Post
Research the Car Logo

2020 Mercedes-Benz A250

Posted
By Research the Car 3 min read

The 2020 Mercedes-Benz A250 is a popular compact luxury sedan known for its stylish design, advanced technology, and sporty handling. The A250 is powered by a 2.0-liter turbocharged four-cylinder engine producing 221 horsepower and 258 lb-ft of torque. This engine is paired with a 7-speed dual-clutch automatic transmission. Some owners appreciate the car’s upscale interior, user-friendly infotainment system (MBUX), and fuel efficiency. However, common complaints include a firm ride, limited rear passenger space, and some reported issues with electronic glitches.

Engine

2.0L Turbocharged I4

  • Engine Misfires/Check Engine Light
    • Description/Symptoms: Engine misfires, often accompanied by a flashing check engine light. Can cause rough idling, reduced power, and poor fuel economy. Often indicated by OBDII codes related to cylinder misfires (P0300-P0304).
    • Solution: Diagnosing the specific cause can involve checking spark plugs, ignition coils, fuel injectors, and vacuum leaks. Replacing faulty components resolves the issue.
    • Estimated Cost to Fix: $150 - $800+ depending on the component and if it can be diagnosed without taking apart the whole engine.
    • Recalls: None Found
  • Excessive Oil Consumption
    • Description/Symptoms: Some owners have reported higher than expected oil consumption, requiring more frequent top-ups between oil changes. This can be noticed by low oil level warnings or blue smoke from the exhaust.
    • Solution: Investigation is needed to determine the root cause. It may involve replacing PCV valve. In severe cases, piston ring replacement may be necessary.
    • Estimated Cost to Fix: $50 - $3000+ depending on what parts need to be replaced.
    • Recalls: None Found

Transmission

7-Speed Dual-Clutch Automatic

  • Hesitation/Jerky Shifting
    • Description/Symptoms: Some owners report hesitation when accelerating from a stop or during gear changes, as well as jerky or abrupt shifting, particularly at low speeds.
    • Solution: A software update for the transmission control unit (TCU) may resolve the issue. If the problem persists, replacement of the valve body or clutch packs may be necessary.
    • Estimated Cost to Fix: $150 - $300 for software update. $1,000 - $4,000+ for valve body or clutch pack replacement.
    • Recalls: None Found
  • Transmission Slipping
    • Description/Symptoms: The transmission slips between gears, causing a delay in power delivery or a complete loss of drive. It may also be accompanied by unusual noises or vibrations.
    • Solution: It’s necessary to diagnose the root cause. It may involve replacing the valve body or clutch packs.
    • Estimated Cost to Fix: $1,000 - $4,000+ for valve body or clutch pack replacement.
    • Recalls: None Found

Suspension

No Issues Found

Electrical

  • MBUX Infotainment System Freezing/Crashing
    • Description/Symptoms: The Mercedes-Benz User Experience (MBUX) system can freeze, crash, or become unresponsive. This may affect navigation, audio, and other vehicle functions.
    • Solution: A software update may resolve the issue. In some cases, the MBUX module may need to be replaced.
    • Estimated Cost to Fix: $150 - $300 for software update. $800 - $2000+ for module replacement.
    • Recalls: None Found
  • Sensor Malfunctions (Parking Sensors, Blind Spot Monitoring)
    • Description/Symptoms: Parking sensors or blind spot monitoring systems may malfunction, providing false warnings or failing to detect obstacles or vehicles.
    • Solution: Individual sensors may need to be replaced. In some cases, a software update may be required.
    • Estimated Cost to Fix: $200 - $600+ per sensor replacement.
    • Recalls: None Found

Exterior

  • Sunroof Issues (Sticking/Failure to Close)
    • Description/Symptoms: The sunroof may stick, fail to open or close properly, or make unusual noises during operation.
    • Solution: The sunroof mechanism may need to be lubricated, adjusted, or replaced.
    • Estimated Cost to Fix: $100 - $1,000+ depending on severity.
    • Recalls: None Found

Interior

  • Rattling/Squeaking Noises
    • Description/Symptoms: Rattling or squeaking noises may originate from various interior components, such as the dashboard, door panels, or seats.
    • Solution: Identifying the source of the noise and tightening or replacing loose components is needed.
    • Estimated Cost to Fix: $50 - $500+ depending on severity and cause.
    • Recalls: None Found

Summary

The 2020 Mercedes-Benz A250, while generally a well-regarded vehicle, does have some common issues reported by owners. The most prevalent seem to be related to the MBUX system, which can be frustrating to deal with. The cost and severity of these problems vary, but it’s important for prospective buyers to be aware of them.

Mercedes-Benz, A250
Mercedes-Benz A250 2020
This post is licensed under CC BY 4.0 by the author.