2019 Mercedes-Benz GLS450
Introduction:
The 2019 Mercedes-Benz GLS450 is a luxurious and capable full-size SUV powered by a 3.0L twin-turbocharged V6 engine that produces 362 horsepower and 369 lb-ft of torque. It comes standard with a 9-speed automatic transmission and 4MATIC all-wheel drive. The GLS450 is known for its spacious and well-appointed interior, advanced technology, and impressive off-road capabilities. However, it is not without its share of issues.
Engine
- 3.0L Twin-Turbocharged V6
Issue: Fuel Injector Failure Description/Symptoms: Engine misfires, loss of power, rough idle Solution: Replace faulty fuel injectors Estimated Cost to Fix: $1,000 - $2,000+
Issue: Turbocharger Failure Description/Symptoms: Loss of power, excessive smoke from exhaust Solution: Replace faulty turbocharger Estimated Cost to Fix: $2,500 - $5,000+
Transmission
- 9-Speed Automatic
Issue: Transmission Slippage Description/Symptoms: Jerking or slipping during gear changes Solution: Replace faulty transmission components (e.g., clutches, solenoids) Estimated Cost to Fix: $2,000 - $4,000+
Issue: Mechatronic Unit Failure Description/Symptoms: Loss of power, inability to shift gears Solution: Replace faulty mechatronic unit Estimated Cost to Fix: $3,000 - $5,000+
Suspension
- Air Suspension
Issue: Air Spring Leak Description/Symptoms: Uneven ride height, loss of air pressure Solution: Replace faulty air springs Estimated Cost to Fix: $500 - $1,500+
Issue: Air Compressor Failure Description/Symptoms: Suspension lowers while driving, excessive noise Solution: Replace faulty air compressor Estimated Cost to Fix: $1,500 - $3,000+
Electrical
- Battery
Issue: Battery Discharge Description/Symptoms: Difficulty starting, loss of power Solution: Replace faulty battery Estimated Cost to Fix: $200 - $500+
Issue: Alternator Failure Description/Symptoms: Dim headlights, loss of electrical power Solution: Replace faulty alternator Estimated Cost to Fix: $600 - $1,200+
Exterior
- Body Panels
Issue: Rust Description/Symptoms: Corrosion on body panels, especially undercarriage Solution: Repair or replace rusted panels Estimated Cost to Fix: $500 - $2,000+
Interior
- Infotainment System
Issue: Touchscreen Malfunction Description/Symptoms: Unresponsive or glitchy touchscreen Solution: Software update or replacement of touchscreen Estimated Cost to Fix: $500 - $1,000+
- Leather Seat Stitching
Issue: Premature Wear Description/Symptoms: Stiching on leather seats comes loose prematurely Solution: Repair or replace damaged stitching Estimated Cost to Fix: $500 - $1,500+
Summary:
The 2019 Mercedes-Benz GLS450 is a capable and luxurious SUV, but it has been plagued by several issues, including fuel injector failure, turbocharger failure, transmission slippage, mechatronic unit failure, air spring leaks, and battery discharge. The severity and cost of these issues vary, but some can be quite expensive to repair.