2020 Mercedes-Benz GLC63 AMG S

Introduction

The 2020 Mercedes-Benz GLC63 AMG S is a high-performance luxury SUV powered by a twin-turbocharged 4.0L V8 engine producing 503 horsepower and 516 lb-ft of torque. It is paired with a 9-speed automatic transmission and a 4MATIC+ all-wheel-drive system. The GLC63 AMG S is praised for its blistering acceleration, impeccable handling, and sophisticated interior. However, some owners have reported various issues with their vehicles.

Engine

4.0L V8 BiTurbo

• Intake Valve Buildup: Carbon buildup on the intake valves can cause reduced engine performance and increased emissions. Solution: Replace the intake valves and clean the engine intake system. Estimated Cost to Fix: $1000 - $2000+
• Turbocharger Failure: Premature failure of the turbochargers can result in loss of power and engine damage. Solution: Replace the affected turbocharger. Estimated Cost to Fix: $2000 - $5000+
• Engine Overheating: Excessive engine temperatures can occur due to a faulty thermostat or coolant system issues. Solution: Replace the thermostat or repair the coolant system as needed. Estimated Cost to Fix: $500 - $1500+
• Fuel Injector Issues: Malfunctioning fuel injectors can lead to rough idling, reduced power, and increased fuel consumption. Solution: Replace the faulty fuel injectors. Estimated Cost to Fix: $500 - $1000+

Transmission

9-Speed Automatic Transmission

• Delayed Shifting: Hesitation or delayed shifts between gears can be experienced, especially under hard acceleration. Solution: Update the transmission software or replace the transmission valve body. Estimated Cost to Fix: $500 - $1500+
• Jerky Shifts: Rough or abrupt shifts while driving can indicate transmission issues. Solution: Repair or replace the transmission or its components as needed. Estimated Cost to Fix: $1500 - $3000+
• Transmission Slippage: Loss of power while driving can occur due to transmission slippage. Solution: Rebuild or replace the transmission. Estimated Cost to Fix: $3000 - $5000+

Suspension

• Rattling Noises: Loose or worn suspension components can create rattling or clunking noises over bumps. Solution: Inspect and replace the affected suspension parts. Estimated Cost to Fix: $500 - $1500+
• Stiff Ride: Excessive stiffness or harshness in the suspension can reduce ride comfort. Solution: Adjust the suspension settings or replace the suspension components as needed. Estimated Cost to Fix: $500 - $2000+
• Uneven Tire Wear: Improper alignment or suspension issues can lead to uneven tire wear. Solution: Align the wheels and inspect the suspension for any damage or worn parts. Estimated Cost to Fix: $100 - $500+

Electrical

• Battery Drain: Premature battery discharge can occur due to faulty electrical components or a weak battery. Solution: Inspect the electrical system for any parasitic drains and replace the affected components as needed. Estimated Cost to Fix: $500 - $1000+
• Malfunctioning Electronic Controls: Issues with electronic control modules or sensors can affect various vehicle functions, such as the infotainment system or climate control. Solution: Diagnose and repair or replace the affected electronic components. Estimated Cost to Fix: $500 - $2000+

Exterior

• Door Handle Issues: Sticking or malfunctioning door handles can make it difficult to enter or exit the vehicle. Solution: Replace the affected door handle. Estimated Cost to Fix: $500 - $1000+
• Sunroof Leaks: Water leakage through the sunroof can occur due to worn seals or drainage issues. Solution: Replace the sunroof seals or repair the drainage system as needed. Estimated Cost to Fix: $500 - $1500+

Interior

• Panoramic Sunroof Rattling: Excessive noise or vibrations can be present in the panoramic sunroof while driving. Solution: Adjust or replace the sunroof tracks or panels. Estimated Cost to Fix: $500 - $1000+
• Infotainment Screen Malfunctions: Intermittent or unresponsive infotainment screens can occur due to software issues or hardware failures. Solution: Update the software or replace the affected components as needed. Estimated Cost to Fix: $500 - $1500+

Summary

The 2020 Mercedes-Benz GLC63 AMG S is a highly capable luxury SUV, but not without its potential issues. Engine problems, transmission glitches, suspension rattles, and electrical system malfunctions can arise. While some repairs are minor, others can be costly, especially those involving engine or transmission components. It is recommended to stay informed about common issues and consider extended warranty coverage to mitigate potential repair expenses.