2015 Mercedes-Benz C63 AMG S

Introduction:

The 2015 Mercedes-Benz C63 AMG S is a high-performance sedan powered by a twin-turbocharged 4.0-liter V8 engine that produces 503 horsepower and 516 lb-ft of torque. It comes equipped with a 7-speed automatic transmission. Owners appreciate the vehicle’s exhilarating performance, luxurious interior, and stylish exterior. However, it also has some known issues that owners should be aware of.

Engine

4.0L V8 Twin-Turbo

• Turbocharger Wastegate Failure: The wastegate can fail, causing a loss of boost pressure and reduced engine performance. Symptoms include decreased acceleration and poor throttle response. The solution involves replacing the faulty wastegate. Estimated cost to fix: $1,200 - $2,000+.
• Cam Phaser Malfunction: The cam phasers can malfunction, causing a rough idle, poor fuel economy, and reduced engine power. The solution involves replacing the affected cam phasers. Estimated cost to fix: $1,500 - $2,500+.
• Intake Manifold Leaks: The intake manifold can develop leaks, causing a loss of power and increased emissions. The solution involves replacing the intake manifold gasket. Estimated cost to fix: $500 - $1,000+.

Transmission

7-Speed Automatic

• Harsh Shifting: The transmission may shift harshly, especially during downshifts. The solution involves updating the transmission software or replacing the valve body. Estimated cost to fix: $500 - $2,000+.
• Slipping Gears: The transmission may slip out of gear, especially under load. The solution involves replacing the torque converter or rebuilding the transmission. Estimated cost to fix: $2,000 - $4,000+.

Suspension

AMG Ride Control Sport Suspension

• Air Spring Leaks: The air springs can develop leaks, causing the suspension to drop and reducing ride comfort. The solution involves replacing the faulty air springs. Estimated cost to fix: $1,000 - $2,000+ per spring.

Electrical

• Battery Drain Issue: The battery can drain prematurely due to a parasitic draw. The solution involves diagnosing and repairing the source of the draw. Estimated cost to fix: $200 - $1,000+.
• Alternator Failure: The alternator can fail, causing the battery to discharge and electrical systems to malfunction. The solution involves replacing the alternator. Estimated cost to fix: $500 - $1,200+.

Exterior

• Sunroof Seal Failure: The sunroof seal can fail, allowing water to leak into the cabin. The solution involves replacing the sunroof seal. Estimated cost to fix: $500 - $1,000+.

Interior

• Rear Seat Cushion Sagging: The rear seat cushions can sag and lose their support over time. The solution involves replacing the seat cushions or adding additional support. Estimated cost to fix: $500 - $1,500+.
• Infotainment System Glitch: The infotainment system may experience glitches, such as freezing or unresponsive touch controls. The solution involves updating the software or replacing the display unit. Estimated cost to fix: $500 - $2,000+.

Summary:

The 2015 Mercedes-Benz C63 AMG S is a powerful and luxurious sedan, but it does have some known reliability issues. Engine problems, such as turbocharger failures and cam phaser malfunctions, can be costly to repair. Transmission issues, like harsh shifting and slipping gears, can also be significant. Suspension and electrical concerns are less common but can still require expensive repairs. Interior issues, such as rear seat cushion sagging, are less severe but can still be annoying. Overall, the C63 AMG S is a desirable vehicle, but it’s important for potential buyers to be aware of its potential problems before making a purchase.