2016 Mercedes-Benz SL63 AMG

The 2016 Mercedes-Benz SL63 AMG is a luxury roadster known for its powerful performance and refined driving experience. The SL63 AMG comes with a 5.5-liter twin-turbo V8 engine producing 577 horsepower and 664 lb-ft of torque. It is paired with a 7-speed AMG SPEEDSHIFT MCT transmission. People generally love the exhilarating acceleration, comfortable ride, and luxurious interior. Downsides often cited include the high running costs, complex electronics, and potential for expensive repairs. This car does not have any other engine or transmission options available.

Engine

5.5L Twin-Turbo V8

• Oil Leaks from Turbocharger Oil Lines
  • Description/Symptoms: Oil leaks are observed around the turbochargers and associated oil lines. This can lead to burning smells, reduced oil levels, and potentially damage to other components.
  • Solution: Replacing the faulty oil lines and gaskets.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found
• Valve Cover Gasket Leaks
  • Description/Symptoms: Oil leaking from the valve cover gaskets, leading to burning oil smells and potential oil consumption.
  • Solution: Replacing the valve cover gaskets.
  • Estimated Cost to Fix: $400 - $1,000+
  • Recalls: None Found

Transmission

7-Speed AMG SPEEDSHIFT MCT

• Rough Shifting/Hesitation
  • Description/Symptoms: The transmission exhibits harsh or delayed shifts, particularly during downshifts or under heavy acceleration. This can be accompanied by a noticeable “clunking” sound.
  • Solution: Diagnostic scan to identify any fault codes. Fluid flush and filter change. If the problem persists, valve body repair or replacement may be required.
  • Estimated Cost to Fix: $300 (fluid flush) - $3,000+ (valve body)
  • Recalls: None Found
• Torque Converter Issues
  • Description/Symptoms: Shuddering or vibrations at low speeds, especially when the torque converter is locking up.
  • Solution: Torque converter replacement.
  • Estimated Cost to Fix: $2,000 - $4,000+
  • Recalls: None Found

Suspension

• Air Suspension Compressor Failure
  • Description/Symptoms: The air suspension system fails to maintain proper ride height, leading to a sagging appearance or a harsh ride. An error message may be displayed on the dashboard. The compressor may be making excessive noise.
  • Solution: Replacing the air suspension compressor.
  • Estimated Cost to Fix: $1,200 - $2,500+
  • Recalls: None Found
• Air Strut Leaks
  • Description/Symptoms: The vehicle leans to one side or drops overnight due to a leak in one or more of the air struts. A hissing sound may be audible near the affected strut.
  • Solution: Replacing the leaking air strut(s).
  • Estimated Cost to Fix: $1,500 - $3,000+ per strut
  • Recalls: None Found

Electrical

• Battery Drain Issues
  • Description/Symptoms: The battery drains rapidly, especially when the car is not in use. This can lead to difficulty starting the engine or complete battery failure.
  • Solution: Identifying and addressing the parasitic drain. This may involve replacing a faulty module or repairing a wiring issue.
  • Estimated Cost to Fix: $100 - $1,000+ depending on the source of the drain.
  • Recalls: None Found
• COMAND System Malfunctions
  • Description/Symptoms: The COMAND infotainment system experiences glitches, freezes, or complete failure. This can affect navigation, audio, and other vehicle functions.
  • Solution: Software update or replacement of the COMAND unit.
  • Estimated Cost to Fix: $300 - $2,000+
  • Recalls: None Found

Exterior

• Convertible Top Issues
  • Description/Symptoms: The convertible top fails to open or close properly, or makes unusual noises during operation. This can be caused by a faulty hydraulic pump, damaged sensors, or misaligned components.
  • Solution: Diagnosing and repairing the convertible top mechanism. This may involve replacing hydraulic cylinders, sensors, or adjusting the alignment.
  • Estimated Cost to Fix: $500 - $3,000+
  • Recalls: None Found

Interior

• Seat Heater Failure
  • Description/Symptoms: The seat heaters fail to function or only provide partial heating.
  • Solution: Replacing the heating element or control module.
  • Estimated Cost to Fix: $300 - $1,000+
  • Recalls: None Found
• Dashboard Cracking
  • Description/Symptoms: Cracking on the dashboard surface, primarily in areas exposed to direct sunlight.
  • Solution: Dashboard replacement (expensive) or using a dashboard cover.
  • Estimated Cost to Fix: $2,000+ (dashboard replacement)
  • Recalls: None Found

Summary

The 2016 Mercedes-Benz SL63 AMG presents a mixed bag of potential issues. Engine oil leaks and transmission problems can be costly to address, as can issues with the air suspension and electrical systems. While the SL63 AMG offers a thrilling driving experience, prospective buyers should be aware of these potential maintenance costs and ensure a thorough pre-purchase inspection. The severity of the issues varies, but many of the common problems can lead to repair bills in the thousands of dollars.