Segment:
Full-size Sedan, traditionally favored for its spacious interior and comfortable ride
Key Competitors:
Chevrolet Impala, Buick Lucerne (previous generation), Dodge Charger (rear-wheel drive variants)
Heritage:
Represents the final iteration of the Panther platform, a long-standing staple in Ford's lineup
Target Audience:
Owners seeking reliable, comfortable, and easily serviceable full-size sedans, including law enforcement and taxi fleets
Main Coverage:
Comprehensive Service and Repair Information
Estimated Pages:
Thousands (digital format, dynamically generated)
Type:
Online Service and Repair Manual Software
Format:
Web-based Software (Accessible via Browser)
Engine:
4.6L Modular V8 (2V SOHC), including diagnostics, repair, and overhaul
Drivetrain:
Rear Wheel Drive (RWD), Automatic Transmission (4R70W/4R75W), Driveshaft, Differential, Axles
Brakes:
Front and Rear Disc Brakes, ABS System, Parking Brake
Suspension Steering:
Independent Front Suspension, Solid Rear Axle, Power Steering System, Steering Column
Electrical:
Full Electrical Schematics, Lighting, Charging System, Starting System, Ignition System, Body Electronics, Powertrain Control Module (PCM), Body Control Module (BCM)
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) System components and service
Body Exterior:
Body Panel Repair, Doors, Hood, Trunk, Bumpers, Glass, Mirrors
Body Interior:
Seats, Trim Panels, Dashboard, Console, Restraints System (Airbags)
Maintenance:
Scheduled Maintenance, Oil Changes, Filter Replacements, Fluid Checks and Replacements
Troubleshooting:
Diagnostic Trouble Codes (DTCs), Symptom-based Diagnostics, Component Testing
Repair:
Component Removal and Installation, Major Rebuilds, Adjustments
Diagnostics:
On-Board Diagnostics (OBD-II), Scan Tool Procedures, Specific System Diagnostics
Depth:
Factory-Level Detail, including torque specifications, clearances, and diagnostic procedures
Engine Type:
4.6L SOHC V8 Modular (2-Valve)
Engine Code:
3V (typically referred to as such, though 2-valve)
Displacement:
281 cubic inches (4.6 liters)
Horsepower:
Approximately 224 hp @ 4000 rpm (subject to slight variation based on specific tuning)
Torque:
Approximately 272 lb-ft @ 3000 rpm (subject to slight variation)
Fuel Delivery:
Sequential Electronic Fuel Injection (SEFI)
Fuel Type:
Unleaded Gasoline (87 octane recommended)
Coolant Capacity:
Approximately 11.2 quarts (10.6 liters) with heater
Coolant Type:
Ford Premium Engine Coolant (Orange) or equivalent
Transmission Type:
4-Speed Automatic Rear-Wheel Drive
Transmission Model:
4R70W or 4R75W
Overdrive:
Yes (4th gear)
Transmission Fluid:
MERCON V Automatic Transmission Fluid (ATF)
Transmission Fluid Capacity:
Approximately 12.4 quarts (11.7 liters) refill, 17.3 quarts (16.4 liters) total capacity
NHTSA Front Crash Test:
5-Star (for driver and front passenger)
NHTSA Side Crash Test:
5-Star (for rear passenger, 4-Star for front passenger)
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Available Traction Control System (TCS)
Airbags:
Frontal Airbags, Front Side Airbags
Oil Change Interval:
Every 7,500 miles or 6 months (using synthetic blend or full synthetic oil)
Engine Air Filter:
Inspect every 15,000 miles, replace as needed or every 30,000 miles
Transmission Fluid Change:
At 100,000 miles (or sooner if used in severe service conditions)
Engine Oil Specification:
SAE 5W-30, meeting Ford Specification WSS-M2C153-H or equivalent (API Certified)
Brake Fluid:
DOT 3 Motor Vehicle Brake Fluid
Common Problems:
Rear axle seal leaks, transmission cooler line corrosion, occasional ABS sensor issues, power steering system leaks
Mercury Legacy:
Mercury was a division of Ford, known for producing comfortable and well-equipped vehicles. The Grand Marquis was its flagship sedan for many years.
Panther Platform:
The 2011 Grand Marquis is part of the final generation of the Panther platform, which also underpinned the Ford Crown Victoria and Lincoln Town Car. This platform has a long history dating back to the late 1970s.
Production End:
2011 marked the final model year for the Mercury Grand Marquis, as Ford phased out the Mercury brand.
