Market Segment:
Compact premium roadster
Unique Selling Points:
Variable compression ratio (via supercharger), retractable hardtop (Vario-roof), compact and agile platform.
Primary Users:
Mechanical technicians, DIY enthusiasts, and Mercedes-Benz owners seeking comprehensive repair and maintenance knowledge.
Key Competitors:
BMW Z3, Porsche Boxster, Audi TT (later years).
Applicable Years:
1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
Coverage Areas:
Complete workshop service and repair
Manual Type:
Workshop Service Repair Manual
Systems Covered:
Engine, Transmission, Fuel System, Ignition System, Lubrication System, Exhaust System, Electrical System, Bodywork, Brakes, Suspension, Steering, HVAC
Engine Management:
Detailed coverage of engine control unit (ECU) functions, sensors, and actuators.
Interior Systems:
Includes diagnosis and repair of HVAC, power windows, door locks, and seating mechanisms.
Procedures Included:
Routine maintenance, troubleshooting, diagnostics, removal and installation, assemblies and disassemblies, overhaul, tune-ups
Diagnostic Troubleshooting:
Step-by-step guides for identifying and resolving common and complex faults using diagnostic tools and procedures.
Component Replacement:
Instructions for replacing all major components and sub-assemblies, from simple bulbs to complex drivetrain elements.
Special Tool Identification:
Identifies and illustrates specific Mercedes-Benz special tools required for certain adjustments or repairs.
Technical Depth:
Comprehensive, covering basic maintenance to advanced engine and transmission repairs, including proprietary component instructions.
Diagnostic Tools:
Mentions specific Mercedes-Benz diagnostic tools and procedures where applicable.
File Type:
PDF (Digital Electronic Delivery)
Delivery Method:
Fast and Free Electronic Delivery via Email
Print Quality:
High-resolution, suitable for printing detailed diagrams and text.
Emphasis Notations:
Includes WARNING, CAUTION, and NOTE notations for critical procedures and safety.
Organization Style:
Logically organized into sections and subsections for easy navigation and quick reference to specific repair tasks.
Engine Type:
Inline 4-cylinder, Supercharged (Kompressor)
Engine Displacement:
2.3 Liters (2295 cc)
Horsepower:
Approx. 192 hp @ 5300 rpm (U.S. spec)
Torque:
Approx. 200 lb-ft (280 Nm) @ 2500 rpm
Fuel Delivery:
Bosch Motronic Electronic Fuel Injection (EFI)
Ignition Type:
Electronic ignition with coil-on-plug
Coolant Type:
Mercedes-Benz approved coolant (e.g., G05 or equivalent)
Bore And Stroke:
87.0 mm x 92.4 mm
Valvetrain Configuration:
SOHC, 3 valves per cylinder (2 intake, 1 exhaust)
Supercharger Type:
Roots-type supercharger
Length:
Approx. 157.4 inches (3998 mm)
Width:
Approx. 67.7 inches (1720 mm)
Height:
Approx. 50.7 inches (1288 mm)
Wheelbase:
Approx. 82.7 inches (2100 mm)
Curb Weight:
Approx. 2900-3100 lbs (1315-1406 kg), depending on equipment
Crash Test Rating Us:
Refer to NHTSA and IIHS reports for specific model year evaluations. Generally considered safe for its class.
Active Safety Systems:
Anti-lock Braking System (ABS), Traction Control System (TCS, often called ASR - Anti-Slip Regulation)
Passive Safety Features:
Front airbags, side airbags, roll-over protection (pop-up bars), reinforced A-pillars.
Audio System:
Factory-fitted radio/cassette or CD player with optional premium sound systems (e.g., Bose).
Vario Roof System:
Fully automatic electro-hydraulic retractable hardtop, a hallmark feature of the SLK.
HVAC System:
Manual or optional automatic climate control.
Driver Assistance Features:
Cruise control.
Seat Adjustment:
Manual or power-adjustable seats with memory functions on some models.
Oil Change Interval:
Typically every 10,000 miles (16,000 km) or 12 months, whichever comes first, under normal driving conditions. Refer to specific model year recommendations.
Engine Oil Specification:
SAE 0W-40 or 5W-40, meeting MB 229.5 specification. Check dipstick for capacity.
Coolant Capacity:
Approx. 7.5 - 8.0 liters
Brake Fluid:
DOT 4 or DOT 4 Plus (MB Specification 331.0)
Power Steering Fluid:
MB Specification 236.3 Hydraulic Fluid (typically Pentosin CHF 11S or equivalent)
Common Problems:
Vario-roof hydraulic system leaks or malfunctions, mass airflow sensor (MAF) issues, ignition coil failures, supercharger belt wear, rust on wheel arches and rocker panels.
Electrical Quirks:
Occasional issues with window regulators, mirror motors, and central locking actuators.
Maintenance Schedule Overview
Routine Services:
Includes checks and replacements of spark plugs, air filters, cabin filters, brake fluid, power steering fluid, and differential fluid as per schedule.
Spark Plug Type:
NGK PFR5G-11 (or equivalent, consult manual for specific recommendations)
Wheel Bolt Pattern:
5 x 112 mm
Recommended Tire Sizes:
Front: 205/55 R16, Rear: 225/50 R16 (common for base models, check specific trim)
Wheel Lug Bolt Torque:
100 Nm (74 lb-ft)
Brand Origins:
Founded in 1886 by Karl Benz and Gottlieb Daimler, Mercedes-Benz is synonymous with automotive innovation and luxury.
Slk R170 Introduction:
Introduced as a compact, two-seater roadster with a revolutionary Vario-roof (retractable hardtop) system, setting it apart from contemporary soft-top competitors.
R170 Facelift:
Received a significant facelift for the 2000 model year, including updated bumpers, headlights, taillights, interior trim, and engine power increase for some variants.
Engine Upgrades:
The 'Kompressor' designation signifies the addition of an engine-driven supercharger for increased performance, a defining feature of the 230 model.
Manufacturing Plant:
Bremen, Germany
