2017 McLaren 675LT

Here’s a breakdown of common issues and complaints for the 2017 McLaren 675LT, categorized and formatted as requested. The 2017 McLaren 675LT, a track-focused iteration of the 650S, is celebrated for its exhilarating performance and driver engagement. This model came equipped with a 3.8-liter twin-turbocharged V8 engine, producing 666 bhp (675 PS) and 516 lb-ft of torque. A 7-speed dual-clutch transmission handles the power delivery. Owners often rave about the car’s razor-sharp handling, explosive acceleration, and stunning aesthetics. However, some common grievances include the complexity of the infotainment system, occasional electrical glitches, and the high cost of maintenance.

Engine

3.8L Twin-Turbo V8

• Oil Leaks
  • Description/Symptoms: Oil leaks are sometimes reported around the engine’s various seals and gaskets, most notably around the valve covers and turbocharger lines. This can result in visible oil drips, burning oil smell, and low oil levels.
  • Solution: Replacing the faulty gaskets and seals. Thorough inspection of turbocharger lines.
  • Estimated Cost to Fix: $500 - $3,000+ depending on the severity and location of the leak.
  • Recalls: None Found
• Turbocharger Issues
  • Description/Symptoms: The turbochargers are sensitive to proper maintenance and oil quality. Issues include wastegate failures, compressor wheel damage (due to foreign object debris), and oil leaks. Symptoms include reduced power, unusual turbo noises, and check engine lights.
  • Solution: Replacement or rebuilding of the affected turbocharger(s). Ensure proper maintenance.
  • Estimated Cost to Fix: $5,000 - $10,000+ per turbocharger.
  • Recalls: None Found

Transmission

7-Speed Dual-Clutch

• Clutch Wear
  • Description/Symptoms: Due to the high performance nature of the vehicle and the aggressive launch control features, clutch wear can be accelerated. Symptoms include slipping during gear changes, difficulty engaging gears, and unusual noises.
  • Solution: Replacement of the clutch assembly.
  • Estimated Cost to Fix: $7,000 - $12,000+
  • Recalls: None Found
• Hydraulic Pump Failure
  • Description/Symptoms: The hydraulic system that actuates the dual-clutch can experience pump failures. This can lead to difficulty shifting, transmission errors displayed on the dashboard, and potential immobilization of the vehicle.
  • Solution: Replacement of the hydraulic pump.
  • Estimated Cost to Fix: $3,000 - $6,000+
  • Recalls: None Found

Suspension

• Adaptive Damper Issues
  • Description/Symptoms: The adaptive suspension system, which uses hydraulic dampers, can experience failures, often due to leaks or sensor malfunctions. This can result in a harsh ride, uneven handling, and warning lights.
  • Solution: Replacement of the faulty damper(s) or sensors.
  • Estimated Cost to Fix: $2,000 - $5,000+ per damper, plus labor.
  • Recalls: None Found

Electrical

• Sensor Malfunctions
  • Description/Symptoms: Various sensors throughout the vehicle, including those related to the engine, transmission, and suspension, can fail. This can trigger warning lights and affect vehicle performance.
  • Solution: Diagnosis with a proper scan tool and replacement of the faulty sensor(s).
  • Estimated Cost to Fix: $200 - $1,000+ depending on the sensor and location.
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Some owners report issues with excessive battery drain, especially when the vehicle is left unattended for extended periods. This can be due to parasitic draws from various electrical components.
  • Solution: Identification and elimination of the parasitic draw. Battery replacement may also be necessary.
  • Estimated Cost to Fix: $100 - $500+ for diagnosis, $300+ for battery replacement.
  • Recalls: None Found

Exterior

• Headlight Condensation
  • Description/Symptoms: Condensation can accumulate inside the headlight housings. This can reduce visibility and potentially damage the internal components of the headlight.
  • Solution: Replacement or resealing of the headlight housings.
  • Estimated Cost to Fix: $1,000 - $3,000+ per headlight.
  • Recalls: None Found

Interior

• Infotainment System Freezing/Crashing
  • Description/Symptoms: The IRIS infotainment system can be prone to freezing, crashing, and exhibiting general unresponsiveness.
  • Solution: Software updates can sometimes resolve the issue, but hardware replacement may be necessary in severe cases.
  • Estimated Cost to Fix: $0 for software updates, $1,000 - $5,000+ for hardware replacement.
  • Recalls: None Found
• Air Conditioning Malfunctions
  • Description/Symptoms: Issues with the air conditioning system include failure to blow cold air, inconsistent cooling, and unusual noises from the compressor.
  • Solution: Diagnosis of the system and replacement of faulty components such as the compressor, condenser, or expansion valve.
  • Estimated Cost to Fix: $500 - $2,500+ depending on the component needing replacement.
  • Recalls: None Found

Summary

The 2017 McLaren 675LT, while a thrilling machine, can present owners with a range of issues, particularly relating to its complex engine, transmission, and electrical systems. While some issues are relatively minor and inexpensive to fix, others, such as turbocharger failures or clutch replacements, can be very costly. Potential buyers should be aware of these potential expenses and thoroughly inspect any prospective purchase, looking for signs of these common problems, or seek a pre-purchase inspection from a qualified McLaren technician.