2024 Mercedes-Benz GLE450

The 2024 Mercedes-Benz GLE450 is a luxury SUV known for its comfortable ride, upscale interior, and advanced technology. It offers a smooth driving experience and a well-appointed cabin. Common praises include its spaciousness, luxurious features, and the advanced MBUX infotainment system. Criticisms often revolve around the high price point and some complex technology features that can be overwhelming to some users. The GLE450 is equipped with a 3.0-liter inline-6 turbocharged engine with mild hybrid drive producing 375 horsepower and 369 lb-ft of torque. Other engine options for the GLE include a 2.0-liter inline-4 turbocharged engine and a 4.0-liter V8 Biturbo engine. All engines are paired with a 9G-TRONIC 9-speed automatic transmission.

Engine

3.0-liter Inline-6 Turbocharged (M256)

• Engine Misfires
  • Description/Symptoms: Engine misfires can cause the engine to run roughly, especially during acceleration, and may trigger the check engine light. This can be caused by faulty ignition coils or spark plugs.
  • Solution: Replacing the faulty ignition coils or spark plugs.
  • Estimated Cost to Fix: $200 - $600+ depending on how many need to be replaced.
  • Recalls: None Found
• High-Pressure Fuel Pump Failure
  • Description/Symptoms: Difficulty starting, rough idling, loss of power, and the check engine light illuminating.
  • Solution: Replacement of the high-pressure fuel pump.
  • Estimated Cost to Fix: $1200 - $2000+
  • Recalls: None Found

Transmission

9G-TRONIC 9-Speed Automatic (725.0)

• Rough Shifting
  • Description/Symptoms: Hesitation or jerkiness during gear changes, particularly between lower gears. This can sometimes be attributed to the transmission control unit (TCU) needing a software update or adaptive learning reset.
  • Solution: Performing a transmission software update, resetting the TCU’s adaptive learning, or, in more severe cases, replacing the valve body.
  • Estimated Cost to Fix: $150 - $300 for software updates; $800-$2000+ for valve body replacement.
  • Recalls: None Found
• Delayed Engagement
  • Description/Symptoms: A noticeable delay between shifting into drive or reverse and the vehicle actually moving. This can indicate issues with the transmission’s internal clutches or valve body.
  • Solution: Diagnostics to determine the cause; potential repair or replacement of the valve body, clutch packs, or the entire transmission.
  • Estimated Cost to Fix: $1000 - $5000+ depending on the severity and required repairs.
  • Recalls: None Found

Suspension

• Air Suspension Problems (If Equipped)
  • Description/Symptoms: The vehicle may sag on one side, fail to maintain ride height, or display warning messages related to the air suspension system. These issues can stem from leaks in the air struts, a malfunctioning air compressor, or a faulty ride height sensor.
  • Solution: Identifying and repairing leaks in the air struts, replacing the air compressor, or replacing ride height sensors.
  • Estimated Cost to Fix: $800 - $2500+ per strut, $800 - $1500+ for the air compressor, $300 - $600+ for ride height sensors.
  • Recalls: None Found

Electrical

• MBUX Infotainment System Glitches
  • Description/Symptoms: The MBUX system may freeze, reboot unexpectedly, or experience software glitches affecting navigation, audio, or other connected services.
  • Solution: Performing a software update or, in some cases, replacing the MBUX unit.
  • Estimated Cost to Fix: $0 for software updates (if under warranty); $1000 - $3000+ for MBUX unit replacement.
  • Recalls: None Found
• Sensor Malfunctions (Parking Sensors, Blind Spot Monitoring, etc.)
  • Description/Symptoms: Erroneous warnings or failures in the operation of parking sensors, blind spot monitoring, or other driver-assistance systems.
  • Solution: Replacing the faulty sensor.
  • Estimated Cost to Fix: $200 - $800+ per sensor depending on location and type.
  • Recalls: None Found
• Battery Drain Issues
  • Description/Symptoms: The vehicle’s battery drains quickly, especially when the car is parked for an extended period, making it difficult to start. This can be caused by a parasitic draw from an electrical component or a failing battery.
  • Solution: Diagnostics to identify the source of the parasitic draw, repairing the faulty component, or replacing the battery.
  • Estimated Cost to Fix: $150 - $400 for diagnostics; $200 - $500+ for battery replacement; component repair costs vary.
  • Recalls: None Found

Exterior

• Panoramic Sunroof Issues
  • Description/Symptoms: The panoramic sunroof may squeak, rattle, or fail to open or close properly. This could be due to a faulty motor, damaged tracks, or misaligned components.
  • Solution: Lubricating the tracks, realigning the components, or replacing the motor or sunroof assembly.
  • Estimated Cost to Fix: $100 - $500 for lubrication and realignment; $500 - $2000+ for motor or assembly replacement.
  • Recalls: None Found

Interior

• MBUX Touchpad Issues
  • Description/Symptoms: The touchpad controller for the MBUX system may become unresponsive or experience intermittent functionality.
  • Solution: Replacement of the touchpad.
  • Estimated Cost to Fix: $400 - $1000+
  • Recalls: None Found

Summary

The 2024 Mercedes-Benz GLE450 generally experiences issues that are typical of modern luxury vehicles with complex systems. Common issues include MBUX infotainment glitches, potential problems with the air suspension (if equipped), and some transmission performance concerns, high pressure fuel pump failure, and engine misfires. While some issues, like MBUX glitches, can be minor and resolved with software updates, others such as air suspension or transmission repairs can be costly. The severity of these issues varies, but addressing them promptly is crucial to maintaining the vehicle’s performance and reliability.