2022 Mercedes-Benz CLS 450 Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2022 Mercedes-Benz CLS 450, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Airbags120.0%
- Electrical120.0%
- Engine120.0%
- Other / unspecified120.0%
- Powertrain (other)120.0%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
The contact owns a 2022 Mercedes-Benz CLS450. The contact stated that while driving approximately 35 MPH the vehicle crashed into the rear of another vehicle. The front passenger side and driver's side air bags did not deploy. The driver sustained a head injury, right leg and left shoulder injuries and the front passenger sustained unknow injuries. Both occupants were transported from the crash site to the local hospital and received medical treatment. The vehicle was destroyed and towed away. A police report was taken at the scene. The contact also indicated that the vehicle had experienced various intermittent electrical failures prior to the crash. The cause of the failure was not determined. The manufacturer and local dealer were notified of the failure. The failure mileage was 200.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
While driving in traffic, a warning box appeared indicating a problem with the 48volt charging system. The A/C system stopped working (in 115 degree heat) and engine power was reduced to crawl speeds. Another warning box indicated to turn the engine off to avoid damage. I did manage to pull off the roadway and then contacted Mercedes Roadside assistance. The danger here is a sudden shutdown of the engine systems in traffic, or worse, in the middle of nowhere, in extreme weather conditions. The vehicle was towed to the nearest dealer (90 minutes away), where they determined a software update was needed. After completing this, the vehicle appeared to run normally. This original incident occurred on 7/26/23. The very same issue once again took place, this time on 9/22/23. The vehicle is currently at the dealership service department, inoperable.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
While driving in traffic, a warning box appeared indicating a problem with the 48volt charging system. The A/C system stopped working (in 115 degree heat) and engine power was reduced to crawl speeds. Another warning box indicated to turn the engine off to avoid damage. I did manage to pull off the roadway and then contacted Mercedes Roadside assistance. The danger here is a sudden shutdown of the engine systems in traffic, or worse, in the middle of nowhere, in extreme weather conditions. The vehicle was towed to the nearest dealer (90 minutes away), where they determined a software update was needed. After completing this, the vehicle appeared to run normally. This original incident occurred on 7/26/23. The very same issue once again took place, this time on 9/22/23. The vehicle is currently at the dealership service department, inoperable.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Other / unspecified
Reports whose component NHTSA recorded as unknown, or that do not map to one of the categories above.
From owner reports, verbatim
The contact owns a 2022 Mercedes-Benz CLS450. The contact stated while driving at an undisclosed speed, the driver's side front tire had a blowout. The contact stated that the failure had occurred because the rim was cracked. The contact stated that the failure almost caused the vehicle to go off the roadway. The contact stated that the failure had occurred six times with a cracked rim causing the tire to blowout. The contact stated that all four rims were cracked and were rewelded due to the failure. The contact was informed by an independent mechanic that the failure would recur if the rims were not replaced. The rims were Original Equipment. The manufacturer was made aware of the failure but provided no assistance. The failure mileage was approximately 11,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Powertrain (other)
Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.
From owner reports, verbatim
While driving in traffic, a warning box appeared indicating a problem with the 48volt charging system. The A/C system stopped working (in 115 degree heat) and engine power was reduced to crawl speeds. Another warning box indicated to turn the engine off to avoid damage. I did manage to pull off the roadway and then contacted Mercedes Roadside assistance. The danger here is a sudden shutdown of the engine systems in traffic, or worse, in the middle of nowhere, in extreme weather conditions. The vehicle was towed to the nearest dealer (90 minutes away), where they determined a software update was needed. After completing this, the vehicle appeared to run normally. This original incident occurred on 7/26/23. The very same issue once again took place, this time on 9/22/23. The vehicle is currently at the dealership service department, inoperable.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .