🏷️ Basic Information Identification Make: Mercedes-Benz Model: SLK-Class Model Variant: SLK350 Sport Year: 2005 Generation Generation Code: R171 Codes Chassis Code: R171 👋 Introduction Market Position Segment: Compact Luxury Sports Roadster Competitive Analysis Competitors: BMW Z4, Audi TT, Porsche Boxster (entry-level trims), Chevrolet Corvette (lower trims). Key Features Vehicle Attributes: Retractable hardtop (VARIO-ROOF), rear-wheel drive, powerful V6 engine, premium interior materials, advanced safety features, distinctive styling. 📋 Manual Details Coverage Areas Coverage Summary: Introduction, Instrument Cluster, Entertainment Systems, Climate Controls, Lights, Driver Controls, Locks and Security, Seating and Safety Restraints, Driving, Customer Assistance, Reporting Safety Defects (U.S. only), Cleaning, Maintenance and Specifications, Engine Compartment, Engine Oil, Battery, Fuel Information, Air Filter(s), Part Numbers, Refill Capacities, Lubricant Specifications, Accessories, Service Information and Specifications, Maintenance Information and Specifications. Page Count Estimated Page Count: Approximately 350-450 pages (typical for this model year's owner's manual) Manual Type Type: Owner's Manual Language Language: English Format Format: Digital PDF 📖 Manual Coverage Systems Covered Primary Systems: Engine operation, instrument and warning indicators, climate control system (THERMATIC/THERMOTRONIC), lighting functions, power windows and mirrors, central locking and anti-theft system, airbags and seatbelt pre-tensioners, seat adjustment, infotainment system (Audio 20/30), navigation system (if equipped), electronic stability program (ESP), ABS, cruise control, and basic vehicle settings. Procedures Included Maintenance Procedures: Checking and topping up engine oil, windshield washer fluid, and coolant; tire pressure checks; jump starting; changing tires; basic interior and exterior cleaning instructions; fuel recommendations; and routine checks before driving. Technical Depth Depth: Operational and basic maintenance level, focusing on user understanding and routine care. Does not include detailed diagnostic or repair procedures typically found in a Service Manual. 📊 Manual Specifications File Format File Type: PDF Print Quality Quality: Digital reproduction, quality depends on original source. Searchable text functionality is usually present if original was OCR'd. Binding Type Binding: N/A (Digital format) Paper Type Paper Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Code: M272 DE35 (3.5L V6) Performance Horsepower: 268 hp @ 6000 rpm Torque: 258 lb-ft @ 3500 rpm Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (SFI) Technical Details Bore X Stroke: 92.6 mm x 86.0 mm Compression Ratio: 10.7:1 Valvetrain: DOHC, 4 valves per cylinder with variable valve timing (VVT) 🔧 Transmission Standard Type: 6-speed manual transmission Optional Type: 7-speed automatic transmission (7G-TRONIC) Features Automatic Features: TouchShift manual gear selection 📐 Dimensions Exterior Length: 160.5 inches (4077 mm) Width: 70.5 inches (1791 mm) Height: 51.2 inches (1300 mm) Wheelbase: 94.5 inches (2400 mm) Weights Curb Weight: Approximately 3197 lbs (1450 kg) for manual, 3263 lbs (1480 kg) for automatic 🛡️ Safety Features Ratings NHTSA Front Impact Driver: Not specifically rated, but designed to meet all federal safety standards. (Mercedes-Benz typically achieves high internal standards). IIHS Side Impact: Good (Based on similar model year vehicles). Active Features Active Safety Systems: Anti-lock Braking System (ABS), Electronic Stability Program (ESP), Traction Control System (TCS), Brake Assist (BAS). Passive Features Passive Safety Features: Front airbags, side airbags, rollover protection system (integrated behind seats), seatbelt pre-tensioners, 3-point inertia-reel seatbelts. 💡 Technology Features Infotainment Infotainment System Name: Audio 20 (standard) or optional COMAND APS (with navigation) Audio Features: AM/FM radio, CD player, optional navigation, optional Harman Kardon premium sound system. Driver Assistance Cruise Control: Standard cruise control with speed limiter. Connectivity Connectivity Options: Optional Bluetooth connectivity for hands-free calling (often via an accessory adapter or integrated module). Convenience Keyless Go: Optional keyless entry and ignition system. Vario Roof: Electrically operated retractable hardtop with automatic climate control integration for optimal cabin temperature with the roof down. 🔧 Maintenance Service Intervals Oil Change Interval: Based on flexible service intervals (Assyst Plus system), typically every 10,000 - 15,000 miles or 12 months, whichever comes first. Check specific model's service indicator. Fluid Specifications Engine Oil Type: Synthetic engine oil, SAE 0W-40 or 5W-40, meeting Mercedes-Benz Specification 229.5. Coolant Type: Mercedes-Benz Approved Antifreeze/Coolant (e.g., G48 or equivalent), mixed 50/50 with distilled water. Transmission Fluid Manual: Manual transmission fluid meeting MB Specification 235.10 (e.g., Shell Spirax G5). Transmission Fluid Automatic: Automatic transmission fluid meeting MB Specification 236.10 or 236.12 (e.g., MB ATF 4274). Known Issues Common Wear Items: Variable valve timing (VVT) solenoids, mass air flow (MAF) sensors, ignition coils, oil cooler seals, front suspension components (bushings, ball joints), and the convertible top hydraulic system (especially seals and pumps if not maintained). Part Numbers Example Oil Filter Part Number: Mercedes-Benz Part No: A 272 180 00 09 (or equivalent from Mann, Mahle). Refill Capacities Engine Oil Capacity: Approximately 6.9 quarts (6.5 liters) with filter change. 📚 Vehicle History Brand Heritage Heritage Focus: Mercedes-Benz has a long history of producing luxury vehicles, sports cars, and pioneering safety technologies. Model Evolution R171 Generation: The R171 generation (2004-2010) introduced a more aggressive design and improved performance over its R170 predecessor. The SLK350 replaced the SLK320. Production Manufacturing...