🏷️ Basic Information Identification Make: Mercedes-Benz Model: GLK-Class Chassis Code: X204 Model Year: 2012 Generation Generation Code: X204 (First Generation) 👋 Introduction Market Position Market Segment: Compact Luxury SUV Target Audience: Luxury buyers seeking practicality, off-road capability (optional 4MATIC), and Mercedes-Benz refinement in a smaller package Competitive Analysis Key Competitors: BMW X3, Audi Q5, Lexus RX, Acura RDX Key Features Design: Distinctive angular styling, compact yet robust appearance Powertrain Options: Range of efficient 4-cylinder and V6 gasoline engines, optional 4MATIC all-wheel drive Interior Appointments: Premium materials, comfortable seating, advanced technology for its time 📋 Manual Details Coverage Areas Primary Coverage: Complete workshop service and repair procedures Model Variants Covered: All engine types, transmission types, and trim levels within the 2012 X204 GLK-Class Page Count Estimated Pages: Thousands (comprehensive nature implies extensive documentation, actual count not provided but implied to be exhaustive) Manual Type Type: Workshop Service Repair Manual Language Language: English (presumed based on typical availability for international markets and description) Format Format: Digital Downloadable (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanicals, fuel system, ignition system, exhaust system, cooling system, lubrication system Drivetrain: Transmission (automatic), transfer case, drive axles, differentials, all-wheel drive (4MATIC) system Chassis: Suspension system (front and rear), steering system, braking system (including ABS, ESP), wheels and tires Electrical: Vehicle electrical system, battery, charging system, starter, lighting system, instrumentation, power accessories, control modules (ECU/ECM, TCM, BCM, etc.) Body: Body structure, exterior panels, doors, hood, tailgate, interior trim, HVAC system, safety restraints (airbags, seatbelts) Diagnostics: Diagnostic trouble codes (DTCs), troubleshooting procedures, diagnostic tool usage Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, lubrication Repair: Component removal and installation, system repairs, part replacement Troubleshooting: Step-by-step diagnostic flowcharts, common problem diagnosis Specifications: Torque specifications, clearances, fluid capacities, electrical specifications Wiring Diagrams: Comprehensive electrical wiring schematics for all systems Technical Depth Depth: In-depth, from basic maintenance to complete engine and transmission overhauls, advanced diagnostics, and system component replacement 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content (typical for professional PDFs) Print Quality Printability: Printable by page, chapter, or entire document Binding Type Binding: Not applicable (digital format) Paper Type Paper Type: Not applicable (digital format) Compatibility Software Requirements: Adobe Reader (or compatible PDF viewer) Device Compatibility: All PC & MAC computers, tablets, smartphones ⚙️ Engine Specifications Primary Engine Engine Code Gasoline 4Cyl: M271 (DE18LA / DE20LA - 1.8L/2.0L Turbocharged Inline-4) Engine Code Gasoline V6: M272 (3.5L Naturally Aspirated V6) Engine Code Diesel: OM651 (2.1L Turbocharged Inline-4 Diesel) Performance Horsepower Range: Approx. 170 hp (GLK250 CDI) to 268 hp (GLK350) Torque Range: Approx. 258 lb-ft (GLK250 CDI) to 258 lb-ft (GLK350) Fuel System Fuel Delivery Gasoline: Direct Injection (for M271.8xx and M271.9xx variants), Electronic Fuel Injection (EFI) for M272 Fuel System Diesel: Common Rail Direct Injection (CDI) Engine Management ECU Type: ME (Motor Elektronik) series ECUs (e.g., ME 2.8, ME 2.9 for gasoline), EDC (Elektronische Diesel Control) for diesel 🔧 Transmission Standard Transmission Type Gasoline: 7-speed Automatic (7G-TRONIC PLUS) Transmission Type Diesel: 7-speed Automatic (7G-TRONIC PLUS) Optional Drivetrain Options: Rear-wheel drive (RWD), 4MATIC All-Wheel Drive (AWD) Features Transmission Features: Selectable drive modes (Comfort, Sport), manual shifting capability (Touchshift) 📐 Dimensions Exterior Length: Approx. 4527 mm (178.2 in) Width: Approx. 1840 mm (72.4 in) (excluding mirrors) Height: Approx. 1685 mm (66.3 in) Wheelbase Wheelbase: Approx. 2755 mm (108.5 in) Cargo Cargo Volume Rear Seats Up: Approx. 450 liters (15.9 cu ft) Cargo Volume Rear Seats Down: Approx. 1550 liters (54.7 cu ft) Weights Curb Weight Range: Approx. 1700 kg - 1850 kg (3748 lbs - 4079 lbs) depending on engine and drivetrain 🛡️ Safety Features Ratings NHTSA Rating: Generally rated well in crash tests, typically achieving 4 or 5 stars in various categories (specific 2012 ratings may vary by region) Active Features Electronic Stability Program: Standard (ESP® - Electronic Stability Program) Traction Control: Standard (ASR - Acceleration Slip Regulation) Antilock Braking System: Standard (ABS - Anti-lock Braking System) Brake Assist: Standard (BAS - Brake Assist System) Passive Features Airbags: Front airbags, front side airbags, window airbags (curtain airbags) Seatbelts: 3-point inertia-reel seatbelts with belt tensioners and force limiters Child Seat Anchors: ISOFIX (standard on modern Mercedes-Benz vehicles) 💡 Technology Features Infotainment Infotainment System: Optional COMAND (Cockpit Management and Navigation Display) system Audio Options: Standard audio system, optional Harman Kardon surround sound system Driver Assistance Adaptive Cruise Control: Optional (DISTRONIC PLUS) Parking Assistance: Optional Parking Assist ( PARKTRONIC ), rearview camera Lane Keeping Assist: Optional Lane Keeping Assist and Blind Spot Assist Connectivity Connectivity Features: Bluetooth connectivity for hands-free calling and audio streaming, optional Media Interface for iPod/USB 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 miles or 12 months, whichever comes first (often determined by the vehicle's 'Service A' or 'Service B' indicators) Transmission Fluid Interval: Often cited as 'lifetime' by Mercedes-Benz, but independent experts...