🏷️ Basic Information Identification Make: Mercedes-Benz Model: SLK-Class Chassis Code: R172 Model Year: 2011 👋 Introduction Market Position Vehicle Segment: Compact luxury roadster/sports car. Competitive Analysis Key Competitors: BMW Z4, Audi TT Roadster, Porsche Boxster. Key Features Retractable Hardtop: The R172 is renowned for its 'vario-roof' retractable hardtop, offering coupe-like refinement and convertible freedom. Driver Focus: Emphasizes a sporty driving experience with rear-wheel drive and a balanced chassis. Manual Utility User Benefit: Enables DIY maintenance and repair, saving significant costs on dealership labor. Professional Aid: Valuable resource for independent repair shops and automotive technicians. 📋 Manual Details Coverage Areas Coverage Scope: Complete Workshop Service and Repair Procedures Model Variants Covered: All engine types, transmission types, trim levels, and body styles within the R172 SLK-Class for the 2011 model year. Page Count Page Count: Estimated 1500-2500+ pages (typical for complete workshop manuals). Manual Type Manual Type: Workshop Service and Repair Manual Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanical, lubrication, cooling, fuel injection, ignition, emission control, engine diagnostics, turbocharging (if applicable). Transmission Systems: Manual and automatic transmission repair, clutch, torque converter, gear shifting mechanisms, transmission control modules. Drivetrain Systems: Driveshafts, axles, differential, wheel bearings, four-wheel drive systems (if applicable). Suspension Systems: Front and rear suspension, springs, shock absorbers, control arms, steering knuckles, wheel alignment. Braking Systems: Front and rear brakes, hydraulic system, ABS, EBD, brake pads, rotors, calipers, parking brake. Steering Systems: Power steering system, steering column, steering gear, steering linkage. Electrical Systems: Battery, charging system, starter motor, lighting systems (headlights, taillights, interior), fuses, relays, wiring diagrams. Body And Interior Systems: Body panels, doors, hood, trunk, bumpers, interior trim, seats, airbags, seatbelts, HVAC system. Climate Control Systems: Air conditioning (A/C) system, heating system, ventilation, refrigerant, components, troubleshooting. Infotainment And Electronics: Audio system, navigation system, communication systems, instrument cluster, control modules, CAN bus architecture. Convertible Top Systems: Operation, maintenance, and repair of the retractable hardtop and its associated mechanisms. Safety Restraint Systems: Detailed information on airbag system operation, SRS module diagnostics, and seatbelt maintenance. Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and top-offs, tire rotations, brake inspections. Troubleshooting: Diagnostic procedures for common and uncommon issues, symptom-based troubleshooting guides, error code interpretation. Component Repair: Detailed step-by-step instructions for disassembling, repairing, and reassembling major and minor components. Diagnostics And Testing: Procedures for testing sensors, actuators, electrical circuits, and mechanical components using specialized tools and equipment. Electrical Troubleshooting: Comprehensive wiring diagrams, circuit testing procedures, component location charts. Engine Rebuilding: Specifications for machining, assembly, and break-in procedures for engine overhauls. Transmission Rebuilding: Detailed procedures for the overhaul of automatic and manual transmissions. Special Tools And Equipment: Identification and usage instructions for specialized tools required for specific repair procedures. Body Repair Procedures: Includes procedures for panel replacement, alignment, rust repair, and convertible top mechanism adjustments. Technical Depth Depth Of Coverage: In-depth, from basic fluid changes to complete engine and transmission rebuilds, including complex electronic diagnostics. Diagnostic Capability: Advanced diagnostic procedures, including interpretation of fault codes and live data streams. Repair Accuracy: Emphasis on manufacturer-recommended repair procedures and specifications for ensuring accuracy and longevity. Wiring Diagrams Detail: Comprehensive, clearly illustrated wiring diagrams for all major electrical systems. 📊 Manual Specifications File Format File Format: PDF Searchability: Searchable text content for quick access to information. Software Requirement: Adobe Reader or compatible PDF viewer. Print Quality Print Quality: High-resolution images and diagrams suitable for printing. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Options 2011: SLK200 CGI (M271 E18 DE LA), SLK350 (M272 DE35). Slk200 Cgi Engine Code: M271 E18 DE LA Displacement: 1.8 Liters (1796 cc) Configuration: Inline-4, turbocharged, direct injection Horsepower: 184 PS (181 hp; 135 kW) at 5250 rpm Torque: 270 Nm (199 lb-ft) at 2000-4300 rpm Slk350 Engine Code: M272 DE35 Displacement: 3.5 Liters (3498 cc) Configuration: V6, naturally aspirated, direct injection Horsepower: 306 PS (302 hp; 225 kW) at 6500 rpm Torque: 370 Nm (273 lb-ft) at 3500-5250 rpm Fuel System Fuel Injection: Direct injection (CGI) Recommended Fuel: Premium Unleaded Gasoline (RON 95 or higher) 🔧 Transmission Standard Transmission Type Slk200: 6-speed manual transmission Transmission Type Slk350: 7G-Tronic PLUS automatic transmission Optional Transmission Type Slk200 Auto: 7G-Tronic PLUS automatic transmission Features Automatic Transmission Features: Paddle shifters, sport and comfort modes, efficient operation. Fluid Specifications Automatic Transmission Fluid Type: MB-Approval 236.14 (e.g., Mercedes-Benz ATF) Manual Transmission Fluid Type: MB-Approval 235.10 (or equivalent) 📐 Dimensions Exterior Length: 4133 mm (162.7 in) Width: 1783 mm (70.2 in) Height: 1301 mm (51.2 in) Wheelbase: 2430 mm (95.7 in) Weights Curb Weight Slk200: Approx. 1430 kg (3153 lbs) Curb Weight Slk350: Approx. 1470 kg (3241 lbs) Cargo Trunk Volume Top Up: Approx. 335 liters (11.8 cu ft) Trunk Volume Top Down: Approx. 225 liters (7.9 cu...