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2022 Mercedes-Benz GLS580

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By Research the Car 5 min read

The 2022 Mercedes-Benz GLS580 is a luxurious SUV that offers a blend of comfort, performance, and technology. The GLS line also included the GLS450 with a 3.0L inline-6 turbo engine, and the high-performance AMG GLS63 with a 4.0L V8 biturbo engine. The GLS580 is powered by a 4.0L V8 biturbo engine producing 483 horsepower and 516 lb-ft of torque. All GLS models are equipped with a 9G-TRONIC 9-speed automatic transmission. Owners often praise the GLS for its spacious interior, smooth ride, and advanced features, but some have reported issues with the vehicle’s technology, suspension, and certain engine components.

Engine

4.0L V8 Biturbo (M177)

  • Malfunctioning Auxiliary Coolant Pump
    • Description/Symptoms: Check engine light comes on, engine overheating, reduced engine performance, and diagnostic trouble codes (DTCs) indicating an issue with the auxiliary coolant pump circuit.
    • Solution: Replacement of the auxiliary coolant pump and verification of electrical connections.
    • Estimated Cost to Fix: $500 - $900+
    • Recalls: None Found
  • Oil Leaks from Turbocharger Oil Lines
    • Description/Symptoms: Burning oil smell, visible oil leaks around the turbochargers, and potential for oil consumption.
    • Solution: Replacement of the turbocharger oil feed and return lines, along with associated gaskets and seals.
    • Estimated Cost to Fix: $800 - $1,500+
    • Recalls: None Found
  • Faulty Mass Air Flow (MAF) Sensor
    • Description/Symptoms: Check engine light, rough idling, poor acceleration, reduced fuel economy, and diagnostic trouble codes related to the MAF sensor.
    • Solution: Replacement of the MAF sensor.
    • Estimated Cost to Fix: $250 - $450+
    • Recalls: None Found

Transmission

9G-TRONIC 9-Speed Automatic (9G-Tronic 725.0)

  • Harsh Shifting/Hesitation
    • Description/Symptoms: Noticeable rough shifts between gears, delays in shifting, particularly when cold, or during acceleration.
    • Solution: Software update of the transmission control module (TCM). If the issue persists, valve body replacement may be necessary.
    • Estimated Cost to Fix: Software update: $200 - $400; Valve body replacement: $1,500 - $3,000+
    • Recalls: None Found
  • Transmission Slipping
    • Description/Symptoms: Engine revving without corresponding acceleration, feeling of the transmission “slipping” out of gear, and potential for transmission fault codes.
    • Solution: Diagnosis to identify the cause of the slipping (e.g., low fluid level, worn clutch packs, valve body issues). May require transmission rebuild or replacement.
    • Estimated Cost to Fix: $4,000 - $8,000+ (depending on the extent of damage)
    • Recalls: None Found

Suspension

  • AIRMATIC Suspension Issues (Specifically Compressor and Struts)
    • Description/Symptoms: Vehicle sagging on one or more corners, “Suspension Malfunction” warning light, noisy air compressor, uneven ride height, and failure to adjust ride height settings.
    • Solution: Replacement of the faulty air strut(s) or air compressor. Diagnosis of leaks in the air lines.
    • Estimated Cost to Fix: Air strut replacement: $1,200 - $2,500+ per strut; Air compressor replacement: $800 - $1,800+
    • Recalls: None Found
  • Noises from Suspension Components
    • Description/Symptoms: Clunking, rattling, or squeaking noises coming from the suspension, particularly when going over bumps.
    • Solution: Inspection of suspension components (e.g., control arms, ball joints, bushings) and replacement of worn or damaged parts.
    • Estimated Cost to Fix: Varies depending on the component, but typically $300 - $1,000+ per repair.
    • Recalls: None Found

Electrical

  • MBUX System Freezing/Crashing
    • Description/Symptoms: The Mercedes-Benz User Experience (MBUX) infotainment system freezes, becomes unresponsive, or crashes unexpectedly.
    • Solution: Software updates for the MBUX system. In some cases, replacement of the MBUX control unit may be required.
    • Estimated Cost to Fix: Software update: $150 - $300; MBUX control unit replacement: $1,500 - $3,000+
    • Recalls: None Found
  • Sensor Malfunctions (e.g., Parking Sensors, Blind Spot Monitoring)
    • Description/Symptoms: Erroneous readings from sensors, failure of the system to activate, or warning lights on the dashboard.
    • Solution: Diagnosis of the faulty sensor(s) and replacement.
    • Estimated Cost to Fix: $300 - $800+ per sensor.
    • Recalls: None Found
  • Battery Drain Issues
    • Description/Symptoms: Dead battery, difficulty starting the vehicle, and frequent need for jump-starts.
    • Solution: Inspection of the charging system, parasitic drain testing, and replacement of the battery if necessary.
    • Estimated Cost to Fix: Battery replacement: $300 - $600+; Parasitic drain diagnosis and repair: $200 - $500+
    • Recalls: None Found

Exterior

  • Malfunctioning Power Running Boards
    • Description/Symptoms: Running boards fail to deploy or retract properly, make unusual noises, or get stuck in one position.
    • Solution: Lubrication of joints, replacement of the motor or control module.
    • Estimated Cost to Fix: $500 - $1,500+
    • Recalls: None Found
  • Issues With Power Tailgate
    • Description/Symptoms: Tailgate failing to open/close, getting stuck, or needing manual help
    • Solution: Adjustment of tailgate latch, replacement of the motor or control module.
    • Estimated Cost to Fix: $400 - $1,200+
    • Recalls: None Found

Interior

  • Sunroof Issues (Sticking/Noisy Operation)
    • Description/Symptoms: Sunroof getting stuck during opening or closing, making excessive noise, or failing to seal properly.
    • Solution: Lubrication of the sunroof tracks and mechanism. In some cases, replacement of the sunroof motor or regulator may be required.
    • Estimated Cost to Fix: Lubrication/adjustment: $100 - $300; Motor/regulator replacement: $500 - $1,200+
    • Recalls: None Found
  • Seat Motor/Adjustment Problems
    • Description/Symptoms: Seat failing to adjust properly, getting stuck in one position, or making grinding noises during adjustment.
    • Solution: Diagnosis of the faulty seat motor(s) or switch(es) and replacement.
    • Estimated Cost to Fix: $400 - $1,000+ per seat.
    • Recalls: None Found

Summary

The 2022 Mercedes-Benz GLS580, while luxurious, can be prone to several issues. Engine problems like coolant pump failures and oil leaks, transmission issues involving harsh shifting and slipping, and suspension problems such as AIRMATIC system malfunctions appear to be relatively common. Electrical gremlins in the MBUX system and with various sensors can also be frustrating. Interior features like the sunroof and seats may also present operational problems. The severity of these issues ranges from minor inconveniences to potentially expensive repairs, with costs varying widely depending on the specific problem. Potential buyers should be aware of these potential pitfalls and thoroughly inspect any used GLS580 before purchase.

Mercedes-Benz, GLS580
Mercedes-Benz GLS580 2022
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