2022 Mercedes-Benz Maybach GLS600

The 2022 Mercedes-Benz Maybach GLS600 represents the pinnacle of luxury SUVs, combining opulent features with impressive performance. Powered by a 4.0-liter twin-turbocharged V8 engine paired with a 48-volt mild-hybrid system, it produces 550 horsepower and 538 lb-ft of torque. While owners appreciate its exquisite interior, smooth ride, and advanced technology, some have reported encountering specific issues that detract from the overall experience. There is only one engine option and one transmission option, so no subcategories are needed.

Engine

4.0L Twin-Turbo V8 (M177)

• Check Engine Light due to Faulty Oxygen Sensor
  • Description/Symptoms: The check engine light illuminates, and diagnostic codes point to a malfunctioning oxygen sensor. Symptoms may include slightly reduced fuel economy.
  • Solution: Replace the faulty oxygen sensor.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found
• Minor Oil Leaks from Valve Cover Gaskets
  • Description/Symptoms: Small oil seepage observed around the valve cover gaskets. The leak is typically minor and doesn’t immediately affect engine performance, but can worsen over time.
  • Solution: Replace the valve cover gaskets.
  • Estimated Cost to Fix: $500 - $1000+
  • Recalls: None Found

Transmission

9G-TRONIC 9-Speed Automatic (725.0)

• Rough or Delayed Shifting
  • Description/Symptoms: Some owners have reported occasional rough or delayed shifts, particularly when the transmission is cold. This can manifest as a noticeable jerk or hesitation during gear changes.
  • Solution: A software update of the transmission control module (TCM) may resolve the issue. In some cases, a transmission fluid flush or valve body replacement might be necessary.
  • Estimated Cost to Fix: $200 - $300 (Software Update), $500 - $1500+ (Valve Body Replacement)
  • Recalls: None Found
• Torque Converter Shudder at Low Speeds
  • Description/Symptoms: A shudder or vibration can be felt at low speeds (typically between 20-40 mph) due to torque converter clutch slippage.
  • Solution: Transmission fluid flush with updated fluid specification. In severe cases, torque converter replacement.
  • Estimated Cost to Fix: $300 - $500 (Fluid Flush), $1500 - $3000+ (Torque Converter Replacement)
  • Recalls: None Found

Suspension

• Air Suspension Malfunctions
  • Description/Symptoms: Issues with the air suspension system, resulting in uneven ride height, failure to adjust, or warning lights on the dashboard. The car may sit too low or too high.
  • Solution: Diagnose and replace faulty components such as air struts, air compressor, or height sensors.
  • Estimated Cost to Fix: $1000 - $3000+ (per strut, depending on location), $800 - $1500+ (air compressor)
  • Recalls: None Found

Electrical

• MBUX System Freezing/Rebooting
  • Description/Symptoms: The Mercedes-Benz User Experience (MBUX) infotainment system can occasionally freeze, lag, or unexpectedly reboot. This affects navigation, audio, and other vehicle functions.
  • Solution: Software update of the MBUX system. If the problem persists, a hardware replacement may be required.
  • Estimated Cost to Fix: $0 (Software Update), $500 - $2000+ (Hardware Replacement)
  • Recalls: None Found
• Sensor failures in advanced driver-assistance systems
  • Description/Symptoms: Sensors for lane keeping assist, adaptive cruise control, and blind-spot monitoring may experience failure.
  • Solution: recalibration or replacement of faulty sensors.
  • Estimated Cost to Fix: $500 - $1000+
  • Recalls: None Found

Exterior

• Panoramic Sunroof Rattling/Squeaking
  • Description/Symptoms: Rattling or squeaking noises emanating from the panoramic sunroof area, especially when driving over uneven surfaces.
  • Solution: Tighten sunroof components, lubricate seals and hinges, or replace worn parts.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found
• Automatic Running Board Motor Failure
  • Description/Symptoms: The automatic running boards may fail to deploy or retract properly due to a motor failure.
  • Solution: Replace the faulty running board motor.
  • Estimated Cost to Fix: $800 - $1500+ per side
  • Recalls: None Found

Interior

• Malfunctioning Massaging Seats
  • Description/Symptoms: The massaging seat function may fail to operate correctly, with inconsistent or non-functional massage features.
  • Solution: Diagnose and repair or replace faulty seat motors or control modules.
  • Estimated Cost to Fix: $500 - $1500+
  • Recalls: None Found
• Inconsistent Operation of Power Sunshades
  • Description/Symptoms: Power sunshades in the rear of the vehicle may experience intermittent or complete failure to operate.
  • Solution: Diagnose and repair or replace faulty sunshade motor or control module.
  • Estimated Cost to Fix: $300 - $800+ per sunshade
  • Recalls: None Found

Summary

The 2022 Mercedes-Benz Maybach GLS600, while an exceptional vehicle, isn’t without its issues. The most common problems involve the electrical systems, specifically the MBUX infotainment system, along with suspension and interior comfort features. While engine and transmission issues are less frequent, they can still occur. The severity of these issues ranges from minor inconveniences to potentially costly repairs, particularly with the air suspension and complex electronic components. Prospective buyers should be aware of these potential problems and thoroughly inspect the vehicle before purchase.