2021 Mercedes-Benz GLE450

Introduction: The 2021 Mercedes-Benz GLE450 is a luxury SUV that offers a refined driving experience. It is powered by a turbocharged 3.0-liter inline-6 engine that produces 362 horsepower and 369 lb-ft of torque, paired with a 9-speed automatic transmission. The GLE450 is praised for its comfortable ride, spacious cabin, and advanced technology features. However, it is also known to have several issues that have been reported by owners.

Engine

• M256 3.0L Inline-6 Engine
  • Intake Manifold Shutter Malfunction
    • Description/Symptoms: Engine stalls or refuses to start due to a faulty intake manifold shutter that restricts airflow
    • Solution: Replacement of intake manifold
    • Estimated Cost to Fix: $2,000 - $3,000+
    • Recalls: None Found
  • Turbocharger Coolant Leak
    • Description/Symptoms: Coolant leak around the turbocharger due to a faulty gasket or seal
    • Solution: Replacement of turbocharger or coolant lines
    • Estimated Cost to Fix: $1,500 - $2,500+
    • Recalls: None Found

Transmission

• 9G-TRONIC 9-Speed Automatic
  • Delayed Gear Shifts
    • Description/Symptoms: Transmission hesitates or delays shifting, causing rough or jerky acceleration
    • Solution: Software update or replacement of transmission parts
    • Estimated Cost to Fix: $1,000 - $2,000+
    • Recalls: None Found
  • Shift Solenoid Malfunction
    • Description/Symptoms: Transmission will not shift properly or may get stuck in one gear
    • Solution: Replacement of shift solenoid
    • Estimated Cost to Fix: $500 - $1,500+
    • Recalls: None Found

Suspension

• AIRMATIC Air Suspension
  • Air Spring Leak
    • Description/Symptoms: Air suspension lowers on one corner of the vehicle due to a leak in the air spring
    • Solution: Replacement of air spring
    • Estimated Cost to Fix: $1,200 - $2,000+ per corner
    • Recalls: None Found

Electrical

• Battery Drain * Description/Symptoms: Battery drains excessively when the vehicle is not in use * Solution: Testing and replacement of faulty electrical components * Estimated Cost to Fix: $500 - $1,500+ * Recalls: None Found
• Infotainment System Glitch * Description/Symptoms: Infotainment system freezes, reboots, or displays errors * Solution: Software update or replacement of system components * Estimated Cost to Fix: $500 - $1,000+ * Recalls: None Found

Exterior

• Panoramic Sunroof Leak * Description/Symptoms: Water leaks into the cabin from the panoramic sunroof during heavy rain * Solution: Adjustment or replacement of sunroof seal * Estimated Cost to Fix: $500 - $1,000+ * Recalls: None Found

Interior

• Rear Seat Climate Control Malfunction * Description/Symptoms: Rear seat climate control does not function properly or blows warm air * Solution: Replacement of climate control module or evaporator * Estimated Cost to Fix: $500 - $1,500+ * Recalls: None Found
• Center Console Creaks and Rattles * Description/Symptoms: Creaking or rattling noises from the center console area * Solution: Tightening or replacement of loose components * Estimated Cost to Fix: $50 - $300+ * Recalls: None Found

Summary: The 2021 Mercedes-Benz GLE450 is a well-equipped and comfortable SUV, but it has been plagued by several issues that can affect its reliability and driving experience. Some of these issues, such as turbocharger leaks, transmission problems, and suspension issues, can be costly to fix and may require multiple visits to the dealership. However, other issues, such as interior creaks and rattles, are less severe and can be addressed with relatively simple fixes.