Total Complaints
1 filings
MERCEDES-BENZ CLS 450 · model year
2021 MERCEDES-BENZ CLS 450
1 NHTSA complaints, and 4 recall campaigns listed for this cohort. A VIN lookup is required to determine whether a specific vehicle has an unrepaired recall.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2021MERCEDES-BENZCLS 450 carries 1 consumer safety complaint in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
The most frequently selected component label in reports for the 2021 CLS 450 is wheels with 1 filings. Complaint categories reflect owner reports and intake categorization; they do not establish a defect pattern or cause. This cohort has 4 NHTSA recall campaigns listed below. Enter a VIN in NHTSA's official recall lookup to determine whether a specific vehicle has an unrepaired recall.
NHTSA currently has 15 investigation files overlapping the 2021 CLS 450. Owners comparing this cohort against neighboring years should read the complaint-by-year trend as report volume, not a causal diagnosis. Use the related-complaint feed and the official recall lookup when researching a specific vehicle.
1
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
Complaints by Component
| Component | Count |
|---|---|
| WHEELS | 1 |
Recalls (4)
22V36500020/05/2022
ELECTRICAL SYSTEM:SOFTWARE
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 de
21V35400014/05/2021
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
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 m
21V52700012/07/2021
AIR BAGS:SENSOR:SIDE IMPACT
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
21V05800005/02/2021
ELECTRICAL SYSTEM:SOFTWARE
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 mod
Recent Complaints
20220704WHEELS
During a trip driving from Sedona to San Diego, the rear passenger side rim (Part No. 25740120007x23) (see Picture1) failed with a through crack on the shoulder opposite the spoke side (see Picture2). This led to the loss of air pressure in the tire. The tire pressure sensor did indicate a low pressure condition. Upon inspection of the rim, the only possible solution was to have it welded in order to continue the trip. When the rim was taken to the repair shop, three more cracks were discovered on the rim inner surface. None of these three cracks have not gone through the rim wall yet. All crack were on the shoulder opposite the spoke side which cantilevers towards the center of the car. Welded cracks are shown in Picture3 through Picture6. Picture 3 shows the weldment of the crack that went through the rim wall. This cracks developed during normal driving conditions and were not the result of impacts. They could have resulted in a catastrophic failure that might have resulted in los
Compare 2021MERCEDES-BENZCLS 450 to Similar Vehicles
NHTSA Investigations
Frequently Asked Questions
How many complaints does the 2021 MERCEDES-BENZ CLS 450 have?▼
The 2021 MERCEDES-BENZ CLS 450 has 1 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
Are there any recalls for the 2021 MERCEDES-BENZ CLS 450?▼
Yes, the 2021 MERCEDES-BENZ CLS 450 has 4 recall(s). The most common affected component is ELECTRICAL SYSTEM:SOFTWARE. Recalls are issued by NHTSA and manufacturers must provide a free remedy.
What are the most common problems with the 2021 MERCEDES-BENZ CLS 450?▼
The most-complained component for the 2021 MERCEDES-BENZ CLS 450 is WHEELS with 1 complaints. Other frequently reported areas include various components.
Is the 2021 MERCEDES-BENZ CLS 450 safe to buy?▼
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?▼
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.
Vehicle Safety Guides
Data vintage: August 2026. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Every figure on PlainCars is rendered directly from NHTSA complaint and safety data, no number is typed in by an editor. This year-specific record is rendered from NHTSA ODI, recall, and NCAP rows for the 2021 MERCEDES-BENZ CLS 450; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.
Read our methodology - how this data is sourced, computed, and verified.