2022 Mercedes-Benz GLA35 AMG

The 2022 Mercedes-Benz GLA35 AMG is a performance-oriented subcompact SUV, offering a blend of practicality and sporty driving dynamics. It features a turbocharged 2.0-liter inline-4 engine producing 302 horsepower and 295 lb-ft of torque, paired with an 8-speed dual-clutch automatic transmission. While appreciated for its nimble handling, quick acceleration, and upscale interior, some owners have reported issues related to the vehicle’s technology and certain mechanical components. The GLA-Class also has other engine options available, like the GLA250 which is powered by a 2.0L inline-4 turbo engine that produces 221 horsepower and 258 lb-ft of torque, and the GLA45 AMG which is powered by a handcrafted AMG 2.0L turbo engine that produces 382 horsepower and 354 lb-ft of torque. All of these engines are paired with a transmission.

Engine

2.0L Turbocharged Inline-4 (M260/M264)

• Coolant Leak from Thermostat Housing
  • Description/Symptoms: Coolant leak near the thermostat housing, evidenced by a low coolant level warning, coolant smell, or visible coolant pooling.
  • Solution: Replacement of the thermostat housing and gasket. Some cases might require replacing the entire thermostat assembly.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found
• High-Pressure Fuel Pump Failure
  • Description/Symptoms: Engine misfires, rough idling, reduced power, or difficulty starting. Diagnostic trouble codes (DTCs) related to fuel pressure or fuel delivery are typically present.
  • Solution: Replacement of the high-pressure fuel pump.
  • Estimated Cost to Fix: $800 - $1500+
  • Recalls: None Found

Transmission

8-Speed Dual-Clutch Automatic (DCT)

• Rough Shifting/Hesitation
  • Description/Symptoms: Harsh or jerky shifts, especially during low-speed maneuvers or upshifts. Hesitation or delays when accelerating from a standstill.
  • Solution: Software update for the transmission control unit (TCU) to optimize shift logic. In some cases, replacement of the mechatronic unit (valve body) within the transmission might be necessary.
  • Estimated Cost to Fix: Software update $200, Mechatronic unit replacement $2000 - $4000+
  • Recalls: None Found
• Transmission Slippage
  • Description/Symptoms: The engine RPMs increase without a corresponding increase in vehicle speed. This can be more noticeable when accelerating or going uphill.
  • Solution: In some cases, a software update may resolve the issue. However, if the slippage is severe or persistent, a transmission rebuild or replacement may be necessary.
  • Estimated Cost to Fix: Software update $200, Transmission replacement $5000 - $8000+
  • Recalls: None Found

Suspension

• Premature Wear of Suspension Components
  • Description/Symptoms: Clunking or rattling noises from the suspension, particularly when going over bumps. Uneven tire wear.
  • Solution: Inspection and replacement of worn components such as control arm bushings, sway bar links, or struts/shocks.
  • Estimated Cost to Fix: $300 - $1000+ per component
  • Recalls: None Found

Electrical

• Malfunctioning MBUX Infotainment System
  • Description/Symptoms: System freezes, crashes, or restarts unexpectedly. Loss of functionality for certain features (navigation, audio, Bluetooth).
  • Solution: Software update for the MBUX system. If the issue persists, replacement of the central control unit might be necessary.
  • Estimated Cost to Fix: Software update, Replacement of central control unit $1000 - $3000+
  • Recalls: None Found
• Sensor Issues
  • Description/Symptoms: Warning lights on the dashboard for various systems (e.g., parking sensors, blind spot monitoring). Inaccurate readings or intermittent failures of these systems.
  • Solution: Diagnosis to identify the faulty sensor(s) and replacement.
  • Estimated Cost to Fix: $200 - $800+ per sensor
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Creaking or Rattling Noises from Interior Trim
  • Description/Symptoms: Annoying creaking or rattling sounds coming from the dashboard, door panels, or other interior trim pieces, especially when driving on rough roads.
  • Solution: Tightening or replacing loose fasteners, adding padding or insulation to reduce friction between trim pieces.
  • Estimated Cost to Fix: $100 - $500+ depending on severity
  • Recalls: None Found

Summary

The 2022 Mercedes-Benz GLA35 AMG, while a sporty and luxurious vehicle, appears to have some common issues centered around the engine, transmission, electrical system, and interior trim. The engine issues, such as coolant leaks and fuel pump failures, can lead to significant repair costs. Transmission problems, particularly rough shifting and hesitation, seem to be a recurring theme. Electrical glitches with the MBUX system and sensors can also be frustrating for owners. While interior trim noises are more of an annoyance, they can detract from the overall luxury experience. The severity of these issues varies, but the potential repair costs should be considered when evaluating this vehicle.