Product Name:
Mercedes-Benz R170 SLK-Class Technical Manual
Applicable Years:
1996-2004 (covering the entire R170 generation)
Generation Introduction:
The R170 SLK-Class marked Mercedes-Benz's entry into the compact premium roadster segment, debuting in 1996. It was distinguished by its innovative Vario-Roof electro-hydraulic retractable hardtop.
Model Codes:
SLK 200, SLK 230 Kompressor, SLK 32 AMG Kompressor, SLK 200 Kompressor, SLK 250 D
Segment:
Compact premium roadster.
Usp:
The groundbreaking Vario-Roof retractable hardtop, offering coupe-like security and convertible freedom.
Competitors:
BMW Z3, Porsche Boxster, Audi TT Roadster (later models).
Design:
Compact, sporty, two-seater roadster with distinctive Mercedes-Benz styling.
Powertrain Options:
Inline-4 and V6 engines, many featuring supercharging (Kompressor) for enhanced performance.
Safety Innovations:
Roll-over bars integrated into the A-pillars, advanced airbag systems.
Primary Coverage:
Comprehensive factory service and repair for the Mercedes-Benz R170 SLK-Class.
Secondary Coverage:
Includes technical data, troubleshooting guides, and specific repair procedures.
Estimated Page Count:
Likely over 1000 pages (typical for comprehensive factory manuals, though not explicitly stated).
Type:
Factory Service Repair Workshop Manual
Delivery Format:
Digital Download (PDF)
Compatibility:
All PC-based Windows operating systems, Mac, iOS (iPhone, iPod), Android.
Powertrain:
Engine (Kompressor variants, naturally aspirated), Transmission (Manual and Automatic).
Chassis And Drivetrain:
Suspension (front and rear), Steering, Brakes (including ABS/BAS), Wheels and Tires, Drivetrain components.
Body And Interior:
Body panels, Vario-Roof system, Doors, Hood, Bumpers, Interior trim, Seats, Airbags.
Electrical And Electronics:
Wiring diagrams, ECUs, Lighting, Instrumentation, Audio system, Climate control system, Power windows, Remote central locking, Traction Control (ASR/ESP), Cruise Control.
Climate Control:
HVAC system operation, diagnosis, and repair of components such as compressor, evaporator, heater core, blower motor, and control modules.
Traction Control:
Detailed explanation and diagnostic procedures for ASR (Acceleration Slip Regulation) and ESP (Electronic Stability Program) systems.
Routine Maintenance:
Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection and replacement.
Component Repair And Replacement:
Engine overhaul, transmission service, brake caliper replacement, suspension strut installation, Vario-Roof actuator repair, sensor replacement.
Troubleshooting:
Systematic diagnostic procedures, fault code interpretation, and problem resolution for various vehicle systems.
Special Tools:
Identification and usage of specific tools required for certain repair and maintenance tasks.
Depth:
Highly detailed, covering complete disassembly and reassembly of major components and systems.
Illustrations And Photos:
Hundreds of photos and detailed illustrations to guide the user through procedures.
Target Audience:
Suitable for both DIY enthusiasts and experienced professional mechanics.
Engine Variants:
M111 (2.0L & 2.3L Supercharged Inline-4), M112 (3.2L V6, naturally aspirated and supercharged for AMG).
Slk 200 Kompressor (M111 E20 Ml):
Approx. 192 hp @ 5300 rpm, 207 lb-ft @ 2500-4900 rpm.
Slk 230 Kompressor (M111 E23 Ml):
Approx. 194 hp @ 5300 rpm, 207 lb-ft @ 2500-4500 rpm (later facelifted to 215 hp).
Slk 32 Amg Kompressor (M112 E32 Ml):
Approx. 354 hp @ 6100 rpm, 332 lb-ft @ 3500 rpm.
Fuel Delivery:
Electronic Fuel Injection (EFI) with multi-port injection.
Required Fuel:
Premium Unleaded gasoline (91 RON or higher recommended).
Coolant Type:
Mercedes-Benz approved G48 Antifreeze (blue-green).
Transmission Type:
5-speed manual (early models), 6-speed manual (later facelift models).
Automatic Transmission:
5-speed automatic (722.6 for V6/AMG, 722.7 for I4), 5-speed automatic with SpeedShift (select models).
Transmission Fluid:
MB Approved ATF (e.g., MB 236.10 or 236.14 for 722.6; MB 236.12 for 722.7).
Length:
Approx. 3995 mm (157.3 in)
Width:
Approx. 1715 mm (67.5 in)
Height:
Approx. 1300 mm (51.2 in)
Curb Weight:
Approx. 1310-1470 kg (2888-3240 lbs), depending on engine and equipment.
Gross Vehicle Weight Rating:
Typically around 1700 kg (3748 lbs).
NHTSA Rating:
NHTSA ratings were not as standardized during the early R170 production. However, Mercedes-Benz vehicles of this era were known for robust safety structures.
Active Safety:
Anti-lock Braking System (ABS), Acceleration Slip Regulation (ASR), optional Electronic Stability Program (ESP).
Passive Safety:
Front airbags, Side airbags, strong safety cell construction, integrated roll-over protection bars.
Audio System:
Factory installed head units with CD player and AM/FM radio. Optional navigation systems (APS).
Speaker Configuration:
Typically 6 or 8 speaker configurations.
Cruise Control:
Standard or optional cruise control system.
Windshield Wipers:
Rain-sensing wipers were optional on later models.
Phone Integration:
Early models might have provisions for cellular phones, often requiring specific cradles and adapters. UHI (Universal Hands-free Interface) was introduced later.
Major Service Interval:
Typically every 10,000 miles (16,000 km) or 12 months, whichever comes first. This includes oil/filter changes, thorough inspection of all systems.
Transmission Service:
Automatic transmission fluid and filter change recommended every 50,000-70,000 miles (80,000-110,000 km).
Engine Oil Grade:
SAE 0W-40 or 5W-40, meeting MB 229.3 or 229.5 specifications.
Engine Oil Capacity:
Approx. 6.5 liters (6.9 US quarts) for M111 engines, 8.0 liters (8.5 US quarts) for M112 engines.
Vario Roof Actuators:
Leaking hydraulic lines and failing actuators are a common concern for the Vario-Roof system. The manual would detail diagnosis and repair.
Mass Air Flow Sensor:
Can become faulty, leading to poor engine performance and check engine lights, especially on Kompressor models.
Idler Pulleys And Tensioners:
Wear on serpentine belt idler pulleys and tensioners can lead to noise and belt failure.
Mercedes Benz Roadster Legacy:
Follows a lineage of iconic Mercedes-Benz roadsters like the 300SL 'Gullwing' and the 190SL, reinterpreting the concept for a modern era.
Facelift:
The R170 received a significant facelift in 2000, which included revised front and rear styling, updated interior materials, more powerful engines (especially the SLK 32 AMG), and improved Vario-Roof hydraulics.
Production Years:
1996-2004.
Manufacturing Locations:
Bremen, Germany.
