2021 Mercedes-Benz CLA45 AMG

2021 Mercedes-Benz CLA45 AMG

The 2021 Mercedes-Benz CLA45 AMG is a high-performance compact sedan with a turbocharged 2.0-liter inline-four engine producing 382 horsepower and 354 lb-ft of torque. It comes standard with an 8-speed dual-clutch transmission and all-wheel drive. The CLA45 AMG is praised for its thrilling acceleration, sharp handling, and luxurious cabin, but it is also criticized for its firm ride and limited rear-seat space.

Engine

2.0-Liter Turbocharged Inline-Four

• Loss of Power Under Acceleration: The engine may experience a sudden loss of power during acceleration. This is caused by a faulty wastegate actuator, which controls the turbocharger boost.
  • Solution: Replace the wastegate actuator.
  • Estimated Cost to Fix: $1,000 - $1,500
• Turbocharger Failure: The turbocharger may fail prematurely, leading to a loss of power and excessive smoke from the exhaust. This is caused by excessive heat and stress on the turbocharger.
  • Solution: Replace the turbocharger.
  • Estimated Cost to Fix: $2,000 - $5,000

Transmission

8-Speed Dual-Clutch

• Delayed Gear Shifts: The transmission may exhibit delayed gear shifts, especially when upshifting or downshifting. This is caused by a faulty transmission control module or a problem with the clutch packs.
  • Solution: Reprogram the transmission control module or replace the clutch packs.
  • Estimated Cost to Fix: $500 - $2,000
• Transmission Shutter: The transmission may shudder or vibrate while driving, particularly at low speeds. This is caused by worn or damaged clutch discs.
  • Solution: Replace the clutch discs.
  • Estimated Cost to Fix: $1,000 - $2,000+

Suspension

• No Issues Found

Electrical

• Battery Drain: The battery may drain prematurely, leading to difficulty starting the vehicle. This is caused by a faulty module or parasitic drain.
  • Solution: Find and repair the faulty module or identify and eliminate the parasitic drain.
  • Estimated Cost to Fix: $100 - $500+
• Infotainment System Malfunction: The infotainment system may malfunction, including issues with navigation, radio, or Bluetooth connectivity. This is caused by a software glitch or a faulty component.
  • Solution: Update the software or replace the faulty component.
  • Estimated Cost to Fix: $200 - $1,000+

Exterior

• No Issues Found

Interior

• Climate Control Malfunction: The climate control system may malfunction, including issues with temperature control, fan speed, or air flow. This is caused by a faulty control module or a problem with the sensors.
  • Solution: Replace the control module or sensors.
  • Estimated Cost to Fix: $200 - $500+
• Panoramic Sunroof Leaks: The panoramic sunroof may leak water into the cabin during heavy rain. This is caused by a faulty seal or drain system.
  • Solution: Replace the seal or repair the drain system.
  • Estimated Cost to Fix: $100 - $500+

Summary

The 2021 Mercedes-Benz CLA45 AMG has several potential issues that owners should be aware of, particularly with the engine and transmission. While some issues can be resolved for a relatively low cost, others can be quite expensive to repair. Overall, the severity and cost of the issues should be considered when evaluating the vehicle’s overall value and reliability.