2019 Mercedes-Benz GLS550
Introduction
The 2019 Mercedes-Benz GLS550 is a full-size luxury SUV known for its spacious cabin, advanced technology, and powerful performance. It features a 4.0L V8 biturbo engine that generates 449 horsepower and 516 lb-ft of torque, paired with a 9-speed automatic transmission. Other engine and transmission options are not available. The GLS550 has received positive feedback for its comfort, amenities, and handling but has also faced criticism for its high price and repair costs.
Engine
4.0L V8 Biturbo
- Intake Valve Failure: Intake valves can become worn or damaged, leading to loss of engine power and increased emissions. Solution involves replacing the faulty valves. Estimated Cost to Fix: $2,500 - $4,000+
- Thermostat Failure: The thermostat may malfunction, causing the engine to overheat or undercool. Replacement of the thermostat is necessary. Estimated Cost to Fix: $400 - $600
- Oil Leak: A leak can develop from the oil filter housing or oil pan. Replacing the gaskets and sealing the leak is the fix. Estimated Cost to Fix: $500 - $800
Transmission
9-Speed Automatic
- Shift Issues: The transmission may experience difficulty shifting gears or slipping out of gear. A software update or replacement of the transmission solenoids may solve the issue. Estimated Cost to Fix: $1,000 - $2,500+
- Transmission Fluid Leak: A leak can occur from the transmission pan or seals. Replacing the faulty seal and adding transmission fluid is the solution. Estimated Cost to Fix: $300 - $500
- Mechatronic Unit Failure: The mechatronic unit, which controls the transmission, can fail. Replacement of the unit is needed. Estimated Cost to Fix: $4,000 - $6,000+
Suspension
- Air Suspension Failure: The air suspension system can fail, leading to a loss of ride height or a rough ride. Replacing the air struts or compressor may be required. Estimated Cost to Fix: $2,000 - $4,000+
- Control Arm Bushing Wear: The control arm bushings can wear out, causing a knocking or clunking noise when driving. Replacing the bushings is the fix. Estimated Cost to Fix: $400 - $600 per wheel
Electrical
- Battery Drain: The battery may drain prematurely due to a faulty electrical component or parasitic drain. Identifying and replacing the faulty component is the solution. Estimated Cost to Fix: $500 - $1,500+
- Blind Spot Monitoring Malfunction: The blind spot monitoring system may fail to detect vehicles in blind spots. Software updates or camera replacement may resolve the issue. Estimated Cost to Fix: $300 - $700
- Navigation System Issues: The navigation system may experience occasional glitches or malfunctions. Software updates or replacement of the navigation unit may be necessary. Estimated Cost to Fix: $500 - $1,200+
Exterior
- Sunroof Leak: A leak can develop around the sunroof, causing water to enter the cabin. Replacing the sunroof seal is the fix. Estimated Cost to Fix: $400 - $600
Interior
- Center Console Trim Issue: The trim on the center console may become loose or damaged. Replacing the trim piece is the fix. Estimated Cost to Fix: $200 - $400
- Climate Control Issues: The climate control system may malfunction, resulting in inconsistent temperature or air distribution. Software updates or replacement of the climate control module may solve the issue. Estimated Cost to Fix: $500 - $1,000+
Recalls
- NHTSA Campaign Number: 20V224000 - Brake Software Error (Fix: Software Update)
- NHTSA Campaign Number: 21V105000 - Fuel Pump Failure (Fix: Fuel Pump Replacement)
Summary
The 2019 Mercedes-Benz GLS550 is a luxurious and well-equipped SUV, but it is not immune to potential issues. The engine and transmission components have the most reported problems, with intake valve failure and shift issues being among the most significant and costly to repair. Other issues like suspension failure and electrical glitches can also be encountered, but they seem to be less common. Overall, the severity and cost of repairs for this vehicle can be substantial, which should be considered before purchasing or owning one.