🏷️ Basic Information Identification Make: Mercedes-Benz Model: SLK-Class Chassis Code: R172 Model Year: 2012 Codes Internal Model Code: R172.XXX 👋 Introduction Market Position Vehicle Segment: Compact Premium Sports Car / Roadster Competitive Analysis Competitors: BMW Z4, Audi TT Roadster, Porsche Boxster, Chevrolet Camaro Convertible, Ford Mustang Convertible Key Features Vehicle Defining Features: Retractable Hardtop (VARIO-ROOF), Rear-wheel drive, Mercedes-Benz build quality and luxury, Compact sports car dynamics Manual Value Proposition Target Audience: DIY enthusiasts, Independent repair shops, Owners seeking detailed maintenance and repair knowledge 📋 Manual Details Coverage Areas Primary Focus: Service, Repair, and Troubleshooting Markets Covered: Global (assuming factory manual content) Page Count Estimated Page Count: Hundreds (as stated in description) Manual Type Type: Factory Service Repair Workshop Manual Language Language: English (implied by product description and typical for this market) Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, Engine electrical, Fuel system, Ignition system, Exhaust system, Cooling system, Lubrication system Drivetrain: Transmission (automatic/manual), Drivetrain components (driveshafts, differentials) Chassis: Suspension (front and rear), Steering system, Braking system, Wheels and tires Electrical: Body control modules, Lighting, Instruments and controls, Audio system, Navigation system, Climate control, Powertrain control modules, Chassis control modules, Safety systems (ABS, ESP, Airbags) Body: Exterior body panels, Interior trim, Convertible hardtop mechanism, Doors, Windows, Locks, Bumpers, Seats Procedures Included Maintenance: Scheduled maintenance, Fluid changes, Filter replacements, Inspections Repair: Component removal and installation, Engine rebuild, Transmission overhaul, Suspension and steering repair, Brake repair, Electrical component replacement, Body panel repair Troubleshooting: Diagnostic procedures, Symptom-based troubleshooting, Electrical circuit diagnosis, Engine performance issues Specifications: Torque specifications, Clearances, Fluid capacities, Electrical resistance values Technical Depth Depth: Comprehensive (covers all repair, servicing, and troubleshooting) Detail Level: Step-by-step instructions, detailed photos, exploded diagrams 📊 Manual Specifications File Format Compatibility: Windows and MAC compatible Accessibility: Instant download, usable on multiple devices/computers Licensing: Lifetime usage, no expiry or renewal fees Print Quality Printability: Printable (single pages or entire manual) Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Code Example: M271 (for SLK 200/250 CGI) Engine Type: Inline-4 Cylinder, Turbocharged (CGI - Charged Gasoline Injection) Performance Displacement Example: 1.8 Liter (1796 cc) for SLK 200 CGI / 250 CGI Horsepower Example: Approx. 184 hp (SLK 200 CGI) to 204 hp (SLK 250 CGI) Torque Example: Approx. 270 Nm (SLK 200 CGI) to 310 Nm (SLK 250 CGI) Fuel System Fuel Delivery: Direct Injection (CGI) Fuel Type: Unleaded Gasoline (Premium recommended) Cooling System Coolant Type: Mercedes-Benz Approved Antifreeze/Coolant (e.g., G48) Lubrication System Oil Type Example: Mobil 1 Formula M 5W-40 or equivalent MB-Approval 229.5 Engine Management ECU Example: Siemens Dalian (or Bosch depending on specific variant) 🔧 Transmission Standard Transmission Type Example: 7G-TRONIC PLUS (7-speed Automatic) Optional Transmission Type Optional: 6-speed Manual (less common in some markets) Features Transmission Modes: Comfort (C), Sport (S), Manual (M) modes, ECO start/stop function Fluid Specifications Transmission Fluid Type: MB 236.14 Automatic Transmission Fluid (ATF) 📐 Dimensions Exterior Length: Approx. 4122 mm (162.3 in) Width: Approx. 1790 mm (70.5 in) Height: Approx. 1301 mm (51.2 in) Wheelbase: Approx. 2430 mm (95.7 in) Weights Curb Weight Example: Approx. 1425-1500 kg (depending on engine and options) 🛡️ Safety Features Ratings NHTSA Rating Example: Typically rated highly, specific 2012 ratings may vary by region but generally excellent for its class. Active Features Active Safety Systems: ABS (Anti-lock Braking System), ESP (Electronic Stability Program), ASR (Acceleration Slip Regulation), BAS (Brake Assist System), TPMS (Tire Pressure Monitoring System) Passive Features Passive Safety Features: Front airbags, Side airbags, Knee airbags (driver), Head airbags, Rollover protection system (pop-up bars), Seatbelt pretensioners 💡 Technology Features Infotainment Infotainment System Example: COMAND (Cockpit Management and Navigation Display) Features Example: Bluetooth connectivity, Radio, CD/DVD player, optional navigation, USB interface. Driver Assistance Driver Assistance Systems: Optional: ATTENTION ASSIST (drowsiness detection), PARKTRONIC (parking sensors), BI-XENON Headlights with Active Curve Illumination. Connectivity Connectivity Options: Bluetooth for hands-free calling and audio streaming. 🔧 Maintenance Service Intervals Oil Change Interval Example: Typically every 15,000 km or 12 months, whichever comes first (for models using approved synthetic oils). Major Service Interval Example: Every 30,000 km or 24 months, covering more comprehensive checks and replacements (e.g., air filters, brake fluid). Fluid Specifications Brake Fluid Type: DOT 4 Plus or DOT 5.1 Power Steering Fluid: Generally integrated electric power steering, no traditional power steering fluid. Coolant Capacity Example: Approx. 7.0 Liters (with A/C) Known Issues Common Wear Items: Brake pads and rotors, suspension bushings, tires due to performance nature. Convertible Top Mechanism: Occasional reports of hydraulic fluid leaks or motor issues with the vario-roof mechanism, requiring specialized attention. The manual would detail lubrication points and diagnostics. Turbocharger Issues: For turbo models (CGI), proper oil maintenance is crucial to prevent turbocharger wear. The manual will cover turbo-specific maintenance and troubleshooting. Maintenance Parts Oil Filter Part Number Example: A2711800109...