repaired · 2025 Q4
Electrical system: wiring
Risk. An overheated ground cable increases the risk of a fire.
2023 Mercedes-Benz CLS 450Problems, recalls & complaints
NHTSA has logged 3 owner complaints about the 2023 Mercedes-Benz CLS 450, most often about the wheels. It is covered by 3 safety recalls, and for recall 23V-445 the manufacturer reports only 89% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through March 16, 2026. Updated daily.
Complaints by system
Where the 2023 Mercedes-Benz CLS 450 has problems
3 complaints grouped by the system owners reported.
3Wheels
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Wheels | 3 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
3 recalls
2023 Mercedes-Benz CLS 450 recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2025 Q2
Blindspot: sensors
Risk. Failure to alert occupants of an approaching vehicle can increase the risk of a crash or injury.
repaired · 2025 Q2
Delivery: fuel pump
Risk. A loss of drive power can increase the risk of a crash.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercedes-Benz.
Best & worst years
2023 vs. every other CLS 450 year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the CLS 450 median. How we score
'19'20'21'22'23
- Avoid
- Caution
- Solid
- Best
- Not rated
In owners' words
What CLS 450 owners report
Recent wheels complaints filed with NHTSA, shortened. Personal details are removed.
Description of Defect: I am reporting a chronic and dangerous structural failure of the factory-equipped alloy wheels on my 2023 Mercedes-Benz CLS 450 4MATIC. Since purchase, this vehicle has suffered 8 documented incidents of wheel failure, consisting of 5 rim cracks and 3 complete wheel…
This vehicle has 6,600 miles on it. All 4 wheels have been bent driving on normal roads at normal speed. There have been 2 sidewall tire bubbles as a result. And after having all wheels straightened one of the wheels has now cracked. This caused the tire to deflate and the vehicle can no longer be…
The car is equipped with Continental ProContact GX SSR 245/40R19 runflat tires in the front. Since January of this year I have replaced the front tires 5 times. Once for the left front and four times for the right front. One time it was due to a bubble in the sidewall. Other four were from the…
Own a 2023 CLS 450?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.