2017 Mercedes-Benz GLS450

Introduction:

The 2017 Mercedes-Benz GLS450 is a luxurious and capable SUV powered by a robust 3.0L V6 biturbo engine that delivers an impressive 362 horsepower and 369 lb-ft of torque. It features a refined and well-appointed interior, with a spacious rear seating area and ample cargo capacity. Other engine and transmission options available for the GLS450 include the GLS550 with a 4.7L V8 biturbo engine and the GLS63 AMG with a 5.5L V8 biturbo engine.

Drivers appreciate the GLS450’s smooth and powerful performance, opulent interior, and advanced safety features. However, there have been several reported issues with the vehicle.

Engine

3.0L V6 Biturbo

• Engine Misfire:
  • Description/Symptoms: Intermittent engine misfires, rough idle, and loss of power.
  • Solution: Replace spark plugs, ignition coils, or engine control module.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found
• Turbocharger Failure:
  • Description/Symptoms: Reduced engine power, excessive smoke, and whistling or whining noises.
  • Solution: Replace turbocharger or repair internal components.
  • Estimated Cost to Fix: $2,000 - $5,000+
  • Recalls: None Found

Transmission

9-Speed Automatic

• Jerky Shifting:
  • Description/Symptoms: Rough or erratic gear changes, especially during low-speed maneuvers.
  • Solution: Update transmission software or replace transmission control module.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found
• Transmission Slipping:
  • Description/Symptoms: Loss of power or hesitation during acceleration, RPMs climbing without increasing speed.
  • Solution: Replace transmission or transmission components.
  • Estimated Cost to Fix: $3,000 - $5,000+
  • Recalls: None Found

Suspension

• Air Suspension Compressor Failure:
  • Description/Symptoms: Reduced ride height, vehicle sitting unevenly, or no suspension adjustment.
  • Solution: Replace air suspension compressor.
  • Estimated Cost to Fix: $1,000 - $2,000+
  • Recalls: MBZ-2017070002

Electrical

• Battery Drain:
  • Description/Symptoms: Rapid battery discharge, difficulty starting the vehicle.
  • Solution: Check for parasitic drain, replace battery or alternator.
  • Estimated Cost to Fix: $200 - $1,000+
  • Recalls: None Found
• Electrical Glitches:
  • Description/Symptoms: Malfunctioning electronics, such as infotainment system, climate control, or power windows.
  • Solution: Update software, replace faulty components.
  • Estimated Cost to Fix: $200 - $1,000+
  • Recalls: None Found

Exterior

• Headlight Condensation:
  • Description/Symptoms: Moisture buildup inside the headlight assembly.
  • Solution: Seal headlight assembly or replace headlight unit.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: MBZ-2018080001

Interior

• Panoramic Sunroof Rattle:
  • Description/Symptoms: Noises or vibrations coming from the panoramic sunroof.
  • Solution: Adjust sunroof mechanism or tighten bolts.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found
• Interior Trim Panel Creaks:
  • Description/Symptoms: Squeaking or rattling noises coming from interior trim panels.
  • Solution: Tighten or replace trim panels.
  • Estimated Cost to Fix: $100 - $300+
  • Recalls: None Found

Summary:

The 2017 Mercedes-Benz GLS450 has several notable issues, particularly with the engine and transmission. While some issues are relatively minor and inexpensive to fix, others can be costly and inconvenient. It is important for potential owners to be aware of these issues before making a purchase decision. Overall, the GLS450 offers a luxurious and capable driving experience, but it is essential to carefully consider the potential costs associated with its reported problems.