2017 Mercedes-Benz G550

The 2017 Mercedes-Benz G550 is a luxurious and iconic SUV known for its off-road capabilities and distinctive boxy design. Its powerful 4.0-liter twin-turbocharged V8 engine produces 416 horsepower and 450 lb-ft of torque, paired with a 7-speed automatic transmission. While owners appreciate its ruggedness, opulent interior, and strong road presence, some common dislikes include its high price tag, poor fuel economy, and cumbersome handling in tight spaces.

Engine

4.0L Twin-Turbocharged V8

• Turbocharger Failure
  • Description/Symptoms: Whining noise from the engine, loss of power, check engine light. Can lead to engine damage if not addressed.
  • Solution: Turbocharger replacement.
  • Estimated Cost to Fix: $3,000 - $5,000+
  • Recalls: None Found
• Oil Leaks
  • Description/Symptoms: Oil spots under the vehicle, burning oil smell, low oil level. Common leak locations include valve cover gaskets and oil pan gasket.
  • Solution: Replace the leaking gaskets.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found

Transmission

7-Speed Automatic (7G-Tronic)

• Rough Shifting
  • Description/Symptoms: Harsh or jerky shifts between gears, especially at lower speeds. Can be more pronounced when the transmission is cold.
  • Solution: Software update, transmission fluid flush, or valve body replacement.
  • Estimated Cost to Fix: $200 - $3,000+ depending on the cause and solution.
  • Recalls: None Found

Suspension

• Air Suspension Failure
  • Description/Symptoms: Vehicle sitting lower on one or more corners, ride height adjustment not functioning, air compressor running constantly or not at all, error message on the dashboard.
  • Solution: Replace the affected air spring(s), air compressor, or valve block.
  • Estimated Cost to Fix: $1,000 - $3,000+ per air spring; $500 - $1,500+ for the compressor.
  • Recalls: None Found

Electrical

• Malfunctioning Sensors
  • Description/Symptoms: Various warning lights on the dashboard (ABS, TPMS, etc.), incorrect readings from sensors, issues with driver-assist systems.
  • Solution: Diagnose the faulty sensor and replace it.
  • Estimated Cost to Fix: $200 - $800+ per sensor depending on the type and location.
  • Recalls: None Found
• COMAND System Issues
  • Description/Symptoms: Infotainment system freezing, glitching, or failing to start; navigation problems; Bluetooth connectivity issues.
  • Solution: Software update, COMAND unit replacement.
  • Estimated Cost to Fix: $300 - $2,000+
  • Recalls: None Found

Exterior

• Rust (Early Stages)
  • Description/Symptoms: Rust forming around the door hinges, around the door handles, and underneath the side mirrors.
  • Solution: Repair the affected area and repaint.
  • Estimated Cost to Fix: $300 - $1,000+ per panel depending on the severity.
  • Recalls: None Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof becoming stuck, making excessive noise when operating, or leaking water.
  • Solution: Repair or replace the sunroof motor, tracks, or seals.
  • Estimated Cost to Fix: $500 - $2,000+
  • Recalls: None Found

Summary

The 2017 Mercedes-Benz G550, while luxurious and capable, has potential issues that buyers should be aware of. Engine problems, particularly related to turbochargers and oil leaks, can be costly to repair. Air suspension issues are also a common concern. Electrical glitches and sunroof malfunctions add to the potential maintenance burden. The severity of these issues ranges from minor inconveniences to major mechanical failures, with repair costs varying accordingly. Pre-purchase inspections are highly recommended to identify any existing problems and negotiate accordingly.