2020 Mercedes-Benz GLC300

Introduction

The 2020 Mercedes-Benz GLC300 is a compact luxury SUV that offers a combination of performance, comfort, and technology. It features a 2.0-liter turbocharged inline-4 engine with 255 horsepower and 273 lb-ft of torque, paired with a 9-speed automatic transmission. Other engine and transmission options include a 3.0-liter twin-turbocharged V6 with 385 horsepower and 384 lb-ft of torque, paired with a 9-speed automatic transmission; and a 2.0-liter turbocharged inline-4 plug-in hybrid with 320 horsepower and 325 lb-ft of torque, paired with a 9-speed automatic transmission.

Owners appreciate the GLC300’s comfortable ride, luxurious interior, and advanced safety features. However, some have reported various issues affecting different components.

Engine

• 2.0-liter turbocharged inline-4
  • Intake manifold gasket failure
    • Description/Symptoms: Leaking coolant, overheating, loss of power
    • Solution: Replace intake manifold gasket
    • Estimated Cost to Fix: $800 - $1200+
    • Recalls: None Found
  • Fuel injector failure
    • Description/Symptoms: Hard starting, rough idle, poor acceleration
    • Solution: Replace fuel injectors
    • Estimated Cost to Fix: $500 - $800+
    • Recalls: None Found
• 3.0-liter twin-turbocharged V6
  • No Issues Found

Transmission

• 9-speed automatic transmission
  • Shift flare
    • Description/Symptoms: Hesitation or shuddering during gear changes
    • Solution: Software update, transmission fluid change
    • Estimated Cost to Fix: $200 - $500+
    • Recalls: None Found
  • Mechatronic unit failure
    • Description/Symptoms: Difficulty shifting gears, loss of power
    • Solution: Replace mechatronic unit
    • Estimated Cost to Fix: $2000 - $3000+
    • Recalls: None Found

Suspension

• Air suspension failure
  • Description/Symptoms: Suspension malfunction, uneven ride height
  • Solution: Replace air suspension components or compressor
  • Estimated Cost to Fix: $1000 - $2000+
  • Recalls: NHTSA Campaign Number 20V467000

Electrical

• Battery drain
  • Description/Symptoms: Difficulty starting, rapid battery discharge
  • Solution: Diagnose and repair electrical system components
  • Estimated Cost to Fix: $500 - $1000+
  • Recalls: None Found

Exterior

• Windshield wiper issues
  • Description/Symptoms: Inability to wipe effectively, noises while operating
  • Solution: Replace wiper blades or motor
  • Estimated Cost to Fix: $100 - $300+
  • Recalls: None Found

Interior

• Headliner sagging
  • Description/Symptoms: Loose or detached headliner material
  • Solution: Re-attach or replace headliner
  • Estimated Cost to Fix: $500 - $1000+
  • Recalls: None Found
• Center console cracking
  • Description/Symptoms: Cracks developing on the center console
  • Solution: Replace center console
  • Estimated Cost to Fix: $500 - $800+
  • Recalls: None Found

Summary

The 2020 Mercedes-Benz GLC300 is a reliable and comfortable luxury SUV, but it has experienced its share of issues. The severity and cost of these issues vary, with some requiring costly repairs. Owners should be aware of potential problems and budget accordingly for maintenance and repairs.