2014 Bentley Mulsanne

Introduction The 2014 Bentley Mulsanne is a luxurious full-size sedan that offers an exquisite blend of comfort, performance, and sophistication. It is powered by a potent 6.75-liter twin-turbocharged V8 engine that generates 505 horsepower and 752 lb-ft of torque, paired with an 8-speed automatic transmission. The Mulsanne is known for its spacious and opulent cabin, featuring premium materials and advanced technology. While it is highly praised for its craftsmanship and driving experience, there have been some reported issues with the vehicle.

Engine

• 6.75-liter Twin-Turbocharged V8
  • Valve Stem Seal Failure
    • Description/Symptoms: Oil consumption increases significantly, leading to low oil levels and potential engine damage.
    • Solution: Replace valve stem seals.
    • Estimated Cost to Fix: $2,000 - $3,000+
    • Recalls: None
  • Timing Chain Tensioner Failure
    • Description/Symptoms: Engine rattling or knocking noises; reduced power; potential engine damage.
    • Solution: Replace timing chain tensioner and related components.
    • Estimated Cost to Fix: $1,500 - $2,500+
    • Recalls: None

Transmission

• 8-Speed Automatic Transmission
  • Mechatronic Unit Failure
    • Description/Symptoms: Transmission slipping, erratic gear shifting; loss of drive; warning lights on dash.
    • Solution: Replace mechatronic unit.
    • Estimated Cost to Fix: $5,000 - $7,000+
    • Recalls: None

Suspension

• Air Suspension Malfunction * Description/Symptoms: Vehicle may sag or ride unevenly; reduced handling and stability; warning lights on dash. * Solution: Inspect and repair or replace faulty air suspension components. * Estimated Cost to Fix: $1,000 - $2,000+ * Recalls: None

Electrical

• Battery Drain * Description/Symptoms: Battery discharges prematurely; difficulty starting the vehicle. * Solution: Diagnose and repair electrical system component causing excessive draw. * Estimated Cost to Fix: $200 - $1,000+ * Recalls: None
• Headlight Malfunction * Description/Symptoms: Headlights flicker, dim, or fail to operate. * Solution: Replace headlight bulbs or repair electrical wiring. * Estimated Cost to Fix: $200 - $500+ * Recalls: None

Exterior

• Chrome Trim Peeling * Description/Symptoms: Chrome trim on exterior surfaces begins to peel or flake off. * Solution: Replace or refinish affected trim pieces. * Estimated Cost to Fix: $500 - $1,000+ * Recalls: None

Interior

• Infotainment Display Failure * Description/Symptoms: Screen dimming, unresponsive, or displays errors. * Solution: Replace or repair faulty infotainment display unit. * Estimated Cost to Fix: $1,000 - $2,000+ * Recalls: None
• Climate Control Malfunction * Description/Symptoms: Temperature control issues; AC or heater not working properly. * Solution: Inspect and repair or replace faulty HVAC components. * Estimated Cost to Fix: $400 - $800+ * Recalls: None

Summary While the 2014 Bentley Mulsanne offers remarkable luxury and performance, some issues have been reported by owners. The most common issues involve the engine, including valve stem seal failure and timing chain tensioner failure. The transmission can also experience mechatronic unit failure. Other concerns include suspension malfunction, electrical battery drain, and interior infotainment display failure. The severity of these issues can vary, but some can be costly to repair. Potential buyers should be aware of these potential problems before considering a purchase.