Vehicle Segment:
Compact premium roadster / sports car.
Brand Positioning:
Represents Mercedes-Benz's entry into the compact roadster market with luxury and performance.
Key Competitors:
BMW Z4, Audi TT Roadster, Porsche Boxster.
Manual Value Proposition:
Provides professional-grade repair and maintenance information, empowering owners and independent shops to service the vehicle accurately.
Unique Selling Points:
Vehicle-specific (not generic), exact same content as dealer technicians use, comprehensive A-Z coverage, detailed step-by-step instructions with diagrams and schematics, digital format for ease of use and portability.
All Models:
Yes, covers all R172 variants for 2017.
Repair Scope:
A-Z repairs, maintenance, service, diagnostics.
Estimated Page Count:
Extensive (exact number not specified, but described as comprehensive, suggesting several thousand pages).
Manual Type:
Factory-authorized Service and Repair Manual
Delivery Method:
Digital Download
Powertrain:
Engine, Fuel System, Emission Control, Intake, Exhaust, Cooling, Lube, Ignition, Starting, Charging, Automatic Transmission, Manual Transmission, Transfer Case (if applicable), Drive Shaft, Differential, Axle.
Chassis:
Suspension, Tires, Wheels, Brakes (Control & Service), Parking Brake, Steering Column, Power Steering.
Electrical Electronics:
Air Conditioning, Supplemental Restraint System (SRS), Seatbelts, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Locks, Meter, Audio/Visual Systems, Horn, Windshield/Glass/Mirrors, Instrument Panel, Body Electrical, Multiplex Communication (CAN Bus).
Body Interior:
Seats, Engine Hood/Doors, Exterior & Interior Trim.
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, inspections.
Diagnostics:
Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnosis.
Repair:
Step-by-step repair procedures for all covered systems, including component removal, installation, and adjustment.
Specifications:
Torque specifications, clearances, fluid capacities, electrical specifications, component data.
Wiring Schematics:
Comprehensive electrical wiring diagrams for all vehicle systems.
Depth Of Coverage:
Factory-level, detailed, designed for professional technicians, covering everything from basic maintenance to complex electrical diagnostics and powertrain overhauls.
Searchability:
Likely text-searchable due to PDF format and professional origination.
Printability:
All pages are printable.
Image Quality:
High-resolution illustrations and diagrams, with ability to enlarge and print.
Binding Type:
Digital (PDF), no physical binding.
Paper Type:
Not applicable (digital format), but designed to be printed on standard paper.
Operating Systems:
Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac compatible.
Required Software:
Adobe PDF Reader, Winzip (free online).
Engine Options 2017:
Likely includes: SLK 200 (M274 1.8L Turbo), SLK 300 (M274 2.0L Turbo), SLK 350 (M276 3.5L V6).
Horsepower Range:
Approximately 181 hp to 302 hp depending on engine variant.
Torque Range:
Approximately 200 lb-ft to 273 lb-ft depending on engine variant.
Fuel Delivery:
Direct Injection (likely for M274 and M276 engines).
Fuel Type:
Premium Unleaded Gasoline.
Transmission Type Standard:
Likely 6-speed Manual or 7-speed Automatic (7G-TRONIC PLUS) depending on engine and model.
Transmission Type Optional:
9-speed Automatic (9G-TRONIC) was introduced later in the R172 lifecycle, but potentially available on higher trims in 2017.
Transmission Features:
Paddle shifters, sport modes, adaptive programming.
Length:
Approx. 162.4 inches (4,125 mm)
Width:
Approx. 70.5 inches (1,790 mm)
Height:
Approx. 51.7 inches (1,315 mm)
Wheelbase:
Approx. 94.5 inches (2,400 mm)
Curb Weight Range:
Approx. 3,100 - 3,400 lbs (1,400 - 1,550 kg) depending on engine and equipment.
NHTSA Rating:
Likely achieved high safety ratings from NHTSA and IIHS, as is typical for Mercedes-Benz.
Active Safety Systems:
ABS, EBD, Traction Control, Stability Control (ESP), Brake Assist, Tire Pressure Monitoring System (TPMS).
Passive Safety Features:
Front airbags, side airbags, head airbags, roll bar system (pop-up), seatbelt pretensioners.
Driver Assistance Options:
Blind Spot Assist, Lane Keeping Assist (potentially), Adaptive Brake Lights.
Infotainment System:
COMMAND infotainment system with color display, Bluetooth connectivity, optional navigation, USB/Aux input.
Adas Availability:
Availability of features like Attention Assist, Collision Prevention Assist, parking sensors, and rearview camera depending on trim level and options.
Connectivity Options:
Bluetooth hands-free calling and audio streaming, optional Mercedes-Benz Apps integration.
Vario Roof System:
Electrically operated retractable hardtop (Vario-Roof) with optional panoramic glass roof insert (AIRSCARF and AIRGUIDE may also be optional).
Oil Change Interval:
Typically every 10,000 miles or 1 year, whichever comes first, based on 'Flexible Service System' (ASSYST), but consult manual for specific vehicle conditions.
Major Service:
Major services (e.g., spark plugs, transmission fluid, brake fluid) usually around 30,000 - 60,000 miles, highly dependent on specific component and driving conditions. Manual will detail 'Service A' and 'Service B' intervals.
Engine Oil Spec:
Requires specific MB-Approval engine oils, such as MB-Approval 229.5 or 229.51 (e.g., Mobil 1 0W-40, Castrol EDGE Professional 5W-30). Exact spec depends on engine variant and climate.
Transmission Fluid Auto:
MB-Approval specification for automatic transmission fluid (e.g., MB 236.14 for 7G-TRONIC PLUS). Specific fluid type is critical.
Coolant Spec:
Mercedes-Benz specified silicate-free coolant (e.g., MB 325.0 or 326.0), typically a blue or green concentrate mixed with distilled water.
Common Issues R172:
While generally reliable, potential minor issues can include infotainment system glitches, convertible top mechanism lubrication/adjustment, and occasional sensor issues. The manual will guide diagnosis and repair.
Mercedes Benz Roadsters:
Mercedes-Benz has a long history of iconic roadsters, dating back to the 300 SL 'Gullwing' and subsequent models like the SL and SLR.
R172 Development:
The R172 generation replaced the R171. It introduced modern styling, improved technology, and a more refined driving experience. The 2016 facelift rebadged it as the SLC-Class.
Production Location:
Bremen, Germany.
