🏷️ Basic Information Identification Make: Mercedes-Benz Model: SLK-Class Chassis Code: R172 Model Year: 2015 Codes Production Code: R172 👋 Introduction Market Position Vehicle Segment: Compact Premium Sports Roadster Competitive Analysis Key Competitors 2015: BMW Z4, Audi TT Roadster, Porsche Boxster Key Features Model Highlight: Retractable hardtop (VARIO-ROOF), premium interior, dynamic driving experience, Mercedes-Benz engineering. Manual Purpose Target Audience: Owner DIY repairs, independent workshops, enthusiast mechanics. 📋 Manual Details Coverage Areas Manual Type: Service Repair Workshop Manual Language: English Format: Digital Download (PDF) Availability: Instant Download Licensing: Lifetime Use, No Expiry Device Compatibility: Windows & MAC Computers, Tablets, Smartphones Printing Capability: Printable (single page or entire manual) 📖 Manual Coverage Systems Covered Engine: Detailed diagnostics, repair, overhaul procedures for all R172 engine variants (e.g., SLK200, SLK250, SLK350, SLK55 AMG). Transmission: Automatic and manual transmission service, repair, clutch replacement, torque converter. Brakes: Brake system diagnostics, hydraulic components, ABS, ESP, brake pad/rotor replacement, bleeding procedures. Suspension Steering: Front and rear suspension components, shock absorbers, springs, control arms, steering rack, power steering system. Electrical System: Comprehensive wiring diagrams, ECU troubleshooting, lighting, power windows, seats, infotainment, CAN bus systems. Body Chassis: Body panels, doors, hood, trunk, convertible roof mechanism, frame and chassis components. Climate Control: HVAC system diagnostics, refrigerant handling, A/C compressor, blower motor, climate control modules. Fuel System: Fuel pump, injectors, fuel filter replacement, fuel pressure testing, EVAP system. Exhaust System: Exhaust components, catalytic converter, muffler replacement, lambda sensors. Procedures Included Maintenance: Routine scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs. Troubleshooting: Diagnostic procedures for common and uncommon faults, fault code interpretation, symptom-based troubleshooting. Repair: Step-by-step repair instructions for all major components and systems. Overhaul: Complete engine and transmission rebuild procedures. Diagnostics: OBD-II diagnostics, sensor testing, actuator testing, module programming and coding. Specifications Data: Torque specifications, clearances, tolerances, fluid capacities, electrical data. Technical Depth Depth Level: Comprehensive (from basic maintenance to advanced diagnostics and full rebuilds). Diagrams Illustrations: Hundreds of detailed photos, exploded diagrams, and schematic illustrations. Professional Standard: Identical content to factory-issued service manuals used by professional mechanics. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable if digitally generated by the manufacturer. Print Quality Print Resolution: High-resolution, suitable for clear printing of text and images. Binding Type Binding Type Digital: N/A (Digital Document) Paper Type Paper Type Digital: N/A (Digital Document) ⚙️ Engine Specifications Primary Engine Engine Codes Examples: M271 (SLK200, SLK250 CGI), M276 (SLK350), M157 (SLK55 AMG - later models might use M157/M177 variants) Performance Examples Slk200 Power: Approx. 184 hp (135 kW) Slk250 Power: Approx. 204 hp (150 kW) Slk350 Power: Approx. 306 hp (225 kW) Slk55 Amg Power: Approx. 422 hp (310 kW) Fuel System Fuel Type: Premium Unleaded Gasoline Injection System: Direct Injection (CGI for 4-cylinder), Port Injection/Direct Injection for V6/V8 🔧 Transmission Standard Transmission Options Examples: 7G-TRONIC PLUS Automatic (7-speed), 6-speed Manual (on some base models) Optional Transmission Options Examples: AMG SPEEDSHIFT MCT (7-speed) for SLK55 AMG Features Transmission Features: Selectable Drive Modes (Eco, Sport, Manual), Paddle Shifters 📐 Dimensions Exterior Length: Approx. 4,134 mm (162.8 in) Width: Approx. 1,810 mm (71.3 in) Height: Approx. 1,301 mm (51.2 in) Weights Curb Weight Example: Approx. 1,460 kg (3,219 lbs) for SLK250 🛡️ Safety Features Ratings NHTSA Ratings: Typically 5-star overall safety rating (subject to specific testing for the model year and region). Active Features Active Safety Systems: ABS, ESP (Electronic Stability Program), Traction Control, Brake Assist (BAS), ATTENTION ASSIST (Driver Drowsiness Detection) Passive Features Passive Safety Features: Front airbags, side airbags, rollover protection system (often pop-up roll bars), seatbelt pre-tensioners. 💡 Technology Features Infotainment Infotainment System: COMAND APS or Audio 20 with optional navigation, Bluetooth connectivity, USB interface. Driver Assistance Driver Assistance Features: PARKTRONIC (Parking Assist), Blind Spot Assist, Lane Keeping Assist (optional packages). Connectivity Connectivity Options: Bluetooth telephony and audio streaming, optional Mercedes-Benz Apps integration. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 - 15,000 miles or 12-24 months, depending on driving conditions (refer to specific manual for exact intervals). Major Service Intervals: Spark plugs, transmission fluid, brake fluid typically scheduled around 40,000 - 60,000 miles. Fluid Specifications Engine Oil Type: Refer to manual for specific MB-Approval 229.5 or 229.51 specification, typically synthetic 0W-40 or 5W-40. Coolant Type: MB-Approved Antifreeze (e.g., A0009890825), typically a blue G48 or similar silicate-free OAT coolant. Brake Fluid Type: DOT 4 Plus (MB Spec 331.0) Transmission Fluid Type: Specific MB-Approved ATF for 7G-TRONIC (e.g., MB 236.14) or manual transmission fluid (GL-4 or GL-5 depending on variant). Known Issues Common Issues R172: Leaking oil cooler seals, potential issues with the convertible roof hydraulics/motors, occasional transmission control module faults, carbon build-up in direct-injection engines. 📚 Vehicle History Brand Heritage Brand Legacy: Mercedes-Benz is renowned for luxury, engineering excellence, and pioneering automotive safety and technology. Model Evolution R172 Generation: Third generation of the SLK-Class, introduced in 2011. Facelifted for...