2019 Mercedes-Benz GLS500

Introduction The 2019 Mercedes-Benz GLS500 is a luxurious full-size SUV that offers a powerful V8 engine and a comfortable interior. It is available with a 9-speed automatic transmission and all-wheel drive. The GLS500 boasts 449 horsepower and 516 lb-ft of torque, making it capable of towing up to 7,500 pounds. The interior is spacious and well-equipped, with features such as leather seats, a sunroof, and a premium sound system. However, there have been some issues reported with the GLS500, ranging from minor annoyances to more serious problems.

Engine

• M278 V8
  • Valve Stem Seals Failure
    • Description/Symptoms: Excessive oil consumption, blue smoke from the exhaust, and a rough idle
    • Solution: Replacement of the valve stem seals
    • Estimated Cost to Fix: $2,500 - $4,000+
    • Recalls: None Found
  • Timing Chain Failure
    • Description/Symptoms: Rattling noises from the engine, decreased power, and difficulty starting
    • Solution: Replacement of the timing chain
    • Estimated Cost to Fix: $5,000 - $8,000+
    • Recalls: None Found

Transmission

• 9G-TRONIC 9-Speed Automatic
  • Gear Slipping
    • Description/Symptoms: Difficulty shifting gears, delayed acceleration, and a shuddering sensation
    • Solution: Updating the transmission software or replacing the transmission fluid
    • Estimated Cost to Fix: $1,000 - $2,500+
    • Recalls: MBZ-22-04/05

Suspension

• No Issues Found

Electrical

• Battery Drain
  • Description/Symptoms: Battery discharge when the vehicle is parked
  • Solution: Identifying and fixing the source of the drain, such as faulty modules or accessories
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found
• Infotainment System Malfunction
  • Description/Symptoms: Freezing, crashing, or unresponsive infotainment system
  • Solution: Updating the software or replacing the infotainment unit
  • Estimated Cost to Fix: $500 - $2,000+
  • Recalls: None Found

Exterior

• Sunroof Leak
  • Description/Symptoms: Water leaking into the cabin from the sunroof
  • Solution: Replacing the sunroof seal or repairing the drain tubes
  • Estimated Cost to Fix: $500 - $1,200+
  • Recalls: None Found

Interior

• Climate Control Failure
  • Description/Symptoms: Malfunctioning AC or heater, uneven temperature distribution
  • Solution: Replacing the climate control module or repairing the actuators
  • Estimated Cost to Fix: $1,000 - $2,500+
  • Recalls: None Found
• Seat Adjustment Malfunction
  • Description/Symptoms: Inability to adjust the seats electrically
  • Solution: Replacing the seat control module or repairing the wiring harness
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found

Summary Overall, the 2019 Mercedes-Benz GLS500 is a reliable vehicle, but it has experienced some issues, particularly with the engine and transmission. While many of the reported problems are minor, some of them, such as valve stem seal and timing chain failures, can be costly to repair. Owners should be aware of these potential issues and factor them into their decision-making process.