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2020 Bentley Mulsanne

2020 Bentley Mulsanne

Overview

The 2020 Bentley Mulsanne represents the pinnacle of luxury and performance, offering a bespoke driving experience. As a flagship model, its engineering is robust, focusing on high-quality materials and meticulous craftsmanship. While the Mulsanne is built to exacting standards, like any complex luxury vehicle, certain areas may experience issues over time, particularly those related to its advanced systems and powerful powertrain. This analysis focuses on documented technical reliability concerns beyond routine maintenance, aiming to provide a clear picture of potential areas requiring attention for owners and enthusiasts.


Engine

6.75L Twin-Turbocharged V8

No Major Issues

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

Transmission

8-Speed ZF Automatic

No Major Issues

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

Suspension

Adaptive Air Suspension

Air Spring Leaks

  • Symptoms: Vehicle may sag on one corner, uneven ride height, warning lights on the dashboard.
  • Solution: Replacement of the faulty air spring or associated seals.
  • Cost: $800 - $1500 per corner

Compressor Failure

  • Symptoms: Inability to raise or lower the vehicle, constant running of the compressor, suspension warning lights.
  • Solution: Replacement of the air suspension compressor unit.
  • Cost: $1000 - $2000

Electrical

Infotainment System

Software Glitches

  • Symptoms: Screen freezing, unresponsiveness, navigation errors, Bluetooth connectivity issues.
  • Solution: Software updates or a full system reset. In rare cases, module replacement.
  • Cost: $200 - $1000

Advanced Driver Assistance Systems (ADAS)

Sensor Malfunctions

  • Symptoms: False warnings from adaptive cruise control, lane keeping assist, or parking sensors. System deactivation.
  • Solution: Cleaning, recalibration, or replacement of faulty sensors.
  • Cost: $300 - $1200

Exterior

Body Panels & Trim

No Major Issues

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

Interior

Leather Upholstery & Wood Trim

No Major Issues

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

Climate Control System

Actuator Malfunctions

  • Symptoms: Uneven temperature distribution, vents not responding to commands, unusual noises from the dashboard.
  • Solution: Replacement of faulty HVAC actuators.
  • Cost: $300 - $700

Summary Verdict

The 2020 Bentley Mulsanne is a highly reliable luxury sedan, reflecting its premium build quality and sophisticated engineering. The powertrain, consisting of the formidable 6.75L V8 engine and an 8-speed automatic transmission, demonstrates exceptional durability with no widespread reported issues. The primary areas where owners might encounter technical concerns are within the advanced adaptive air suspension system, which can develop leaks or compressor issues over time, and the complex electrical systems, including the infotainment and ADAS, which may experience occasional software glitches or sensor malfunctions. Interior components like climate control actuators can also require attention. Despite these potential, albeit infrequent, issues, the Mulsanne’s overall reliability remains very high, especially when subjected to regular, professional maintenance.

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