2019 Mercedes-Benz G550

The 2019 Mercedes-Benz G550 is a luxury SUV known for its iconic boxy design, off-road capabilities, and powerful engine. The G550 is equipped with a 4.0-liter biturbo V8 engine producing 416 horsepower and 450 lb-ft of torque. It is paired with a 9G-TRONIC nine-speed automatic transmission. People admire the G550 for its unique styling, luxurious interior, and impressive performance both on and off the road. Common dislikes include its high price, limited fuel economy, and somewhat cumbersome handling in tight spaces.

Engine

4.0L Biturbo V8

• Turbocharger Failure
  • Description/Symptoms: Whining noise from the engine, loss of power, check engine light.
  • Solution: Replace the faulty turbocharger.
  • Estimated Cost to Fix: $4,000 - $6,000+
  • Recalls: None Found
• Oil Leaks
  • Description/Symptoms: Oil spots under the vehicle, burning oil smell, low oil level warning. Common leak areas include valve cover gaskets, oil filter housing, and turbocharger oil lines.
  • Solution: Replace the leaking gaskets or seals.
  • Estimated Cost to Fix: $200 - $1,500+ depending on the location of the leak.
  • Recalls: None Found

Transmission

9G-TRONIC Nine-Speed Automatic

• Harsh Shifting/Hesitation
  • Description/Symptoms: Jerky or abrupt shifts, particularly between lower gears. Hesitation when accelerating from a stop.
  • Solution: Software update, transmission fluid flush, or in some cases, replacement of valve body or torque converter.
  • Estimated Cost to Fix: $300 - $4,000+ depending on the required repair.
  • Recalls: None Found

Suspension

• Air Suspension Failure
  • Description/Symptoms: Vehicle sagging on one side, error messages on the dashboard related to the air suspension system, compressor running constantly.
  • Solution: Replace the faulty air spring, air compressor, or ride height sensor.
  • Estimated Cost to Fix: $1,000 - $3,000+
  • Recalls: None Found

Electrical

• Malfunctioning Sensors
  • Description/Symptoms: Warning lights on the dashboard (e.g., ABS, ESP), issues with driver-assistance systems, inaccurate readings from sensors (e.g., tire pressure, coolant temperature).
  • Solution: Diagnose the faulty sensor and replace it.
  • Estimated Cost to Fix: $200 - $800+ depending on the sensor.
  • Recalls: None Found
• COMAND System Issues
  • Description/Symptoms: Freezing, slow response times, Bluetooth connectivity problems, navigation errors.
  • Solution: Software update, replacement of the COMAND unit.
  • Estimated Cost to Fix: $300 - $2,000+
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof not opening or closing properly, excessive noise when operating, water leaks.
  • Solution: Repair or replace the sunroof motor, track, or seals.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found

Summary

The 2019 Mercedes-Benz G550 is a highly desirable vehicle, but it’s not without its potential problems. Engine issues like turbocharger failure and oil leaks can be expensive to fix, as can air suspension problems. Electrical glitches related to sensors and the COMAND system are also relatively common. While some repairs are relatively minor, others can be quite costly, making thorough pre-purchase inspection and awareness of potential issues essential.