2020 Mercedes-Benz CLA250 used buying checklist

Test for the problems owners report most

The most reported problems of this model year, with what to look for on the test drive.

• Driver assistance and stability5 owner complaints

  Try the driver-assistance features on the road and watch for false alerts or sudden braking.

• Electrical system5 owner complaints

  Test every screen, camera, power window, lock and the key fob. With the engine running, make sure no warning lights stay on.

• Engine and cooling5 owner complaints

  Start the engine cold and listen for knocking or ticking. Check for warning lights, oil leaks and a low oil level, and ask how often oil had to be topped up.

• Brakes3 owner complaints

  Brake firmly from moderate speed: the pedal should feel firm and the car should stop straight, with no grinding or pulsing.

Make sure these recalls were done

Recall repairs are free at any dealer of the brand. Ask the seller for proof, or have a dealer check the VIN.

• Latches/locks/linkagesRecall number 26V481000, Jul 24, 2026
• Service brakes, hydraulicRecall number 23V732000, Nov 1, 2023
• Electrical systemRecall number 22V365000, May 20, 2022
• Back over preventionRecall number 22V232000, Apr 8, 2022
• SteeringRecall number 21V989000, Dec 17, 2021
• Fuel system, gasolineRecall number 21V961000, Dec 13, 2021
• Back over preventionRecall number 21V354000, May 14, 2021
• CommunicationRecall number 21V072000, Feb 12, 2021
• Electrical systemRecall number 21V058000, Feb 5, 2021
• Electrical systemRecall number 20V089000, Feb 14, 2020
• Air bagsRecall number 19V685000, Sep 27, 2019

Repairs the maker may still cover

Warranty extensions can cover a known problem beyond the normal warranty. Check whether this car is still within the time or mileage limit.

• Dear Mercedes-Benz Owner: In our continuing efforts to ensure the proper performance of Mercedes-Benz...Aug 15, 2026
• Fuel/propulsion systemJul 31, 2026
• In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the...May 15, 2025

Service bulletins worth asking about

Repair instructions the maker sent to dealers for known problems. Ask whether any of these repairs were done.

• Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE: Although the symptom is...Sep 22, 2026
• Radio station cover art does not refresh when switching stationsSep 15, 2026
• Temporary no start condition with check engine light and multiple warning messagesAug 29, 2026
• 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active...Aug 12, 2026
• CEL light on with no drivability concernsJul 24, 2026
• Hand detection system – malfunction / vehicles with code 266 Fault message in instrument cluster: "Active...Jul 17, 2026

Before you pay

• Decode the VIN and make sure it matches the title, the registration and the car itself.
• Get a vehicle history report to check for accidents, salvage or flood titles and odometer problems.
• Ask for service records, especially oil changes and any transmission fluid service.
• Start the car from cold, and drive it at city and highway speeds for at least 20 minutes.
• Have an independent mechanic inspect the car before you sign anything.