repaired · 2024 Q4
Electrical system: 12v/24v/48v battery
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.
2020 Mercedes-Benz CLS 450Problems, recalls & complaints
NHTSA has logged 5 owner complaints about the 2020 Mercedes-Benz CLS 450, most often about the electrical system. It is covered by 5 safety recalls, and for recall 21V-072 the manufacturer reports only 82% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through March 24, 2024. Updated daily.
Complaints by system
Where the 2020 Mercedes-Benz CLS 450 has problems
5 complaints grouped by the system owners reported.
4Electrical system
1Engine
1Wheels
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Electrical system | 4 | 0 |
| Engine | 1 | 0 |
| Wheels | 1 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
5 recalls
2020 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 · 2026 Q2
Communication: auto crash notification
Risk. A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency…
repaired · 2024 Q2
Back over prevention: display function
Risk. An inoperable rearview camera display reduces the driver's rear view, increasing the risk of a crash.
repaired · 2023 Q3
Communication
Risk. A disabled eCall system would prevent a vehicle occupant from contacting emergency services through the call center in an emergency, potentially delaying…
Show 1 more recall
repaired · 2023 Q4
Communication: auto crash notification
Risk. Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following 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
2020 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 electrical system complaints filed with NHTSA, shortened. Personal details are removed.
******* DELETE VOQ ******* THIS COMPLAINT IS BEING MARKED FOR DELETION BECAUSE IT IS AN INADVERTENT DUPLICATE OF ODI# 11496545*DJR ******* DELETE VOQ *******
The contact owns a 2020 Mercedes-Benz CLS450. The contact received notification of NHTSA Campaign Number: 22V733000 (Electrical System) however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair.…
The contact owns a 2020 Mercedes-Benz CLS450. The contact received notification of NHTSA Campaign Number: 22V533000 (Electrical System) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable…
Own a 2020 CLS 450?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.