Market Segment:
Luxury Mid-size SUV (Hybrid)
Key Competitors:
Lexus RX Hybrid, BMW X5 Hybrid (e.g., X5 ActiveHybrid), Porsche Cayenne Hybrid, Audi Q7 Hybrid (less common in this year).
Vehicle Distinction:
Combines Mercedes-Benz's luxury SUV comfort and utility with a sophisticated hybrid powertrain, offering a blend of performance and improved fuel efficiency for its class.
Manual Value Proposition:
Provides authoritative, factory-level repair and maintenance information essential for the proper care and longevity of the complex hybrid system and luxury features of the 2011 ML450.
Systems Covered:
Engine Mechanical, Engine Electrical, Fuel System, Ignition System, Cooling System, Exhaust System, Transmission (Automatic), Drivetrain, Suspension, Steering, Brakes (Hydraulic & ABS), Body Control Modules, HVAC, Electrical Systems, Body & Chassis, Diagnostic Procedures, Hybrid System Components
Page Count:
Comprehensive Digital Content (typically equivalent to 1000+ printed pages)
Manual Type:
Official Service and Repair Manual Software
Format:
Software (Digital Download / CD-ROM - depending on product delivery)
Engine Mechanical:
Detailed disassembly, assembly, inspection, and repair procedures for all internal engine components, including cylinder head, pistons, connecting rods, crankshaft, camshafts, valve train, and timing components. Torque specifications for all fasteners.
Engine Electrical:
Wiring diagrams, component locations, testing procedures for sensors (crankshaft position, camshaft position, oxygen, mass airflow, etc.), ignition coils, starter motor, alternator, and related control modules.
Hybrid System:
Specific troubleshooting and repair for the hybrid powertrain, including the electric motor, high-voltage battery pack, power electronics control unit, and associated cooling systems. Safety precautions for working with high-voltage systems.
Maintenance Procedures:
Routine maintenance tasks such as oil changes, filter replacements (oil, air, cabin), fluid level checks and top-offs, spark plug replacement, and belt inspections/replacement.
Diagnostic Procedures:
Step-by-step diagnostic trees for common and uncommon drivability issues, system malfunctions, and error codes. Guidance on using diagnostic scan tools (e.g., XENTRY/DAS).
Repair Procedures:
Comprehensive instructions for component removal, installation, adjustment, and calibration for virtually every system in the vehicle. Includes detailed illustrations and diagrams.
Depth Of Coverage:
Expert-level detail suitable for professional technicians and advanced DIY enthusiasts, covering everything from basic fluid changes to complete engine and transmission overhauls, including complex electronic system diagnostics and hybrid component repair.
File Format Details:
Searchable PDF or proprietary software application with interactive diagrams, hyperlinked sections, and often embedded videos. Optimized for digital viewing and printing.
Print Quality:
High-resolution, professionally formatted for clarity and readability. Includes detailed technical illustrations, schematics, and photographs.
Binding Type:
Not Applicable (Digital Software)
Paper Type:
Not Applicable (Digital Software)
Engine Type:
3.5L V6 + Electric Motor (Hybrid)
Engine Displacement:
3498 cc (3.5 Liters)
Combined Horsepower:
275 hp
Combined Torque:
354 lb-ft
Fuel Delivery:
Electronic Fuel Injection (EFI), Sequential Multi-port
Recommended Fuel:
Premium Unleaded Gasoline (91 octane or higher)
Electric Motor Type:
Permanent Magnet Synchronous Motor
High Voltage Battery:
Nickel-Metal Hydride (NiMH) or Lithium-Ion (specific to variant)
Transmission Type:
7-Speed Automatic (7G-TRONIC)
Transmission Control:
Electronic with Traction Control System (ETS) and Electronic Stability Program (ESP)
Drive Modes:
Comfort (C), Sport (S), Manual (M) modes available
Hybrid Integration:
Integrated starter-generator (ISG) for seamless start/stop and regenerative braking. Electric-only driving capability at low speeds.
Length:
189.1 inches (4803 mm)
Width:
75.6 inches (1920 mm)
Height:
70.1 inches (1780 mm)
Curb Weight:
Approx. 4850-5000 lbs (2200-2268 kg)
Gross Vehicle Weight Rating:
Approx. 6400 lbs (2903 kg)
Cargo Volume Behind Second Row:
Approx. 29.4 cu ft (832 L)
Cargo Volume With Second Row Folded:
Approx. 71.4 cu ft (2022 L)
NHTSA Front Crash Rating:
5-Star (Likely, based on platform)
IIHS Top Safety Pick:
Likely a Top Safety Pick designation.
Electronic Stability Program:
Standard ESP with Anti-Slip Regulation (ASR)
Antilock Braking System:
Standard ABS with Brake Assist (BAS)
Tire Pressure Monitoring:
Standard
Airbags:
Front, front-side, side-curtain airbags; driver knee airbag (typical configuration).
Seatbelts:
3-point inertia-reel seatbelts with pre-tensioners and force limiters.
Infotainment System:
COMAND (Cockpit Management and Navigation) system with color display, AM/FM/Weatherband radio, CD/DVD changer, Bluetooth connectivity, and optional navigation.
Adaptive Cruise Control:
Optional DISTRONIC PLUS system available.
Parking Assist:
Optional PARKTRONIC parking assist system.
Bluetooth:
Standard Bluetooth hands-free calling and audio streaming.
Hybrid Drive Modes:
Hybrid Drive, Electric Drive, ECO Drive, Sport Drive modes managed by the powertrain control module.
Oil Change Interval:
Typically every 10,000 miles or 12 months, whichever comes first, using synthetic oil. Consult manual for exact interval based on driving conditions (e.g., 'Service A' or 'Service B').
Transmission Fluid Change:
Recommended around 60,000-80,000 miles for the 7G-TRONIC, or as indicated by the vehicle's service reminder system. Specific fluid type is critical.
Engine Oil Specification:
MB 229.5 or MB 229.51 Approved Synthetic Engine Oil (e.g., Mobil 1 0W-30, 0W-40).
Transmission Fluid Specification:
MB 236.14 Approved Automatic Transmission Fluid (e.g., Fuchs Titan ATF 4134).
Coolant Specification:
MB 325.0 Approved Antifreeze/Coolant (Concentrate mixed 50/50 with distilled water).
Common Problems And Solutions:
Potential issues include: balance shaft wear on M272 engines, oil cooler leaks, transmission solenoid issues, hybrid battery degradation (less common at this age but possible), and electronic module failures. The manual provides detailed diagnostics for all these.
Oil Filter Part Number:
OEM Part Number: A2721800109 (example, verify for exact VIN)
Cabin Air Filter Part Number:
OEM Part Number: A1648300218 (example, verify for exact VIN)
Manufacturer History:
Mercedes-Benz has a long-standing reputation for engineering excellence, luxury, and innovation, dating back to the invention of the automobile.
Ml Class History:
The M-Class (later GLE) series, introduced in 1997, represented Mercedes-Benz's entry into the luxury SUV market. The W164 generation (2006-2011) was a significant refinement, and the ML450 Hybrid was an early foray into electrification for the brand's SUVs.
Manufacturing Location:
Tuscaloosa, Alabama, USA
Model Production Years:
The ML450 Hybrid was primarily produced for the 2010-2011 model years in the US market as part of the W164 generation.
Fuel Efficiency Awards:
While specific awards for the 2011 ML450 Hybrid might be niche, it represented Mercedes-Benz's commitment to improving SUV fuel economy during its production run.
Epa Fuel Economy:
Approx. 19 MPG City / 20 MPG Highway (Combined MPG varies significantly based on driving style and hybrid system usage).
Emission Standards:
Compliant with EPA and California ARB emission standards for its model year.
