2016 Mercedes-Benz A45 AMG

The 2016 Mercedes-Benz A45 AMG is a high-performance hatchback known for its potent turbocharged engine and sporty handling. It only came with one engine option, a 2.0-liter turbocharged inline-4, producing 375 horsepower and 350 lb-ft of torque. All models were equipped with a 7-speed dual-clutch transmission. Owners generally praise the A45 AMG’s acceleration, agility, and distinctive styling. Common criticisms include a firm ride, limited rear passenger space, and relatively high running costs.

Engine

2.0L Turbocharged Inline-4 (M133)

• Coolant Leaks
  • Description/Symptoms: Coolant leaks may develop from the thermostat housing or water pump. Symptoms include low coolant level, overheating, and visible coolant under the vehicle.
  • Solution: Replace the thermostat housing and/or water pump and coolant.
  • Estimated Cost to Fix: $400 - $1000+
  • Recalls: None Found
• Turbocharger Failure
  • Description/Symptoms: Whining noise from the engine bay, loss of power, and potential for engine damage. This is a less common but serious issue.
  • Solution: Replace the turbocharger.
  • Estimated Cost to Fix: $2,500 - $5,000+
  • Recalls: None Found

Transmission

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

• Rough Shifting/Hesitation
  • Description/Symptoms: Jerky shifts, particularly at low speeds, hesitation when accelerating, and occasional clunking noises.
  • Solution: Software update for the transmission control unit (TCU) or replacement of transmission fluid.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found
• Mechatronic Unit Failure
  • Description/Symptoms: Complete transmission failure, inability to shift gears, or erratic shifting behavior.
  • Solution: Replacement of the mechatronic unit.
  • Estimated Cost to Fix: $3,000 - $5,000+
  • Recalls: None Found

Suspension

• Damper Failure
  • Description/Symptoms: Clunking noises from the suspension, reduced ride comfort, and compromised handling.
  • Solution: Replace the affected shock absorber(s).
  • Estimated Cost to Fix: $500 - $1500+ per corner
  • Recalls: None Found
• Creaking Noises
  • Description/Symptoms: Creaking or squeaking noises from the suspension, especially when going over bumps or turning. Often related to worn bushings or ball joints.
  • Solution: Replacement of worn bushings, ball joints, or control arms.
  • Estimated Cost to Fix: $300 - $1000+
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: Battery drains quickly, especially when the car is not driven frequently.
  • Solution: Perform a parasitic draw test to identify the source of the drain and repair the faulty component. It could be a faulty module, an aftermarket accessory, or a problem with the charging system.
  • Estimated Cost to Fix: $150 - $1000+
  • Recalls: None Found
• Malfunctioning Sensors
  • Description/Symptoms: Various warning lights on the dashboard, such as the TPMS (Tire Pressure Monitoring System) light, ABS (Anti-lock Braking System) light, or engine management light. May also cause driveability issues.
  • Solution: Diagnose the specific fault code and replace the faulty sensor.
  • Estimated Cost to Fix: $100 - $500+ per sensor
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Rattles
  • Description/Symptoms: Interior rattles, particularly from the dashboard, door panels, or rear hatch area. Common on rough roads.
  • Solution: Locate and secure the source of the rattle. This may involve adding foam padding, tightening screws, or replacing worn clips.
  • Estimated Cost to Fix: $50 - $300+ (can vary significantly depending on the source and complexity)
  • Recalls: None Found

Summary

The 2016 Mercedes-Benz A45 AMG, while lauded for its performance, exhibits several common issues. Engine problems, such as coolant leaks and turbocharger issues, can be costly. The dual-clutch transmission may experience rough shifting or even mechatronic unit failure, leading to expensive repairs. Suspension noises and electrical issues can also arise. While some problems are relatively minor, others could result in significant repair bills, making a thorough inspection essential before purchasing a used A45 AMG.