Segment:
Compact premium roadster
Target Audience:
Enthusiasts and owners seeking to perform their own maintenance and repairs
Key Competitors 2015:
BMW Z4, Audi TT Roadster, Porsche Boxster
Convertible Roof:
Vario-Roof (retractable hardtop) with panoramic glass panel
Driving Dynamics:
Agile handling, sporty suspension, rear-wheel drive
Benefit To Owner:
Significant cost savings on maintenance and repairs, empowerment for DIY tasks
Ease Of Use:
Easy-to-follow step-by-step instructions and clear pictures
Engine Mechanical:
Full rebuild, component inspection, timing, cooling system, lubrication system, fuel system
Engine Electrical:
Ignition system, starting system, charging system, ECU diagnostics, sensor data
Transmission:
Automatic transmission (7G-TRONIC PLUS likely), manual transmission (if applicable), clutch, differential
Brakes:
Hydraulic system, ABS, ESP, brake pads, rotors, calipers, parking brake
Suspension:
Front and rear suspension components, struts, shocks, springs, control arms, anti-roll bars
Steering:
Power steering system, steering rack, tie rods, steering column
Electrical And Electronics:
Lighting system, power windows, mirrors, seats, wipers, horn, central locking, fuse box diagrams, relay locations
Body And Chassis:
Body panels, doors, hood, trunk, convertible roof mechanism (Vario-Roof), frame, underbody
HVAC:
Air conditioning system, heating, ventilation, climate control unit
Infotainment And Navigation:
Audio system, COMAND NTG 4.5/4.7, GPS navigation, display unit troubleshooting
Maintenance:
Oil changes, filter replacements, fluid checks and top-ups, spark plug replacement, brake fluid flush
Troubleshooting:
Diagnostic procedures, fault code interpretation, symptom-based troubleshooting guides
Repair:
Component removal and installation, system diagnostics and repair, electrical component repair
Overhaul:
Engine overhaul, transmission rebuilds, differential rebuilds
Adjustment:
Wheel alignment, headlight aiming, parking brake adjustment
Technical Data:
Torque specifications, diagnostic trouble codes (DTCs), wiring diagrams, schematics, fluid capacities, wear limits
Depth:
Comprehensive (from basic maintenance to complex diagnostics and full rebuilds)
Level Of Detail:
Step-by-step instructions with accompanying pictures and diagrams
Slk200 Engine:
M274 DE20 Red., 2.0L Inline-4 Turbocharged (Gasoline Direct Injection)
Slk250 Engine:
M274 DE20 Red., 2.0L Inline-4 Turbocharged (Gasoline Direct Injection)
Slk350 Engine:
M276 DE35, 3.5L V6 Naturally Aspirated (Gasoline Direct Injection)
Amg Slk55 Engine:
M152 DE55, 5.5L V8 Naturally Aspirated (Gasoline Direct Injection)
Slk200 Horsepower:
Approx. 184 hp @ 5500 rpm
Slk200 Torque:
Approx. 200 lb-ft @ 1300-4000 rpm
Slk350 Horsepower:
Approx. 306 hp @ 6500 rpm
Slk350 Torque:
Approx. 273 lb-ft @ 3500-5250 rpm
Amg Slk55 Horsepower:
Approx. 422 hp @ 6800 rpm
Amg Slk55 Torque:
Approx. 398 lb-ft @ 4500 rpm
Fuel Type:
Premium Unleaded Gasoline (Octane Rating 91 or higher recommended)
Injection System:
Direct Injection (BOSCH HPI)
Length:
Approx. 4134 mm (162.8 in)
Width:
Approx. 1817 mm (71.5 in)
Height:
Approx. 1301 mm (51.2 in)
Wheelbase:
Approx. 2430 mm (95.7 in)
Trunk Volume Roof Up:
Approx. 335 liters (11.8 cu ft)
Trunk Volume Roof Down:
Approx. 225 liters (7.9 cu ft)
Curb Weight Slk200:
Approx. 1450 kg (3197 lbs)
Curb Weight Slk350:
Approx. 1540 kg (3395 lbs)
Curb Weight Amg Slk55:
Approx. 1595 kg (3516 lbs)
NHTSA Rating:
Likely received 4 or 5 star overall safety rating (specific year data may vary)
Stability Control:
ESP (Electronic Stability Program) standard
Braking Assist:
ABS (Anti-lock Braking System), BAS (Brake Assist)
Driver Assistance:
ATTENTION ASSIST (drowsiness detection), optional: DISTRONIC PLUS, Active Parking Assist, Lane Keeping Assist, Blind Spot Assist
Airbags:
Front airbags, side airbags, knee airbags, rollover protection system (integrated with headrests)
Seatbelts:
Pre-tensioning seatbelts, belt force limiters
Primary Infotainment System:
COMAND (Cockpit Management and Navigation) system, typically NTG 4.5 or 4.7
Display:
Center console mounted color display
Audio Options:
AM/FM radio, CD player, USB interface, Bluetooth connectivity, Harman Kardon surround sound system (optional)
Standard Driver Aids:
ABS, ESP, ATTENTION ASSIST, cruise control
Optional Driver Aids:
Adaptive Cruise Control (DISTRONIC PLUS), Parking Assist (Parktronic), Lane Keeping Assist, Blind Spot Assist, Bi-Xenon Headlights with Active Curve Illumination
Connectivity Features:
Bluetooth for hands-free calling and audio streaming, optional Mercedes-Benz Apps, USB connectivity
Oil Change Interval:
Typically every 10,000 miles or 1 year, whichever comes first (refer to manual for exact conditions)
Brake Fluid Change:
Every 2 years (24 months)
Engine Air Filter:
Every 30,000 - 40,000 miles or as indicated by service reminders
Cabin Air Filter:
Every 1 year or 10,000 miles
Engine Oil Type:
MB 229.5 or MB 229.51 approved synthetic oil (e.g., SAE 0W-40 or 5W-40 depending on climate)
Coolant Type:
Mercedes-Benz approved coolant/antifreeze (e.g., MB 325.0 or 326.0)
Transmission Fluid:
MB 236.14 (for 7G-TRONIC PLUS) or MB 236.15 (for 9G-TRONIC) specification ATF
Brake Fluid:
DOT 4 Plus (MB 331.0)
Common Issues R172:
Vario-Roof hydraulic system leaks/malfunctions, potential oil consumption in some early M274 engines, ignition coil failures, COMAND system glitches