2020 Mercedes-Benz GLS450
Introduction
The 2020 Mercedes-Benz GLS450 is a luxurious SUV that offers ample space and comfort for families. It comes with a standard 3.0L twin-turbocharged inline-6 engine, producing 362 horsepower and 369 lb-ft of torque, paired with a 9-speed automatic transmission. The GLS450 has received praise for its spacious and well-appointed interior, powerful engine, and smooth ride. However, some owners have reported various issues with their vehicles.
Engine
3.0L Twin-Turbocharged Inline-6 Engine
- Misfiring Engine
- Description/Symptoms: Rough idling, loss of power, engine check light
- Solution: Replace faulty spark plugs, ignition coils, or fuel injectors
- Estimated Cost to Fix: $500 - $1,000+
- Recalls: None Found
Transmission
9-Speed Automatic Transmission
- Shifting Problems
- Description/Symptoms: Jerky or delayed shifting, slipping gears
- Solution: Update transmission software or replace faulty solenoids
- Estimated Cost to Fix: $500 - $1,500+
- Recalls: None Found
Suspension
- Air Suspension Leakage
- Description/Symptoms: Air suspension compressor running excessively, abnormal riding height
- Solution: Replace faulty air suspension strut or compressor
- Estimated Cost to Fix: $1,000 - $2,500+
- Recalls: None Found
Electrical
- Battery Drain
- Description/Symptoms: Battery discharges quickly while parked, difficulty starting the vehicle
- Solution: Diagnose and repair faulty electrical components
- Estimated Cost to Fix: $500 - $1,500+
- Recalls: None Found
Exterior
- Sunroof Rattles
- Description/Symptoms: Noises coming from the sunroof area when driving uneven surfaces
- Solution: Adjust or replace sunroof tracks
- Estimated Cost to Fix: $500 - $1,000
- Recalls: None Found
Interior
- Dashboard Squeaks and Rattles
- Description/Symptoms: Noises coming from the dashboard area
- Solution: Secure loose trim pieces or lubricate contact points
- Estimated Cost to Fix: $200 - $500
- Recalls: None Found
Summary
While the 2020 Mercedes-Benz GLS450 offers a comfortable and sophisticated driving experience, it has experienced some issues, including misfiring engines, shifting problems, suspension leakage, electrical problems, and interior noises. The severity and cost of these issues vary, some being relatively minor while others can be more expensive to repair. It is important for potential owners to be aware of these issues before making a purchase decision.