2010 Mercedes-Benz SL600

The 2010 Mercedes-Benz SL600 is a luxurious and powerful roadster. The SL600 came equipped with a 5.5L Twin-Turbo V12 engine producing 510 horsepower and 612 lb-ft of torque paired with a 5-speed automatic transmission. People liked the SL600 for its smooth ride, powerful engine, and luxurious features. Common dislikes include the high cost of maintenance and potential for expensive repairs. Other engine options available for the 2010 SL included the SL550 with a 5.5L V8 and the SL63 AMG with a 6.2L V8.

Engine

5.5L Twin-Turbo V12

• Oil Leaks
  • Description/Symptoms: Oil leaks can occur from various locations, including the valve cover gaskets, oil pan gasket, and turbocharger oil lines. Symptoms include visible oil drips, burning oil smell, and low oil level.
  • Solution: Replacing the leaking gaskets or seals.
  • Estimated Cost to Fix: $200 - $1500+ depending on the location of the leak.
  • Recalls: None Found
• Ignition Coil Failure
  • Description/Symptoms: Misfires, rough idle, and check engine light illumination. Diagnosis with a scan tool will reveal a misfire code related to a specific cylinder.
  • Solution: Replacement of the faulty ignition coil.
  • Estimated Cost to Fix: $150 - $400+ per coil.
  • Recalls: None Found

Transmission

5-Speed Automatic

• Torque Converter Failure
  • Description/Symptoms: Shuddering during acceleration, especially at lower speeds. Can also cause stalling.
  • Solution: Replacement of the torque converter.
  • Estimated Cost to Fix: $1,500 - $3,500+
  • Recalls: None Found
• Valve Body Issues
  • Description/Symptoms: Harsh or erratic shifting, delayed engagement, and slipping between gears.
  • Solution: Replacing or rebuilding the valve body.
  • Estimated Cost to Fix: $1,000 - $2,500+
  • Recalls: None Found

Suspension

• ABC (Active Body Control) System Leaks/Failure
  • Description/Symptoms: The ABC system is prone to leaks in the hydraulic lines, struts, and pump. This can lead to a loss of ride height, uneven suspension, and warning lights on the dashboard.
  • Solution: Replacing leaking lines, struts, or the pump. Often requires specialized tools and expertise.
  • Estimated Cost to Fix: $500 - $3,000+ per component, depending on what needs replacement.
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: The SL600 can suffer from excessive battery drain, especially if the car is not driven frequently. This can be caused by various factors, including faulty modules, aftermarket accessories, or a failing voltage regulator.
  • Solution: Diagnosing the source of the drain and replacing the faulty component.
  • Estimated Cost to Fix: $100 - $1,000+ depending on the source of the drain.
  • Recalls: None Found
• SAM (Signal Acquisition Module) Failure
  • Description/Symptoms: The SAM controls various electrical functions, and its failure can lead to problems with lighting, wipers, door locks, and other systems.
  • Solution: Replacing the faulty SAM unit. Requires programming.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found

Exterior

• Convertible Top Issues
  • Description/Symptoms: The convertible top mechanism can experience hydraulic leaks, sensor failures, and motor problems, leading to difficulty opening or closing the top.
  • Solution: Repair or replacement of the affected hydraulic components, sensors, or motors.
  • Estimated Cost to Fix: $500 - $4,000+ depending on the complexity of the repair.
  • Recalls: None Found

Interior

• COMAND System Malfunctions
  • Description/Symptoms: The COMAND system (Mercedes-Benz’s infotainment system) can experience issues such as screen failures, software glitches, and navigation problems.
  • Solution: Software updates, component replacement, or COMAND unit replacement.
  • Estimated Cost to Fix: $200 - $2,000+ depending on the issue.
  • Recalls: None Found

Summary:

The 2010 Mercedes-Benz SL600, while a luxurious and powerful vehicle, can be prone to a number of potentially expensive issues. The ABC suspension system and convertible top mechanisms are common sources of problems. Electrical issues relating to battery drain and SAM module failures are also not uncommon. Engine and transmission issues can also be pricey, especially on the V12 models. Owners should be prepared for higher maintenance costs.