🏷️ Basic Information Identification Make: Mercedes-Benz Model: SLK-Class Chassis Code: R172 Model Year: 2018 Generation Generation Code: Third Generation (R172) Generation Start Year: 2011 Generation End Year: 2020 Codes Product Identifier: Mercedes Benz SLK Class R172 Complete Workshop Service Repair Manual 2018 👋 Introduction Market Position Segment: Compact Premium Sports Car / Roadster Target Audience: Enthusiasts seeking a luxury, sporty convertible experience with Mercedes-Benz engineering. Competitive Analysis Key Competitors: BMW Z4, Audi TT Roadster, Porsche Boxster. Key Features Distinctive Feature: Vario-roof (retractable hardtop) offering coupe-like security and convertible freedom. Driver Experience: Focus on agile handling, powerful engine options, and luxurious interior appointments. Manual Value Proposition Diy Benefit: Enables owners to perform a wide range of maintenance and repair tasks, saving significant costs on dealership labor. Diagnostic Benefit: Provides detailed diagnostic procedures and information essential for identifying and rectifying complex issues. 📋 Manual Details Coverage Areas Coverage Scope: All models, engines, trims, and transmission types within the R172 SLK-Class for the 2018 model year. Page Count Estimated Page Count: Extensive (Specific page count not provided, but implied to be comprehensive A-Z coverage). Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Downloadable Digital Format (PDF compatible) 📖 Manual Coverage Systems Covered Engine: Engine mechanical, engine management, fuel system, cooling system, lubrication system, ignition system, emissions control. Transmission: Automatic transmission (e.g., 7G-TRONIC PLUS) and potentially manual transmission (if offered in 2018 R172), including control systems, hydraulics, and overhaul. Drivetrain: Driveshafts, differentials, axles, and related components. Suspension: Front and rear suspension systems, shock absorbers, springs, control arms, steering knuckles. Steering: Power steering system, steering column, steering gear, linkages. Brakes: Hydraulic brake system, ABS, ESP, brake discs, pads, calipers, lines, parking brake. Electrical System: Battery, alternator, starter motor, wiring diagrams, fuses, relays, lighting systems, power windows, seats, mirrors. Body And Frame: Body panels, chassis, doors, hood, trunk lid, convertible hardtop mechanism, interior trim, glass, bumpers. HVAC: Heating, ventilation, and air conditioning system, climate control, refrigerant circuits, components. Infotainment And Navigation: Audio system, COMAND system, navigation, Bluetooth, telematics (diagnosis and basic operation). Safety Systems: Airbag system (SRS), seat belt pre-tensioners, restraint systems, driver assistance systems (e.g., PARKTRONIC, COLLISION PREVENTION ASSIST). Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, brake fluid replacement, spark plug replacement. Troubleshooting: Diagnostic procedures for common issues, fault code interpretation, step-by-step troubleshooting guides for various systems. Repair: Component removal, installation, adjustment, and rebuilding procedures for all covered systems. Diagnostics: OBD-II diagnostics, sensor testing, actuator testing, module programming (basic guidance). Special Tools: Identification and usage of specialized tools required for specific repairs. Technical Specifications: Torque specifications, clearances, fluid capacities, electrical values, diagnostic data. Technical Depth Depth: Comprehensive from basic maintenance to in-depth repair and diagnostics, suitable for both DIY enthusiasts and professional technicians. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely searchable text within the PDF for easy information retrieval. Print Quality Printability: High-quality, suitable for printing individual pages or entire sections. Binding Type Binding: N/A (Digital Download, printing is user-dependent). Paper Type Paper Quality: N/A (Digital Download, printing is user-dependent). ⚙️ Engine Specifications Primary Engine Engine Variant Example 1: SLK 250 (M274 DE20 LA) - 2.0L Turbocharged Inline-4 Engine Variant Example 2: SLK 300 (M274 DE20 LA) - 2.0L Turbocharged Inline-4 (Upgraded tune) Engine Variant Example 3: SLK 350 (M276 DE35 LL) - 3.5L Naturally Aspirated V6 (Potentially phased out or replaced by turbo V6 for 2018, but common in R172). Engine Variant Example 4: AMG SLC 43 (M276 DELA30 LA) - 3.0L Twin-Turbocharged V6 (The R172 SLK was rebranded as SLC from 2016, this is highly relevant for 2018). Performance Horsepower Range: Approximately 200 hp to 362 hp depending on the engine variant. Torque Range: Approximately 229 lb-ft to 384 lb-ft depending on the engine variant. Fuel System Fuel Injection: Direct Injection (Bosch or Continental systems typical). Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended). 🔧 Transmission Standard Transmission Type: 7G-TRONIC PLUS (7-speed automatic transmission). Optional Transmission Type Manual: Manual transmission (less common in later R172 models, especially for 2018, but may be covered if present). Features Transmission Control: Electronic control with various driving modes (e.g., Comfort, Sport). Transmission Fluid Type: Specific Mercedes-Benz Automatic Transmission Fluid (e.g., MB 236.14 or MB 236.15 depending on variant). 📐 Dimensions Exterior Length: Approx. 171.5 inches (4358 mm) Width: Approx. 70.5 inches (1790 mm) Height: Approx. 53.1 inches (1348 mm) Interior Seating Capacity: 2 Cargo Trunk Volume Hardtop Up: Approx. 10.1 cubic feet (285 liters) Trunk Volume Hardtop Down: Approx. 6.4 cubic feet (180 liters) Weights Curb Weight: Approx. 3300 - 3500 lbs (1497 - 1588 kg) depending on engine and options. 🛡️ Safety Features Ratings NHTSA Rating Example: Likely received high ratings from NHTSA and IIHS, consistent with Mercedes-Benz safety standards (specific ratings for 2018 R172 would require direct lookup). Active Features...