2017 Mercedes-Benz CLA45 AMG

The 2017 Mercedes-Benz CLA45 AMG is a performance-oriented compact sedan coupe known for its potent turbocharged engine and sporty handling. The primary engine option is a 2.0-liter turbocharged inline-4, producing 375 horsepower and 350 lb-ft of torque. This engine is paired exclusively with a 7-speed dual-clutch automatic transmission. Owners often praise the CLA45 AMG for its exhilarating acceleration and aggressive styling but sometimes criticize its firm ride and relatively small rear seats.

Engine

2.0L Turbocharged Inline-4 (M133)

• High-Pressure Fuel Pump Failure
  • Description/Symptoms: Engine misfires, rough idling, loss of power, and the check engine light illuminating.
  • Solution: Replacement of the high-pressure fuel pump.
  • Estimated Cost to Fix: $800 - $1,500+
  • Recalls: None Found
• Turbocharger Failure
  • Description/Symptoms: Whining noise from the engine, loss of power, and potential oil leaks.
  • Solution: Replacement of the turbocharger.
  • Estimated Cost to Fix: $2,500 - $4,000+
  • Recalls: None Found
• Coolant Leaks (Water Pump/Thermostat Housing)
  • Description/Symptoms: Low coolant levels, overheating, and visible coolant leaks near the water pump or thermostat housing.
  • Solution: Replacement of the faulty water pump or thermostat housing, and potentially coolant hoses.
  • Estimated Cost to Fix: $500 - $1,200+
  • Recalls: None Found

Transmission

7-Speed Dual-Clutch Automatic (AMG SPEEDSHIFT DCT 7)

• Harsh Shifting/Jerky Engagement
  • Description/Symptoms: Rough or delayed shifts, especially when cold, and jerky engagement of gears.
  • Solution: Software update of the transmission control unit (TCU), or potentially replacement of the clutch packs or mechatronics unit in severe cases.
  • Estimated Cost to Fix: $200 - $500 (Software) / $3,000 - $6,000+ (Clutch/Mechatronics)
  • Recalls: None Found
• Transmission Oil Leaks
  • Description/Symptoms: Visible oil leaks underneath the vehicle, near the transmission housing.
  • Solution: Replacement of the transmission pan gasket or seals.
  • Estimated Cost to Fix: $300 - $800+
  • Recalls: None Found

Suspension

• No Issues Found

Electrical

• Battery Drain Issues
  • Description/Symptoms: The car battery frequently dies, especially after short periods of inactivity. This can be caused by a faulty module not entering sleep mode or an aftermarket accessory drawing too much power.
  • Solution: Diagnose the cause of the parasitic drain. Replacing the faulty module or removing the offending accessory
  • Estimated Cost to Fix: $100 - $1,000+ (depending on the complexity of the issue)
  • Recalls: None Found
• Malfunctioning Sensors (e.g., Oxygen Sensors, Mass Airflow Sensor)
  • Description/Symptoms: Check engine light, poor fuel economy, rough idling, and potential performance issues.
  • Solution: Replacement of the faulty sensor.
  • Estimated Cost to Fix: $200 - $500+ per sensor
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Faulty Seat Heaters
  • Description/Symptoms: Seat heaters not working or only working intermittently.
  • Solution: Replacement of the seat heater element or the seat heater control module.
  • Estimated Cost to Fix: $300 - $800+
  • Recalls: None Found
• Creaking/Rattling Noises from Interior Trim
  • Description/Symptoms: Annoying noises emanating from the dashboard, door panels, or other interior trim pieces, especially on rough roads.
  • Solution: Tightening or replacing loose trim pieces, adding sound dampening material, and ensuring proper fitment.
  • Estimated Cost to Fix: $100 - $500+ (depending on the complexity of the issue)
  • Recalls: None Found

Summary

The 2017 Mercedes-Benz CLA45 AMG, while a powerful and desirable vehicle, has several potential issues that owners should be aware of. Engine and transmission problems, such as fuel pump failures, turbocharger issues, and rough shifting, can be costly to repair. Electrical issues like battery drain and sensor malfunctions can also be a nuisance. While not all cars will experience these problems, being informed about the potential issues will help buyers make a more informed decision and be prepared for potential maintenance costs. The severity and cost of repairs can vary widely depending on the specific issue and the extent of the damage.