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2021 Mercedes-Benz AMG Cls53 problems

The most common problem on the 2021 Mercedes-Benz AMG Cls53 is electrical system. Its complaint count is close to a typical AMG Cls53 model year.

Typical yearClose to a typical year
Owner complaints
1
Recalls
10
Service bulletins
1633 warranty
Worst area
Electrical

The worst 2021 Mercedes-Benz AMG Cls53 problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

  • Electrical
    1

Problems by type

Tap a problem to see which part fails, at what mileage and in which other years.

  • Electrical
    1

Recalls 10

Electrical system: wiringReported June 14, 2024 · 22,422 vehicles affected
What is wrong
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 CLS 53 4MATIC, 2019-2023 E 53 4MATIC Cabriolet, E 53 4MATIC Coupe, E 53 4MATIC Sedan, 2021-2024 GT 43 4MATIC, and 2019-2025 GT 53 4MATIC vehicles. The transmission wiring harness connection might not have been correctly wired during a prior recall repair, and during production. which can expose the electrical connector to corrosion, and result in an electrical short-circuit.
Risk
An electrical short circuit can increase the risk of a fire.
Remedy
Dealers will replace the two-part wiring harness and connector, free of charge. Interim letters, notifying owners of the safety risk, were mailed August 9, 2024. A second notice will be sent once the final remedy is available. Owners may contact MBUSA customer service at 1‑877‑496‑3691. MBUSA's number for this recall is 2024100002/3. This recall supersedes recall 22V‑533. Vehicles repaired under the prior recall will still need to have the new remedy performed.

Recall number 24V445000 · Recall details

Electrical system: wiringReported February 9, 2024 · 12,191 vehicles affected
What is wrong
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.
Risk
An overheated ground cable increases the risk of a fire.
Remedy
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.

Recall number 24V100000 · Recall details

Electrical system: 12v/24v/48v batteryReported September 30, 2022 · 19,968 vehicles affected
What is wrong
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.
Risk
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
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.

Recall number 22V733000 · Recall details

Electrical system: wiringReported July 22, 2022 · 16,977 vehicles affected
What is wrong
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2022 AMG GT43, 2019-2022 AMG E53, E53 Coupe, E53 Cabriolet, AMG GT53, and 2019-2021 AMG CLS53 vehicles. The transmission wiring harness may be misrouted, which can expose the electrical connector to corrosion, and result in an electrical short-circuit.
Risk
An electrical short-circuit can increase the risk of a fire.
Remedy
Dealers will inspect and repair the electrical connector, as necessary. Dealers will also reroute the harness and install an additional bracket. All repairs will be performed free of charge. Owner notification letters were mailed October 14, 2022. Owners may contact MBUSA customer service at 1‑800‑367‑6372. MBUSA's number for this recall is 2022080010.

Recall number 22V533000 · Recall details

Electrical system: softwareReported May 20, 2022 · 242,722 vehicles affected
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

Steering: steering wheel/handle barReported March 25, 2022 · 8,396 vehicles affected
What is wrong
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2022 C-Class, E-Class, S-Class, SL, EClass Coupe/Convertible, CLS, AMG GT 4-doors Coupe, and EQS vehicles with a heated leather steering wheel. Due to a software error in the hand detection control unit, the hands-off detection might not detect when the driver's hands are away from the steering wheel when using the Active Distance Assist DISTRONIC system.
Risk
Deactivated hands-off detection will prevent DISTRONIC system features from functioning, including warnings to grab the steering wheel and calling first responders as part of the Active Emergency Stop Assist, which can increase the risk of a crash or injury.
Remedy
Dealers will update the hand detection control unit software for the DISTRONIC system, free of charge. Owner notification letters were mailed May 6, 2022. Owners may contact MBUSA customer service at 1‑800‑367‑6372. MBUSA's number for this recall is 2022040010.

Recall number 22V189000 · Recall details

Air bags: sensor: side impactReported July 12, 2021 · 542 vehicles affected
What is wrong
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.
Risk
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.

Recall number 21V527000 · Recall details

Seat belts: rear/other: retractorReported June 25, 2021 · 4,917 vehicles affected
What is wrong
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."
Risk
An unsecured child restraint system can increase the risk of injury during a crash.
Remedy
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.

Recall number 21V483000 · Recall details

Back over prevention: sensing system: cameraReported May 14, 2021 · 343,191 vehicles affected
What is wrong
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."
Risk
A backup camera that displays a blank image reduces the driver's rear view, increasing the risk of a crash or injury.
Remedy
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.

Recall number 21V354000 · Recall details

Seat belts: pretensionerReported April 1, 2021 · 8,634 vehicles affected
What is wrong
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.
Risk
Air bags and seat belts that do not perform properly in a crash can increase the risk of injury.
Remedy
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.

Recall number 21V230000 · Recall details

See all 10 recalls for the 2021 Mercedes-Benz AMG Cls53

Technical service bulletins for the 2021 Mercedes-Benz AMG Cls53 163

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

See all 163 bulletins for the 2021 Mercedes-Benz AMG Cls53

What 2021 Mercedes-Benz AMG Cls53 owners say

Most recent owner complaints, unedited.

Filed Aug 17, 2022 · Electrical · 6,890 miles · CA

The contact owns a 2021 Mercedes-Benz AMG CLS53. The contact stated that she drove the vehicle for two seconds when the active brake assist inadvertently engaged without warning. The failure occurred on numerous occasions. Additionally, the contact stated that the screen interactive system failed to properly operate, and without warning the screen illuminated then failed on numerous occasions. The vehicle was taken to the dealer where the failure could not be duplicated. The contact stated that she manually disengaged the active brake assist to prevent future accidents. The manufacturer was notified of the failure but no further assistance was provided. The failure mileage was approximately 6,890

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Other model years

201920202021

Questions about the 2021 Mercedes-Benz AMG Cls53

Is the 2021 Mercedes-Benz AMG Cls53 reliable?

Owners have filed 1 complaint about the 2021 Mercedes-Benz AMG Cls53, close to a typical AMG Cls53 model year.

What is the most common problem with the 2021 Mercedes-Benz AMG Cls53?

Electrical system, with 1 complaint.

How many recalls does the 2021 Mercedes-Benz AMG Cls53 have?

10 recalls, covering electrical system, steering and air bags.

Was there a recall on the 2021 Mercedes-Benz AMG Cls53 electrical?

Yes, 5 recalls: 24V445000, 24V100000, 22V733000. Check your VIN to see if your car still needs the free repair.

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