2007 Mercedes-Benz S600

The 2007 Mercedes-Benz S600 is a luxury sedan known for its powerful V12 engine, opulent interior, and advanced technology. Besides the S600, the 2007 S-Class also offered various other engines including V8 options. The S600 boasts a 5.5L twin-turbocharged V12 engine producing 510 horsepower and 612 lb-ft of torque. Owners often praise its smooth ride, powerful acceleration, and luxurious features. Common criticisms include high maintenance costs, complex electronics, and potential for expensive repairs.

Engine

5.5L Twin-Turbocharged V12 (M275)

• Ignition Coil Failure
  • Description/Symptoms: Misfires, rough idling, check engine light. Often affects multiple cylinders due to the coil-on-plug design.
  • Solution: Replace faulty ignition coil(s).
  • Estimated Cost to Fix: $200 - $400+ per coil, depending on labor and parts source.
  • Recalls: None Found
• ABC (Active Body Control) System Issues
  • Description/Symptoms: The ABC pump is known to fail. Ride height dropping, ABC warning light, stiff ride.
  • Solution: Replace the ABC pump and/or related components.
  • Estimated Cost to Fix: $1,500 - $3,000+ depending on parts and labor.
  • Recalls: None Found
• Turbocharger Failure
  • Description/Symptoms: Loss of power, whistling noises from the engine, excessive smoke.
  • Solution: Replace or rebuild the faulty turbocharger(s).
  • Estimated Cost to Fix: $3,000 - $6,000+ per turbocharger, depending on parts and labor.
  • Recalls: None Found
• Oil Leaks (Valve Cover Gaskets, Rear Main Seal)
  • Description/Symptoms: Visible oil leaks on the engine, burning oil smell, low oil level.
  • Solution: Replace the leaking gaskets or seals.
  • Estimated Cost to Fix: $500 - $1,500+ depending on the location and severity of the leak.
  • Recalls: None Found

Transmission

5-Speed Automatic (722.6)

• Torque Converter Issues
  • Description/Symptoms: Shuddering during gear changes, especially at lower speeds; slipping; delayed engagement.
  • Solution: Replace the torque converter.
  • Estimated Cost to Fix: $1,500 - $3,000+ depending on labor and parts.
  • Recalls: None Found
• Valve Body Problems
  • Description/Symptoms: Harsh or erratic shifting, failure to shift, limp mode.
  • Solution: Rebuild or replace the valve body.
  • Estimated Cost to Fix: $800 - $2,000+ depending on labor and parts.
  • Recalls: None Found

Suspension

• ABC (Active Body Control) System Leaks
  • Description/Symptoms: Ride height dropping, especially overnight; ABC warning lights; fluid leaks visible.
  • Solution: Replace leaking ABC hoses, struts, or valve blocks.
  • Estimated Cost to Fix: $500 - $2,500+ per component, depending on the specific part and labor.
  • Recalls: None Found
• ABC Strut Failure
  • Description/Symptoms: Ride height problems, clunking noises from the suspension, uneven tire wear.
  • Solution: Replace the faulty ABC strut.
  • Estimated Cost to Fix: $1,500 - $3,000+ per strut, depending on parts and labor.
  • Recalls: None Found

Electrical

• Electronic Trunk Closer Malfunctions
  • Description/Symptoms: Trunk fails to open or close properly, error messages on the dashboard.
  • Solution: Diagnose and repair the trunk closer mechanism, which may involve replacing the motor or control module.
  • Estimated Cost to Fix: $500 - $1,500+ depending on the specific issue and labor.
  • Recalls: None Found
• COMAND System Issues
  • Description/Symptoms: The COMAND system (navigation, radio, climate control interface) can experience software glitches, screen failures, or unresponsive buttons.
  • Solution: Software updates, component repair, or replacement of the COMAND unit.
  • Estimated Cost to Fix: $300 - $2,000+ depending on the severity and solution.
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Car battery frequently dies, especially when left unattended for extended periods.
  • Solution: Diagnose and repair the parasitic drain, which could be caused by a faulty module or electrical component.
  • Estimated Cost to Fix: $200 - $1,000+ depending on the source of the drain.
  • Recalls: None Found

Exterior

• Rust (Specific Areas)
  • Description/Symptoms: Rust formation around the wheel wells, door seams, and underbody. This is more prevalent in regions with harsh winter conditions or exposure to road salt.
  • Solution: Rust repair, including removal of rust, body work, and repainting.
  • Estimated Cost to Fix: $500 - $3,000+ depending on the extent of the rust damage.
  • Recalls: None Found

Interior

• Sunroof Malfunctions
  • Description/Symptoms: The sunroof may fail to open or close properly, or it may become stuck.
  • Solution: Repair or replace the sunroof motor, tracks, or other components.
  • Estimated Cost to Fix: $300 - $1,500+ depending on the specific issue.
  • Recalls: None Found

Summary

The 2007 Mercedes-Benz S600, while luxurious and powerful, can present owners with a range of issues. The most significant and costly problems often revolve around the engine’s ignition coils, ABC suspension, and turbochargers. Transmission issues can also be expensive. Electrical problems, such as the COMAND system and battery drain, are common and require careful diagnosis. While some issues are minor and relatively inexpensive to fix, others can lead to substantial repair bills. Potential buyers should be aware of these common problems and factor in potential maintenance costs when considering purchasing this vehicle. Due to the complexity of the systems, it is recommended that repairs are done at a certified shop with experience working on Mercedes-Benz vehicles.