2011 Bentley Continental Supersports Convertible Maintenance Schedule & Service Intervals

The 2011 Bentley Continental Supersports Convertible represents the zenith of Bentley's first-generation open-top performance. As one of the most powerful convertibles ever produced, it is powered by a twin-turbocharged 6.0L W12 engine producing 621 horsepower and 590 lb-ft of torque . With a limited production run, a 204 mph top speed, and permanent all-wheel drive, this hand-built motorcar demands a meticulous and well-documented maintenance regimen to preserve its performance, reliability, and substantial investment value [citation:4, 8, 12].

Key Takeaways

• Primary Service Interval: Bentley requires scheduled maintenance every 12 months or 10,000 miles, whichever comes first . This foundational requirement applies to all 2011 Continental Supersports Convertible models.
• Factory Warranty: New 2011 models came with a 3-year/unlimited mileage factory warranty covering basic and powertrain, plus a 3-year/30,000-mile free scheduled maintenance program and 3-year roadside assistance .
• Engine & Performance: Powered by a twin-turbocharged 6.0L W12 (engine code CKHA) producing 621 hp and 590 lb-ft of torque, paired with a ZF 6HP six-speed automatic transaxle and permanent all-wheel drive with a 3.52 axle ratio .
• Service Manual: The official owner's manual for the 2009-2011 Continental Supersports is available under part numbers 3W7 012 003 QB and 3W7 012 003 NS . For the 2011+ Continental Supersports Convertible, the instruction manual part number is 390 012 712 EC .
• Service Indicator: Standard equipment includes a service interval warning system on the instrument cluster .

Factory Recommended Service Schedule

Primary Service Interval

Bentley's official service guidelines are simple and consistent: once a year, or every 10,000 miles, whichever comes first . The first year of Bentley service is complimentary for the original owner .

A specialist service schedule, applicable to the 2011 Continental Supersports Convertible, typically includes two service levels:

Annual / 10,000-Mile Service Contents

At each scheduled visit, the following baseline items are typically performed :

• Engine Oil & Filter: Replaced with Bentley-specification fully synthetic oil
• Tire Rotation: All four tires rotated for even wear
• Cabin Pollen Filter: Replaced
• Windshield Wipers: Replaced as needed
• Key Fob Battery: Replaced
• Brake System: Comprehensive inspection of brake pads and discs
• Fluid Levels: All vehicle systems checked and topped up
• Leakage Inspection: Visual inspection for fluid leaks
• Suspension: Comprehensive inspection of all components

Following the vehicle inspection, owners are informed of any components not meeting specification, at which point they can approve any necessary repairs .

Factory Warranty Coverage

Every new 2011 Bentley Continental Supersports Convertible came with comprehensive warranty coverage :

Original owners could extend the factory warranty by two additional years, a feature transferable to a private buyer with unlimited mileage and claims value .

Engine Oil Change Guidance

Oil Specifications and Capacities

The 2011 Continental Supersports Convertible's 6.0L twin-turbo W12 requires high-quality fully synthetic oil meeting Bentley's factory standards . While exact capacity is not provided in the search results, the Supersports engine shares its W12 architecture with other Continental models and should follow the manufacturer's recommended oil specification.

Oil Change Interval

• Factory recommendation: Every 12 months or 10,000 miles
• Conservative owner guidance: Never exceed 12 months for an oil change, even if the mileage is low, as synthetic oil can degrade over time. For vehicles driven primarily in extreme climates or for short urban journeys, many specialists recommend more frequent changes.

A well-documented example with 27,000 miles shows the engine oil was most recently changed in November 2024, demonstrating the importance of regular service .

Spark Plug Timing

The 2011 Continental Supersports Convertible uses a full set of spark plugs. The 6.0L W12 engine requires 12 spark plugs. Based on general Bentley service guidance, spark plugs should be inspected and replaced at scheduled intervals . While a specific interval for the 2011 model is not provided in the search results, Bentley specialists typically recommend replacement every 35,000-40,000 miles or 6 years, whichever occurs first.

Brake System

Carbon-Ceramic Brakes

The 2011 Continental Supersports Convertible features standard lightweight carbon ceramic brakes with Bentley-branded calipers fitted over cross-drilled and ventilated ceramic-composite rotors . These high-performance components provide exceptional stopping power but require specialist attention.

Brake Rotor Replacement Interval

Replacement intervals for brake rotors vary widely; many owners require rotor service every 30,000–70,000 miles depending on use and maintenance . Regular inspections help determine precise timing to avoid costly secondary damage to pads, calipers, or wheel bearings .

Brake Fluid

Brake fluid should be checked at every service and replaced according to the manufacturer's schedule. A conservative approach is to flush and replace brake fluid every 2 years, as brake fluid is hygroscopic and absorbs moisture over time, degrading braking performance.

Transmission Service

Transmission Specifications

The 2011 Continental Supersports Convertible is equipped with a ZF 6HP six-speed automatic transaxle and permanent all-wheel drive with a Torsen center differential .

Service Considerations

Given the high-performance nature of the Supersports, a full transmission fluid and filter service should be considered at higher mileages. If shifting becomes rough, delayed, or is accompanied by unusual noises, have the transmission inspected immediately by a Bentley specialist.

Known Technical Service Bulletins (TSBs)

Several Technical Service Bulletins have been documented for the 2011 Continental Supersports Convertible, highlighting areas requiring particular attention during routine service :

These TSBs highlight areas requiring particular attention during routine service and should be referenced by Bentley specialists when performing maintenance .

Service Documentation

Maintaining a comprehensive service history is critical for preserving the vehicle's resale value. The official owner's manual for the 2009-2011 Continental Supersports is available under part numbers 3W7 012 003 QB and 3W7 012 003 NS . For the 2011+ Continental Supersports Convertible, the instruction manual part number is 390 012 712 EC . These manuals provide comprehensive guidance on the operation, maintenance, and care of these vehicles, and regular consultation is crucial for maintaining performance and longevity.

Long-Term Ownership Considerations

The 2011 Bentley Continental Supersports Convertible rewards diligent and proactive maintenance. Key considerations for owners include:

• Specialist Care: Service should be performed by certified Bentley technicians or independent specialists with the right equipment and genuine parts.
• Service Documentation: Maintaining a comprehensive service history is critical for preserving the vehicle's resale value .
• Driving Habits: The Supersports Convertible is a high-performance vehicle that benefits from regular use. For vehicles not used regularly, a trickle charger is recommended to maintain the advanced electrical systems.
• Battery Maintenance: A 12-volt battery condition check is recommended as part of routine service (TSB 2051562.4) .
• Tire Maintenance: With its power and all-wheel-drive configuration, proper tire pressure and condition are essential for safety and performance. The Supersports Convertible rides on 20" black forged aluminum wheels fitted with P275/35ZR20 summer performance tires .