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Mercedes-Benz CLS 450

Model years 2019–2023 in the US safety record. No model year stands out in owner complaints. Fewest complaints: 2021, 2022, 2023.

27owner complaints
21recall campaigns
391service bulletins
5model years on record

Complaints by model year

Each bar is one model year. The most recent years are still collecting complaints.

’19’21’23’19’22

NHTSA ODI complaints (public domain) · updated 23 Oct 2026

Year by year

Model yearComplaintsRecallsBulletinsCrashes · fires
202333400 · 0
202236611 · 0
202118800 · 0
2020 CLS 45055970 · 0
2019 CLS 45015121130 · 0

A model year gets its own page when it has enough data for at least three sections

Most common problems

  • Wheels11
  • Electrical system9
  • Engine4
  • Steering3
  • Tires2
  • Suspension2
  • Service brakes1
  • Power train1

NHTSA ODI complaints, all model years

Fuel consumption by year

Official Canadian test results for 5 model years, best variant per year. Combined consumption ranges from 9.1–9.8 L/100 km.

YearVariantEngineTransmissionCityHighwayCombinedCO₂ g/km
2023CLS 450 4MATIC Coupe · Compact · Premium gasoline3.0 L, 6 cyl.A911.08.29.7229
2022CLS 450 4MATIC Coupe · Compact · Premium gasoline3.0 L, 6 cyl.A911.18.29.8229
2021CLS 450 4MATIC Coupe · Compact · Premium gasoline3.0 L, 6 cyl.A910.58.19.4222
2020CLS 450 4MATIC · Compact · Premium gasoline3.0 L, 6 cyl.A910.17.99.1213
2019CLS 450 4MATIC · Compact · Premium gasoline3.0 L, 6 cyl.A911.37.99.8213

Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada

Recalls

21 campaigns cover the CLS 450; the latest 12 are below.

24V100000 · Electrical system9 Feb 2024 · 2021, 2022, 2023

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.

23V574000 · Electrical system11 Aug 2023 · 2023

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023 E450, E350, AMG E63 S, AMG E53, CLS450, AMG GT53, and AMG GT43 vehicles. Due to a software error, the exit warning system audio and visual warnings may fail to alert occupants about approaching vehicles.

23V445000 · Fuel system, gasoline26 Jun 2023 · 2022, 2023

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 C-Class, E-Class, S-Class, CLS, SL, GT, GLC, GLE, GLS, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, which can result in a loss of drive power.

22V733000 · Electrical system30 Sept 2022 · 2019, 2020, 2021, 2022

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.

22V365000 · Communication20 May 2022 · 2019, 2020, 2021, 2022

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.

22V232000 · Back over prevention8 Apr 2022 · 2019, 2020

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018-2021 CLA-Class, GLE/GLS-Class, A-Class, C-Class, E-Class, E-Class Coupe/Convertible, GLA/GLB-Class, GLC-Class, and CLS-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The rearview camera may not display the rearview image due to a software error. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

22V189000 · Steering25 Mar 2022 · 2022

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.

21V527000 · Air bags12 Jul 2021 · 2021

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.

21V483000 · Seat belts25 Jun 2021 · 2021, 2022

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."

21V354000 · Back over prevention14 May 2021 · 2021

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."

21V230000 · Seats1 Apr 2021 · 2021

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.

21V072000 · Communication12 Feb 2021 · 2020

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2019 C300, E300, 2018-2020 CLA250, 2020 CLS450, AMG E53, AMG GT53, GLE450, 2018 AMG E63, AMG GTA, 2017-2020 GLA250, GLC300, 2019 GLC350, AMG GLC43, 2017-2018 GLE350, 2019 AMG GLC 43, GLC350, GLE400, 2017 GLS450, S550, C300 Cabrio, and 2018-2019 S560 vehicles. On June 18, 2021, an additional 9 vehicles were added, including certain 2021 GLA250, GLC300, 2018 S450, E400, and 2017 CLA250 vehicles. The communication module might have been inadvertently deactivated during a service visit, which could have disabled the Emergency Call (eCall) function.

NHTSA recalls