Post
Research the Car Logo

2017 Mercedes-Benz C250

The 2017 Mercedes-Benz C250 is a popular luxury sedan, known for its stylish design, comfortable ride, and refined interior. The C250 for the 2017 model year is powered by a 2.0L turbocharged inline-4 engine producing 241 horsepower and 273 lb-ft of torque. Other engine options available for the C-Class during this year include a 2.0L Turbocharged engine in the C300, a 3.0L Turbocharged V6 in the C43 AMG, and a 4.0L Turbocharged V8 in the C63 AMG. The C250 is generally well-received, but some owners have reported certain issues. Common complaints include problems with the electrical system, specifically related to the infotainment system and sensors. Many owners appreciate the C-Class’s luxurious interior and smooth handling, while some find the infotainment system complex and the rear seat space somewhat limited.

Engine

2.0L Turbocharged Inline-4 (C250)

  • Camshaft Adjuster Solenoid Failure
    • Description/Symptoms: Check engine light, rough idle, decreased fuel economy, and potentially engine misfires.
    • Solution: Replacing the faulty camshaft adjuster solenoid.
    • Estimated Cost to Fix: $200 - $500+
    • Recalls: None Found
  • High-Pressure Fuel Pump Failure
    • Description/Symptoms: Difficulty starting the engine, long cranking times, engine misfires, and a check engine light.
    • Solution: Replacing the high-pressure fuel pump.
    • Estimated Cost to Fix: $800 - $1500+
    • Recalls: None Found

Transmission

7G-TRONIC PLUS 7-Speed Automatic

  • Torque Converter Issues
    • Description/Symptoms: Harsh shifting, slipping between gears, shuddering during acceleration, and a noticeable clunking sound.
    • Solution: Replacing the torque converter or performing a transmission rebuild.
    • Estimated Cost to Fix: $2,500 - $5,000+
    • Recalls: None Found

Suspension

  • Air Suspension Malfunction (If Equipped)
    • Description/Symptoms: Vehicle sagging on one or more corners, ride height not adjusting properly, and a warning light on the dashboard.
    • Solution: Replacing the air struts or the air suspension compressor.
    • Estimated Cost to Fix: $1,000 - $3,000+ per strut, $800 - $1500+ for the compressor.
    • Recalls: None Found

Electrical

  • Infotainment System Freezing/Crashing
    • Description/Symptoms: The COMAND system freezes, becomes unresponsive, or restarts intermittently.
    • Solution: Software updates may temporarily resolve the issue, but in some cases, the head unit needs replacement.
    • Estimated Cost to Fix: $100 - $500+ for software, $1,500 - $3,000+ for head unit replacement.
    • Recalls: None Found
  • Sensor Malfunctions (Parking Sensors, Blind Spot Monitoring)
    • Description/Symptoms: False alarms, system errors, and non-functionality of the affected sensor.
    • Solution: Replacing the faulty sensor.
    • Estimated Cost to Fix: $200 - $800+ per sensor.
    • Recalls: None Found
  • Battery Drain Issues
    • Description/Symptoms: Car battery drains overnight or within a few days of non-use, difficulty starting the engine.
    • Solution: Diagnose the parasitic draw and replace any faulty modules or wiring.
    • Estimated Cost to Fix: $100 - $1000+ depending on the cause and repair.
    • Recalls: None Found

Exterior

  • Sunroof Issues
    • Description/Symptoms: Sunroof motor failure, sticking, difficulty opening or closing, or water leaks.
    • Solution: Replacing the sunroof motor, repairing the sunroof mechanism, or replacing the sunroof seal.
    • Estimated Cost to Fix: $300 - $1,500+
    • Recalls: None Found

Interior

  • Dashboard Material Delamination/Bubbling
    • Description/Symptoms: The material covering the dashboard starts to separate from the underlying structure, creating bubbles or a peeling effect.
    • Solution: Replacing the dashboard or having the dashboard professionally repaired/reupholstered.
    • Estimated Cost to Fix: $500 - $2,500+ depending on the method and shop.
    • Recalls: None Found

Summary

The 2017 Mercedes-Benz C250, while generally a reliable luxury sedan, can experience several issues. The most concerning are potential problems with the engine’s camshaft adjuster solenoid and high-pressure fuel pump, as well as transmission issues. Electrical glitches with the infotainment system and sensors are also relatively common. Suspension and interior issues may arise, but are less frequently reported. Repair costs can vary significantly, with some engine and transmission repairs potentially reaching into the thousands of dollars. Careful inspection and a thorough pre-purchase inspection by a qualified mechanic are recommended before buying a used 2017 C250.

This post is licensed under CC BY 4.0 by the author.