2022 Mercedes-Benz GLS450

Introduction:

The 2022 Mercedes-Benz GLS450 is a luxury SUV that combines spaciousness, performance, and high-end appointments. It is powered by a 3.0-liter turbocharged inline-six engine that produces 362 horsepower and 369 lb-ft of torque, paired with a 9-speed automatic transmission. The GLS450 is praised for its comfortable and sophisticated interior, ample cargo space, and advanced safety features. However, some owners have reported issues with certain components.

Engine

3.0L Turbocharged Inline-Six

• Turbocharger failure: Loss of power, increased exhaust smoke, engine warning light. Replace turbocharger. $2,000 - $3,000+
• Fuel injector malfunction: Engine misfires, rough idle, difficulty starting. Replace fuel injectors. $500 - $1,000+
• Intake manifold gasket leak: Coolant leak, overheating. Replace intake manifold gasket. $500 - $1,000+

Transmission

9-Speed Automatic

• Transmission slip: Loss of power, difficulty shifting. Flush transmission fluid, replace transmission filter. $200 - $500+
• Torque converter shudder: Vibration during acceleration or gear changes. Replace torque converter. $1,500 - $2,500+
• Mechatronic unit failure: Transmission won’t shift, warning lights on dashboard. Replace mechatronic unit. $2,000 - $3,000+

Suspension

• Air suspension failure: Vehicle sags, rough ride. Replace air suspension components (e.g., air springs, compressor). $1,000 - $2,000+
• Strut mount bearing failure: Noise and vibration during turns. Replace strut mount bearings. $200 - $500+
• Sway bar link failure: Knocking or clunking noises, uneven tire wear. Replace sway bar links. $100 - $250+

Electrical

• Battery drain: Battery discharges quickly, difficulty starting. Replace battery, test charging system. $200 - $500+
• Electrical wiring harness damage: Electrical faults, warning lights. Repair or replace damaged wiring. $500 - $1,500+
• Alternator failure: Loss of electrical power, warning lights. Replace alternator. $500 - $1,000+

Exterior

• Headlight condensation: Moisture inside headlight assembly. No known solution.
• Door handle failure: Door handles stick or become loose. Replace door handles. $100 - $250+
• Trim pieces loosening: Exterior trim pieces become loose or rattle. Reattach trim pieces or replace if damaged. $50 - $200+

Interior

• Infotainment system glitches: Touchscreen freezes or becomes unresponsive. Software updates or hardware replacement. $200 - $1,000+
• Climate control malfunction: AC or heater not working properly. Diagnose and repair climate control components (e.g., compressor, evaporator). $500 - $1,500+
• Seat belt alarm stays on: Seat belt sensor malfunction. Replace seat belt sensor. $200 - $500+

Recall:

• NHTSA Recall Number: 22V-514: Rear seat belt may not latch properly

Summary:

The 2022 Mercedes-Benz GLS450 is a luxurious and capable SUV, but it is not without its problems. The most common issues reported by owners include turbocharger failure, transmission slip, suspension issues, and electrical faults. Some of these issues can be expensive to repair, but overall, the reliability of the GLS450 is considered to be average for its class.