FaultScore

Mercedes Benz CLS 450 problems

Owners have filed 33 complaints about the Mercedes Benz CLS 450 with NHTSA across model years 2019 to 2023. More of them are about the wheels than anything else.

Every Mercedes Benz CLS 450 year, graded

The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.

19 20 21 22 23
Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded
Year Grade Complaints Crashes Fires Median miles Most reported
2023 3 0 0 Wheels
2022 5 1 0 Engine & Cooling
2021 1 0 0 Wheels
2020 6 0 0 Electrical System
2019 18 0 0 1,100 Wheels

What breaks on a Mercedes Benz CLS 450

Across every model year on file. Follow a row for that part's complaints and the year it was worst.

Wheels 11 33.3%

Worst in 2019

Electrical System 8 24.2%

Worst in 2020

Engine & Cooling 3 9.1%

Worst in 2019

Steering 3 9.1%

Worst in 2019

Suspension 2 6.1%

Worst in 2019

Tires 2 6.1%

Worst in 2019

Transmission & Drivetrain 1 3.0%

Worst in 2022

Airbags 1 3.0%

Worst in 2022

Brakes 1 3.0%

Worst in 2019

Driver Assist & Collision Avoidance 1 3.0%

Worst in 2019

Complaints filed over time

Every complaint about every Mercedes Benz CLS 450, by the month it reached NHTSA.

Jun 2019 peak 3 Jul 2026

Compare the Mercedes Benz CLS 450

Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.