🏷️ Basic Information Identification Make: Mercedes-Benz Model: SLK-Class Year: 2009 Chassis Code: R171 Platform: R171 Variant: COMAND APS System Operators Manual 👋 Introduction Market Position Segment: Premium Two-Seater Sports Roadster Usp: Retractable hardtop ('Variodach'), agile handling, refined interior, advanced technology. Competitive Analysis Competitors: BMW Z4, Audi TT Roadster, Porsche Boxster, Chevrolet Corvette (lower trims). Key Features Variodach: Fully automatic electro-hydraulic retractable hardtop, allowing for coupe-to-convertible transformation in seconds. Agility And Handling: Rear-wheel drive, balanced chassis, precise steering. Engine Options: Variety of powerful and refined Mercedes-Benz engines. Infotainment: COMAND APS system for navigation, audio, and communication. 📋 Manual Details Coverage Areas General Functionality: Operation and features of the COMAND APS infotainment system. Navigation System: Navigation system operation, destination entry, route planning. Audio System: Radio, CD/DVD player, media interface, audio settings. Telephone Functions: Bluetooth connectivity, phone book management, making/receiving calls. Climate Control Integration: COMAND interface for climate control adjustments. Vehicle Settings: Accessing and adjusting certain vehicle comfort and convenience settings. Page Count Estimated Pages: 150-250 Manual Type Type: Owner's Manual / Operator's Manual Language Language: English Format Format: Digital PDF Downloadability: Instant Download 📖 Manual Coverage Systems Covered Infotainment System: COMAND APS (Cockpit Management and Navigation). Navigation Module: Detailed operation of the integrated navigation system. Audio Entertainment: AM/FM Radio, CD/DVD playback, SiriusXM (if equipped), Media Interface. Communication: Bluetooth telephony, hands-free operation. Display Interface: Central display unit operation and customization. Control Elements: Buttons, knobs, and joystick control of COMAND functions. Procedures Included Initial Setup: First-time use, language, unit, and time settings. Destination Entry: Manual entry, address book, points of interest (POIs). Route Management: Route options, recalculation, traffic information. Audio Source Selection: Switching between radio, CD, AUX, USB, Bluetooth audio. Phone Pairing: Connecting and managing Bluetooth-enabled mobile devices. Customization Settings: Adjusting display brightness, sound profiles, navigation voice. Technical Depth Depth: Comprehensive operator-level instructions, focusing on user interaction and system features. Scope: Covers daily operation, feature utilization, and basic troubleshooting related to COMAND functionality. 📊 Manual Specifications File Format Format: PDF Searchability: Typically text-searchable, allowing for quick information retrieval. Print Quality Quality: Reproduction of original factory manual quality, ensuring clarity of text and diagrams. Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Code Slk280: M272 E30 Engine Type Slk280: 3.0L V6 (Naturally Aspirated) Displacement Slk280: 2996 cc (183 cu in) Horsepower Slk280: 228 hp @ 6000 rpm Torque Slk280: 221 lb-ft @ 2400-5000 rpm Optional Engine Slk350 Engine Code Slk350: M272 E35 Engine Type Slk350: 3.5L V6 (Naturally Aspirated) Displacement Slk350: 3498 cc (213 cu in) Horsepower Slk350: 302 hp @ 6500 rpm Torque Slk350: 273 lb-ft @ 4900 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Premium Unleaded Gasoline (91 Octane Recommended) Engine Management ECU: ME 9.7 Engine Control Unit 🔧 Transmission Standard Slk280 Transmission Type Slk280: 7-Speed Automatic (7G-TRONIC) Optional Slk350 Transmission Type Slk350: 7-Speed Automatic (7G-TRONIC) Manual Transmission Option: 6-speed Manual Transmission (less common for 2009 SLK350) Features Shift Modes: Comfort (C), Sport (S), Manual (M) shifting modes. Paddle Shifters: Available with 7G-TRONIC via steering wheel mounted paddle shifters on some models. 📐 Dimensions Exterior Length: 160.7 in (4082 mm) Width: 70.5 in (1791 mm) Height: 51.1 in (1298 mm) Wheelbase: 94.5 in (2400 mm) Cargo Trunk Volume Top Up: Approx. 10.1 cu ft (285 liters) Trunk Volume Top Down: Approx. 6.4 cu ft (181 liters) Weights Curb Weight Slk280: Approx. 3140-3200 lbs (1425-1450 kg) Curb Weight Slk350: Approx. 3200-3300 lbs (1450-1500 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (when tested for applicable configurations) IIHS Side Impact: Good (when tested for applicable configurations) Active Features ABS: Anti-lock Braking System Esp: Electronic Stability Program (ESP) Bas: Brake Assist System (BAS) Tire Pressure Monitoring: Standard on most models. Passive Features Airbags Front: Driver and front passenger adaptive airbags. Airbags Side: Front side airbags integrated into seat backs. Roll Bar: Integrated pop-up roll bars behind headrests for enhanced rollover protection. Seatbelts: 3-point inertia-reel seat belts with pretensioners and force limiters. 💡 Technology Features Infotainment System Name: COMAND APS (Cockpit Management and Navigation). Display: 7-inch color display, integrated into the dashboard. Navigation: Integrated GPS navigation with European maps (on this specific manual's likely coverage). Audio Sources: AM/FM tuner, CD/DVD player (supports MP3), Media Interface (for iPod/USB audio). Connectivity: Bluetooth connectivity for hands-free calling and audio streaming. Voice Control: Linguatronic voice control system for various functions. Driver Assistance Cruise Control: Standard cruise control. Parktronic: Optional parking aid system (visual and audible warnings). Connectivity Media Interface: Standardized interface for connecting external media devices (e.g., iPod, USB drives). 🔧 Maintenance Service Intervals Oil Change: Variable, based on Mercedes-Benz 'Active Service System' (ASSYST), typically every 10,000 miles or 12 months. Major Service: Check ASSYST for specific service requirements, often around 30,000-60,000 miles. Fluid Specifications Engine Oil: MB Approved 229.5 or 229.51 (e.g., Mobil 1 0W-40,...