2014 Mercedes-Benz E63 AMG S

The 2014 Mercedes-Benz E63 AMG S is a high-performance luxury sedan/wagon known for its powerful engine and sophisticated features. The 2014 E63 AMG was offered with a 5.5-liter twin-turbocharged V8 engine that produced 577 horsepower and 590 lb-ft of torque, paired with a 7-speed AMG Speedshift MCT transmission. Some owners appreciate the car’s raw power, luxurious interior, and advanced technology. Common complaints include the high cost of maintenance and repairs, and the complicated nature of some of the electronic systems.

Engine

5.5L Twin-Turbo V8 (M157)

• Oil Leaks
  • Description/Symptoms: Oil leaks are common around the valve cover gaskets, oil filter housing, and turbocharger oil lines. Symptoms include oil spots under the car, a burning oil smell, and low oil level warnings.
  • Solution: Replacing the leaking gaskets and lines.
  • Estimated Cost to Fix: $300 - $1,500+ depending on the location and severity of the leak.
  • Recalls: None Found
• Turbocharger Failure
  • Description/Symptoms: The turbochargers can fail due to oil starvation or general wear and tear. Symptoms include a loss of power, whistling noises from the engine, and check engine lights.
  • Solution: Replacing the faulty turbocharger(s).
  • Estimated Cost to Fix: $2,500 - $5,000+ per turbocharger, including labor.
  • Recalls: None Found
• Fuel Injector Failure
  • Description/Symptoms: Fuel injectors can fail, causing misfires, rough idling, and a decrease in fuel economy.
  • Solution: Replacing the faulty fuel injector(s).
  • Estimated Cost to Fix: $200 - $500+ per injector including labor.
  • Recalls: None Found

Transmission

7-Speed AMG Speedshift MCT (722.9)

• Rough Shifting
  • Description/Symptoms: Some owners report rough or jerky shifting, especially during downshifts or when the transmission is cold. This can be caused by worn valve body components or low transmission fluid.
  • Solution: Transmission fluid flush and filter change, valve body repair or replacement, or complete transmission rebuild.
  • Estimated Cost to Fix: $300 for fluid flush, $1,500 - $3,000+ for valve body work, $5,000 - $8,000+ for a rebuild.
  • Recalls: None Found
• Torque Converter Issues
  • Description/Symptoms: Torque converter failure can cause shuddering, slipping, and difficulty engaging gears.
  • Solution: Replacing the torque converter.
  • Estimated Cost to Fix: $1,500 - $3,000+ including labor.
  • Recalls: None Found

Suspension

• Air Suspension Failure (Airmatic)
  • Description/Symptoms: The Airmatic air suspension system can experience leaks in the air struts or failure of the air compressor. Symptoms include the car sitting unevenly, a warning light on the dash, and a noisy air compressor.
  • Solution: Replacing the leaking air struts or the air compressor.
  • Estimated Cost to Fix: $800 - $2,000+ per strut, $800 - $1,500+ for the compressor, including labor.
  • Recalls: None Found

Electrical

• Electronic Control Unit (ECU) Issues
  • Description/Symptoms: Various ECU modules can fail or develop software glitches, leading to warning lights, malfunctioning sensors, and drivability issues.
  • Solution: Diagnosing and reprogramming or replacing the faulty ECU module.
  • Estimated Cost to Fix: $500 - $2,000+ depending on the module and the extent of the repair.
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Some owners report excessive battery drain, especially if the car is left unused for extended periods. This can be caused by a faulty component not shutting down properly.
  • Solution: Identifying and repairing the parasitic draw on the battery.
  • Estimated Cost to Fix: $100 - $500+ depending on the source of the drain.
  • Recalls: None Found

Exterior

• Panoramic Sunroof Problems
  • Description/Symptoms: The panoramic sunroof can experience issues with the motor, tracks, or seals, causing it to stick, make excessive noise, or leak.
  • Solution: Repairing or replacing the sunroof components.
  • Estimated Cost to Fix: $300 - $2,000+ depending on the extent of the damage.
  • Recalls: None Found

Interior

• COMAND System Malfunctions
  • Description/Symptoms: The COMAND infotainment system can experience glitches, freezing, or complete failure.
  • Solution: Software updates, module replacement.
  • Estimated Cost to Fix: $200 - $1,500+ depending on the issue.
  • Recalls: None Found

Summary

The 2014 Mercedes-Benz E63 AMG S is a powerful and luxurious vehicle but can be prone to some expensive repairs. The most common issues revolve around the engine, transmission, suspension, and electrical systems. Potential buyers should be aware of the high cost of maintenance and repairs, especially concerning the turbochargers, air suspension, and electronic components. Addressing any symptoms early can help prevent more significant and costly damage in the long run.