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U.S. public vehicle records

2020 Mercedes-Benz CLS 450 problems and owner complaints

Explore the records behind recurring owner reports.

Key facts

5 owner complaints analyzed

5 distinct recall campaigns

12,000 mi median reported failure mileage

Scope: 2020 model year. Data snapshot: . 2 complaints include usable failure mileage.

This selection has limited data. It remains available for lookup but is excluded from search indexing.

Owner-reported patterns

Most common problems

Electrical System is the most frequently named component, appearing in 4 of 5 complaints (80.0%). A complaint can name multiple components.

Recurring terms in complaint narratives
TopicMatching reportsShare of complaints
Electrical and battery issues240.0%
Engine operation120.0%

Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.

Component breakdown

Number of unique complaints naming each component. Top eight shown.

Electrical System
4
Engine
1
Wheels
1
Component breakdown data
CategoryCount
Electrical System4
Engine1
Wheels1

Electrical System: 4; Engine: 1; Wheels: 1

Reported problems by failure mileage

Complaint counts in mileage bands. These are not failure rates per vehicle or mile.

Under 25,000
2
25,000 to 49,999
0
50,000 to 74,999
0
75,000 to 99,999
0
100,000 to 149,999
0
150,000 and above
0
Reported problems by failure mileage data
CategoryCount
Under 25,0002
25,000 to 49,9990
50,000 to 74,9990
75,000 to 99,9990
100,000 to 149,9990
150,000 and above0

Under 25,000: 2; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0

Under 25,000 miles has the most reports with usable mileage (2). 3 complaints have missing, zero or invalid mileage.

Complaints over time

Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.

2020
1
2022
3
2024
1
Complaints over time data
CategoryCount
20201
20223
20241

2020: 1; 2022: 3; 2024: 1

Pattern summary

Electrical System leads the component reports. Electrical and battery issues appears in 2 complaint narratives. Engine operation appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.

Calculated from recorded counts. An AI narrative has not been published for this selection.

Complaint evidence

Examples provide context, not a representative sample or a verified diagnosis.

Owner report 11481015 · 2022-08-24 (August 24, 2022)

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 amount of time for the recall repair. The contact had experienced the failure listed in the recall. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 22,000. VIN tool …

Owner-reported narrative. 22,000 miles reported. Look up ODI 11481015 at NHTSA ↗

Owner report 11496545 · 2022-12-08 (December 8, 2022)

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 manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms remedy not available.

Owner-reported narrative. Look up ODI 11496545 at NHTSA ↗

Owner report 11373086 · 2020-11-04 (November 4, 2020)

THE 2020 MERCEDES CLS HAS A KNOWN DEFECT IN THEIR 48V SYSTEM THAT TURNS THE ENGINE OFF IN LOCATIONS WITH HIGH HET ZONES. I WAS TOLD BY THE MERCEDES SERVICE DEPARTMENT THIS HAS BEEN OCCURRING IN ARIZONA, NEW MEXICO, FLORIDA, NEVADA AND SAUDI ARABIA. IT'S A KNOW ISSUE THAT THEY ARE UNABLE TO FIX CURRENTLY. I HAD MY CHILDREN IN THE CAR WHEN I WAS MAKING A LEFT HAND TURN IN A MAJOR INTERSECTION AND THE CAR JUST STALLED ON ME, LEAVING ME IN A PANIC TO TRY TO START THE CAR AGAIN BEFORE GETTING INTO AN ACCIDENT. MERCEDES PROVIDED ME A LOANER WHILE TH…

Owner-reported narrative. 2,000 miles reported. Look up ODI 11373086 at NHTSA ↗