2022 Mercedes-Benz GLA45 AMG

The 2022 Mercedes-Benz GLA45 AMG is a high-performance subcompact SUV known for its thrilling driving experience and luxurious features. The GLA45 AMG boasts a handcrafted 2.0-liter turbocharged inline-4 engine producing 382 horsepower and 350 lb-ft of torque. The engine is paired with an 8-speed AMG SPEEDSHIFT DCT 8G dual-clutch transmission. Drivers often praise the GLA45 AMG for its quick acceleration, agile handling, and sporty styling. Some criticisms include its firm ride, limited rear passenger space, and relatively high price point.

Engine

2.0L Turbocharged Inline-4 (M139)

• Excessive Oil Consumption
  • Description/Symptoms: Some owners have reported higher than expected oil consumption, requiring more frequent oil top-offs between scheduled services. Symptoms include low oil level warnings and the need to add oil every few thousand miles.
  • Solution: In some cases, a software update to the engine control unit (ECU) has helped to mitigate the issue. More severe cases may require replacement of piston rings or other internal engine components.
  • Estimated Cost to Fix: $500 - $5,000+ depending on the severity and repair needed.
  • Recalls: None Found
• Turbocharger Failure
  • Description/Symptoms: Premature turbocharger failure can occur. Symptoms include a loss of power, unusual noises from the engine (whining, whistling), and potentially an engine check light.
  • Solution: Turbocharger replacement.
  • Estimated Cost to Fix: $2,500 - $4,000+
  • Recalls: None Found

Transmission

8-Speed AMG SPEEDSHIFT DCT 8G Dual-Clutch Transmission

• Harsh Shifting/Jerking
  • Description/Symptoms: Some owners have reported experiencing harsh or jerky shifting, especially at lower speeds. This can be more noticeable during acceleration and deceleration.
  • Solution: A software update to the transmission control unit (TCU) may resolve the issue. In some cases, replacement of the clutch pack or mechatronic unit may be necessary.
  • Estimated Cost to Fix: $300 (software update) - $5,000+ (clutch pack/mechatronic unit replacement)
  • Recalls: None Found
• Transmission Slippage
  • Description/Symptoms: Slipping between gears can occur, especially during hard acceleration.
  • Solution: Replacement of clutch packs, valve body or complete transmission replacement.
  • Estimated Cost to Fix: $4,000-$8,000+
  • Recalls: None Found

Suspension

• Adaptive Damper Malfunction
  • Description/Symptoms: The adaptive damping system (if equipped) can experience malfunctions, resulting in a noticeably harsher or inconsistent ride quality. Warning lights related to the suspension system may illuminate.
  • Solution: Diagnosis and replacement of the affected damper(s) or control module.
  • Estimated Cost to Fix: $800 - $2,000+ per damper (parts and labor).
  • Recalls: None Found

Electrical

• MBUX System Issues
  • Description/Symptoms: The Mercedes-Benz User Experience (MBUX) infotainment system can experience glitches, freezes, and connectivity issues. This includes problems with the touchscreen, voice control, and navigation.
  • Solution: Software updates can often resolve these issues. In more severe cases, replacement of the MBUX head unit may be required.
  • Estimated Cost to Fix: $0 (software update) - $2,000+ (head unit replacement).
  • Recalls: None Found
• Sensor Failures
  • Description/Symptoms: Various sensors, such as those related to the parking assist system or driver-assistance features (blind spot monitoring, lane keeping assist), can fail. This can result in warning lights and malfunctioning safety features.
  • Solution: Diagnosis and replacement of the faulty sensor.
  • Estimated Cost to Fix: $200 - $800+ per sensor (parts and labor).
  • Recalls: None Found

Exterior

• Sunroof/Moonroof Issues
  • Description/Symptoms: Some owners have reported issues with the sunroof or moonroof, including difficulty opening or closing, unusual noises, or leaks.
  • Solution: Diagnosis and repair or replacement of the sunroof motor, tracks, or seals.
  • Estimated Cost to Fix: $300 - $1,500+
  • Recalls: None Found

Interior

• Seat Heater Malfunction
  • Description/Symptoms: The seat heaters may fail to function properly, either not heating at all or providing inconsistent heat.
  • Solution: Diagnosis and replacement of the heating element or control module.
  • Estimated Cost to Fix: $300 - $1,000+ per seat.
  • Recalls: None Found

Summary

The 2022 Mercedes-Benz GLA45 AMG, while a performance-oriented vehicle, has some reported issues that potential buyers should be aware of. Engine issues, such as excessive oil consumption and turbocharger failures, can be costly to repair. Transmission issues like harsh shifting can impact the driving experience, and electrical problems with the MBUX system can be frustrating. While some issues can be addressed with software updates, others require more significant repairs. Overall, the severity of these issues ranges from minor inconveniences to potentially major mechanical failures, with repair costs varying accordingly.