2017 Mercedes-Benz S63 AMG

The 2017 Mercedes-Benz S63 AMG is a performance-oriented luxury sedan, known for its potent engine, opulent interior, and advanced technology. The S63 AMG came equipped with a 5.5-liter twin-turbocharged V8 engine producing 577 horsepower and 664 lb-ft of torque. It was paired exclusively with a 7-speed AMG Speedshift MCT (Multi Clutch Technology) transmission. Owners often praise the car’s rapid acceleration, comfortable ride (despite its sporty tuning), and sophisticated features. Common complaints include the high running costs associated with a performance vehicle, complex electronics that can be prone to glitches, and the depreciation that affects most high-end luxury cars.

Engine

5.5L Twin-Turbocharged V8

• Turbocharger Failure
  • Description/Symptoms: Whining noise from the engine, loss of power, check engine light. Can be caused by oil starvation or bearing failure.
  • Solution: Replacement of the affected turbocharger(s).
  • Estimated Cost to Fix: $3,000 - $6,000+ per turbocharger.
  • Recalls: None Found
• Oil Leaks
  • Description/Symptoms: Oil spots under the car, burning oil smell, low oil level warning. Common leak points include valve cover gaskets, oil pan gasket, and turbocharger oil lines.
  • Solution: Replacement of the leaking gasket or seal.
  • Estimated Cost to Fix: $200 - $1,500+ depending on the location of the leak and labor involved.
  • Recalls: None Found
• High-Pressure Fuel Pump (HPFP) Failure
  • Description/Symptoms: Extended cranking time, rough idle, hesitation during acceleration, check engine light.
  • Solution: Replacement of the HPFP.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found

Transmission

7-Speed AMG Speedshift MCT

• Rough Shifting/Hesitation
  • Description/Symptoms: Harsh or delayed shifts, particularly between certain gears (e.g., 2nd to 3rd).
  • Solution: Software update, transmission fluid flush, or valve body replacement.
  • Estimated Cost to Fix: $200 - $4,000+ depending on the cause and complexity.
  • Recalls: None Found
• Transmission Slipping
  • Description/Symptoms: Engine RPMs increase without corresponding increase in vehicle speed. Can occur under heavy acceleration or during gear changes.
  • Solution: Potential transmission rebuild or replacement.
  • Estimated Cost to Fix: $5,000 - $10,000+
  • Recalls: None Found

Suspension

• Air Suspension Failure
  • Description/Symptoms: Vehicle sitting lower than normal, uneven ride height, “Suspension Fault” message on the dashboard, compressor noise.
  • Solution: Replacement of the affected air strut(s), air compressor, or valve block.
  • Estimated Cost to Fix: $1,500 - $4,000+ per strut; $800 - $2,000+ for the compressor.
  • Recalls: None Found
• Active Curve System Malfunction
  • Description/Symptoms: Warning light on dash, reduced handling capabilities, clunking noises from the suspension.
  • Solution: Replacement of the Active Curve Control unit, hydraulic lines, or pump.
  • Estimated Cost to Fix: $2,000 - $5,000+
  • Recalls: None Found

Electrical

• COMAND System Issues
  • Description/Symptoms: Freezing, crashing, slow response, display glitches, connectivity problems (Bluetooth, navigation).
  • Solution: Software update, replacement of the COMAND unit.
  • Estimated Cost to Fix: $500 - $3,000+
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Car failing to start, requiring frequent jump starts. Often caused by parasitic drain from a faulty module or component.
  • Solution: Diagnosis and repair of the source of the parasitic drain, replacement of the battery.
  • Estimated Cost to Fix: $150 - $1,000+ depending on the source of the drain.
  • Recalls: None Found
• Sensor Failures (Parking Sensors, Blind Spot Monitoring, etc.)
  • Description/Symptoms: Inaccurate readings, false alarms, system malfunctions.
  • Solution: Replacement of the faulty sensor.
  • Estimated Cost to Fix: $200 - $800+ per sensor, depending on the location and type.
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Seat Heater/Cooler Malfunction
  • Description/Symptoms: Seat heater or cooler not working, intermittent operation.
  • Solution: Replacement of the heater/cooler element or control module.
  • Estimated Cost to Fix: $500 - $1,500+ per seat.
  • Recalls: None Found
• Sunroof Issues
  • Description/Symptoms: Sunroof not opening or closing properly, jamming, excessive noise.
  • Solution: Lubrication, track adjustment, or replacement of the sunroof motor or mechanism.
  • Estimated Cost to Fix: $200 - $1,500+
  • Recalls: None Found

Summary

The 2017 Mercedes-Benz S63 AMG, while a high-performing and luxurious vehicle, is prone to several issues common to high-performance luxury cars. Engine and transmission issues can be costly to repair, particularly turbocharger failures and transmission rebuilds. Electrical gremlins and air suspension problems can also be expensive. Overall, potential buyers should be aware of these potential issues and factor in maintenance costs when considering this vehicle. The severity of the issues ranges from minor inconveniences to major mechanical failures, with repair costs spanning from a few hundred to several thousand dollars.