for this model year.

How many units are in the recall campaigns for the 2021 Mercedes-Benz CLS 450?

1,924,423 units in 8 campaigns. A campaign can name other models and model years, and its units include them.

How many recall campaigns does the Mercedes-Benz CLS 450 have for all model years?

NHTSA lists 21 recall campaigns for the Mercedes-Benz CLS 450, model years 2019 to 2023. 8 of them name the 2021 model year.

Which component do the complaints about the 2021 Mercedes-Benz CLS 450 name most often?

Wheels: 1 of 1 component mention.

Is an NHTSA investigation of the 2021 Mercedes-Benz CLS 450 open?

The NHTSA investigation file has no investigation that names this model year.