2022 Mercedes-Benz GLC43 AMG

The 2022 Mercedes-Benz GLC43 AMG is a performance-oriented compact SUV that blends luxury with sporty driving dynamics. Powered by a handcrafted AMG-enhanced 3.0L V6 biturbo engine, it produces 385 horsepower and 384 lb-ft of torque. All trims come with the AMG SPEEDSHIFT TCT 9-speed automatic transmission. While lauded for its powerful engine, sharp handling, and luxurious interior, some owners have reported experiencing a few issues. Common praises include the responsive engine and sporty handling, while some common dislikes are the stiff ride and complex infotainment system.

Engine

3.0L V6 Biturbo

• Turbocharger Failure
  • Description/Symptoms: Whining noise from the turbocharger, loss of power, check engine light.
  • Solution: Replace the faulty turbocharger.
  • Estimated Cost to Fix: $2,500 - $4,000+
  • Recalls: None Found
• Oil Leaks
  • Description/Symptoms: Visible oil leaks under the vehicle, burning oil smell, low oil level. Often originates from the valve cover gaskets or oil cooler lines.
  • Solution: Replace the leaking gaskets or lines.
  • Estimated Cost to Fix: $300 - $1,500+ depending on the location of the leak.
  • Recalls: None Found

Transmission

AMG SPEEDSHIFT TCT 9-Speed Automatic

• Rough or Harsh Shifting
  • Description/Symptoms: Jerky shifts, hesitation between gears, particularly at low speeds.
  • Solution: Software update and adaptation reset of the transmission control module (TCM). In more severe cases, valve body replacement might be necessary.
  • Estimated Cost to Fix: $200 (software) - $2,500+ (valve body).
  • Recalls: None Found
• Transmission Slipping
  • Description/Symptoms: Engine revving without corresponding acceleration, delayed engagement of gears.
  • Solution: Diagnose and repair the transmission, which could involve replacing damaged clutch packs or other internal components.
  • Estimated Cost to Fix: $3,000 - $7,000+ depending on the severity.
  • Recalls: None Found

Suspension

• Air Suspension Issues (if equipped)
  • Description/Symptoms: Vehicle leaning to one side, compressor failing to maintain proper ride height, error messages related to the suspension system.
  • Solution: Diagnose and replace the faulty air strut(s), compressor, or related components.
  • Estimated Cost to Fix: $1,500 - $3,000+ per corner for air struts. Compressor replacement is similar.
  • Recalls: None Found

Electrical

• Infotainment System Freezing/Crashing
  • Description/Symptoms: The MBUX system freezing, rebooting unexpectedly, or exhibiting lag.
  • Solution: Software update or, in some cases, replacement of the head unit.
  • Estimated Cost to Fix: $0 (Software Update) - $1,500+ (Head Unit Replacement if not covered by warranty).
  • Recalls: None Found
• Sensor Malfunctions
  • Description/Symptoms: Issues with the parking sensors, blind-spot monitoring, or other driver-assistance systems. Often triggered by faulty sensors.
  • Solution: Diagnose and replace the malfunctioning sensor(s).
  • Estimated Cost to Fix: $200 - $800+ per sensor depending on location and type.
  • Recalls: None Found

Exterior

• Sunroof Issues
  • Description/Symptoms: Sunroof not opening or closing properly, getting stuck, or making excessive noise.
  • Solution: Diagnose and repair the sunroof mechanism, which may involve cleaning, lubrication, or replacement of faulty parts.
  • Estimated Cost to Fix: $200 - $1,000+ depending on the issue.
  • Recalls: None Found

Interior

• Rattling/Squeaking Noises
  • Description/Symptoms: Various rattling or squeaking noises from the dashboard, door panels, or other interior components, especially on rough roads.
  • Solution: Identify the source of the noise and apply sound-deadening material or tighten loose components.
  • Estimated Cost to Fix: $100 - $500+ depending on the source and complexity.
  • Recalls: None Found

Summary

The 2022 Mercedes-Benz GLC43 AMG, while generally reliable, can experience some issues. The most expensive potential problems revolve around the engine (turbo failure) and transmission. Electrical glitches and interior noises are also reported, though typically less severe. Prospective buyers should be aware of the potential for these issues and thoroughly inspect any used vehicle before purchase. The costs can range from minor software updates to significant component replacements, potentially reaching several thousand dollars.