2019 Mercedes-Benz CLA45 AMG

The 2019 Mercedes-Benz CLA45 AMG is a high-performance compact coupe/sedan known for its potent engine and sporty handling. The CLA is available with two engine options, a 2.0L Turbo Inline-4 which is available in the CLA250 and CLA35 and a hand built AMG 2.0L Turbo Inline-4 in the CLA45 variant. The AMG variant produces 375 horsepower and 350 lb-ft of torque. Both engines come standard with an automatic transmission, with the AMG engine equipped with an AMG SPEEDSHIFT DCT 7-speed transmission. People often praise the CLA45 AMG for its exhilarating acceleration, sharp steering, and premium interior. However, some criticisms include its relatively stiff ride and limited rear passenger space.

Engine

2.0L Turbo Inline-4 AMG (M133)

• Turbocharger Failure
  • Description/Symptoms: Whining noise from the turbocharger, loss of power, check engine light.
  • Solution: Replace the turbocharger.
  • Estimated Cost to Fix: $2,500 - $4,500+
  • Recalls: None Found
• High-Pressure Fuel Pump Failure
  • Description/Symptoms: Difficulty starting, rough idling, loss of power, check engine light.
  • Solution: Replace the high-pressure fuel pump.
  • Estimated Cost to Fix: $1,200 - $2,000+
  • Recalls: None Found
• Coolant Leaks
  • Description/Symptoms: Low coolant levels, overheating, visible leaks under the car. This can stem from various sources, including the water pump or hoses.
  • Solution: Identify the source of the leak and replace the faulty component (water pump, hoses, etc.).
  • Estimated Cost to Fix: $500 - $1500+ depending on the component affected.
  • Recalls: None Found

Transmission

AMG SPEEDSHIFT DCT 7-Speed

• Rough Shifting/Hesitation
  • Description/Symptoms: Jerky or delayed shifts, particularly at lower speeds or when accelerating.
  • Solution: Transmission software update, transmission fluid change, or valve body replacement.
  • Estimated Cost to Fix: $300 (fluid change) - $3,000+ (valve body replacement).
  • Recalls: None Found
• Transmission Slipping
  • Description/Symptoms: Engine revving without corresponding acceleration.
  • Solution: Valve body replacement or complete transmission replacement.
  • Estimated Cost to Fix: $3,000 - $8,000+ depending on the severity of the issue.
  • Recalls: None Found

Suspension

• Adaptive Damper Malfunction (If Equipped)
  • Description/Symptoms: Stiff or uncomfortable ride, error message on the dashboard related to the adaptive damping system.
  • Solution: Replace the faulty damper(s).
  • Estimated Cost to Fix: $800 - $1500+ per damper.
  • Recalls: None Found
• Creaking/Squeaking Noises
  • Description/Symptoms: Noises coming from the suspension while driving over bumps or turning.
  • Solution: Inspect and replace worn suspension components such as bushings, ball joints, or sway bar links.
  • Estimated Cost to Fix: $300 - $1000+ depending on the components needing replacement.
  • Recalls: None Found

Electrical

• Infotainment System Issues
  • Description/Symptoms: Freezing, crashing, slow response times, Bluetooth connectivity problems.
  • Solution: Software update, replacement of the infotainment unit.
  • Estimated Cost to Fix: $0 (software update) - $2,000+ (unit replacement).
  • Recalls: None Found
• Sensor Failures (Parking Sensors, Blind Spot Monitoring, etc.)
  • Description/Symptoms: System malfunctions, error messages, incorrect readings.
  • Solution: Replace the faulty sensor(s).
  • Estimated Cost to Fix: $200 - $800+ per sensor.
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Car won’t start, battery keeps dying even after being charged.
  • Solution: Diagnose and repair parasitic drain, replace the battery if necessary.
  • Estimated Cost to Fix: $150 (battery) - $500+ depending on the source of the drain.
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof not opening or closing properly, making excessive noise, or leaking.
  • Solution: Repair or replace the sunroof motor, tracks, or seals.
  • Estimated Cost to Fix: $300 - $1500+ depending on the complexity of the repair.
  • Recalls: None Found

Summary

The 2019 Mercedes-Benz CLA45 AMG, while offering a thrilling driving experience, does have some potential issues to be aware of. Engine issues, particularly with the turbocharger and high-pressure fuel pump, can be costly to repair. Transmission problems, such as rough shifting and slipping, are also a concern. Electrical problems related to the infotainment system and sensor failures are also fairly common. The severity and cost of repairs can vary, but potential buyers should be prepared for potentially expensive maintenance and repairs.