The contact owns a 2020 Mercedes-Benz AMG CLA35. The contact received notification of NHTSA Campaign Number: 21V354000 (Back Over Prevention, Electrical System) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The local dealer was contacted and advised that the remedy was an…
2020 Mercedes-Benz CLA-Class electrical problems
moderate Owners of the 2020 Mercedes-Benz CLA-Class have filed 8 NHTSA complaints about the electrical at roughly $850 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See electrical across all vehicles →
Complaints
8
Recalls
0
Avg fix
$850
| Model year | electrical complaints |
|---|---|
| 2016 CLA-Class | 6 |
| 2017 CLA-Class | 5 |
| 2018 CLA-Class | 11 |
| 2019 CLA-Class | 4 |
| 2020 CLA-Class (this page) | 8 |
When does it fail?
Of the 8 electrical complaints filed for the 2020 Mercedes-Benz CLA-Class, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA electrical complaint has been filed on this vehicle in over 4 years — the issue may be aging out of the active population.
What owners are reporting 7 most recent
The contact's boyfriend owns a 2020 Mercedes-Benz CLA35. The contact's boyfriend received notification of NHTSA Campaign Number: 21V354000 (Back Over Prevention, Electrical System) however, the part for the recall repair was unavailable. The dealer had been notified about the issue each month since the recall was released; however, each time the contact was informed that the part was not yet…
My back up camera badge located at the trunk has been permanently stuck open for a few months now when I put car in reverse the screen shows my camera for 2 seconds then disappears and goes back to my Home Screen I brought to the dealer and they told me I need a new battery I replaced my battery paid almost 400 dollars and it still doesn’t work .
The contact owns a 2020 Mercedes-Benz CLA35. The contact had received notification of NHTSA Campaign Number: 21V354000 (Back Over Prevention, Electrical System). The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The local dealer along with Mercedes-Benz of Beverly Hills (9250 Beverly Blvd, Beverly Hills, CA 90210) were made aware of the…
Multiple electrical failures, independent sensors failed prematurely. Air bags sensor, distance radar sensor, microphone sensor, ambient lighting fails intermittently, audio fails intermittently, ac fails intermittently, and engine turns off randomly. Possible defective body control module failure or electrical harness defects. Failures occur when stationary and moving. Mercedes benz refusing to…
I signed a lease agreement with a Mercedes-benz dealer on a 2020 cla 250 4matic car. However, due to a pending recall, the dealer cannot deliver the car to me (after a week of signing the lease contract) because Mercedes-benz usa instructs them to hold the car before the recall issue is fixed. I searched on NHTSA.gov, the recall "mbusa campaign number 2020010007 NHTSA recall number 20v045"…
Nov 01,2023 Manufacturer Recall Number: 2024010010 NHTSA Recall Number: 23V732 Recall Status: Recall Incomplete The manufacturer has failed and is unable to remedy this safety recall for my vehicle in a timely manner.
Had electrical trouble with your 2020 Mercedes-Benz CLA-Class?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the electrical problem on the 2020 Mercedes-Benz CLA-Class?
It's a documented issue but not catastrophic. 8 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Based on the 8 complaints filed, electrical issues most often appear around 15,000 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2020/Mercedes-Benz/CLA-Class.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.