Vehicle Class:
Compact Luxury Sports Roadster
Target Audience:
Enthusiasts, DIY mechanics, owners seeking to maintain or repair their R171 SLK.
Competitors:
BMW Z4, Audi TT Roadster, Porsche Boxster.
Vehicle Feature:
Vario-roof (retractable hardtop), agile handling, premium interior, performance engines.
Cost Savings:
Enables owners to save significant money on repair and maintenance costs.
Accessibility:
Downloadable, printable, usable on various devices, requiring only Adobe Reader.
Engine Mechanical:
Engine assembly, disassembly, internal components, lubrication, cooling, fuel delivery, ignition, emissions control.
Engine Management:
ECU diagnostics, sensors, actuators, electronic engine controls (ETC).
Transmission:
Automatic and Manual transmissions (if applicable to 2010 R171), gearbox overhaul, shifting mechanisms, electronic controls, fluid services.
Drivetrain:
Driveshafts, differentials, axle shafts, CV joints, wheel bearings.
Brakes:
Brake system components (discs, pads, calipers, lines), ABS, ESP, SBC (if applicable), hydraulic systems, parking brake.
Suspension:
Front and rear suspension, shock absorbers, struts, springs, control arms, ball joints, steering knuckles, alignment.
Steering:
Power steering system, steering rack, tie rods, steering column, power steering fluid.
Electrical System:
Battery, charging system (alternator, starter), lighting, horn, wipers, power windows, power seats, central locking.
Electronics:
CAN bus system, comfort modules, body control module (BCM), diagnostic connectors, instrument cluster, infotainment systems.
Body And Chassis:
Frame, body panels, doors, hood, trunk, roof (including vario-roof), interior trim, seals.
Comfort Systems:
HVAC (heating, ventilation, air conditioning), climate control, heated seats, vario-roof operation and mechanisms.
Routine Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection and replacement.
Troubleshooting:
Diagnostic procedures for common problems, fault code interpretation, symptom-based troubleshooting guides.
Repair Procedures:
Step-by-step instructions for component removal, repair, and reinstallation.
Component Overhaul:
Detailed instructions for rebuilding major components like engines and transmissions.
Electrical Diagnostics:
Wiring diagrams, circuit testing, component testing, troubleshooting electrical faults.
Vario Roof Repair:
Specific procedures for the operation, maintenance, and repair of the retractable hardtop system.
Safety System Calibration:
Calibration procedures for ABS, ESP, and other safety-related systems.
Depth:
Comprehensive, covering basic maintenance to complete engine and transmission rebuilds.
Engine Options 2010:
Likely includes the SLK250 (1.8L Supercharged Inline-4, M271), SLK350 (3.5L V6, M272), and potentially AMG SLK55 (5.4L V8, M113).
Slk250 Horsepower:
Approx. 201 hp
Slk250 Torque:
Approx. 229 lb-ft
Slk350 Horsepower:
Approx. 268 hp
Slk350 Torque:
Approx. 258 lb-ft
Injection Type:
Bosch Motronic electronic fuel injection (EFI)
Engine Oil Type:
Refer to manual for specific MB 229.5 or MB 229.51 approved synthetic oils (e.g., Mobil 1 0W-40, 5W-40).
Coolant Type:
Mercedes-Benz approved coolant (e.g., MB 325.0 or MB 326.0) mixed with distilled water.
Standard Transmission Type:
Likely 6-speed manual (optional on some variants) or 7-speed automatic (7G-TRONIC).
Optional Transmission Type:
7-speed automatic (7G-TRONIC) on most models.
Transmission Features:
Adaptive shifting logic, manual shifting mode (Tiptronic).
Automatic Transmission Fluid:
Refer to manual for specific MB 236.14 approved ATF (e.g., MB 001 989 68 04).
Oil Change Interval:
Variable, based on Mercedes-Benz's 'ASSYST' flexible service system, typically every 10,000-15,000 miles or annually, whichever comes first.
Major Service Intervals:
Refer to the manual for 'Service A', 'Service B', and subsequent major services, which typically involve brake fluid changes, coolant flushes, transmission service, etc., at intervals like 30,000-50,000 miles.
Brake Fluid Type:
DOT 4 Plus (MB 331.0 approved)
Power Steering Fluid:
Pentosin CHF 11S or equivalent hydraulic fluid.
Common Issues:
Vario-roof hydraulic leaks/malfunctions, MAF sensor issues on some engines, SAM module faults, window regulator problems, evaporator core leaks (HVAC), differential seal leaks.
Common Fixes:
Replacement of seals and hoses for vario-roof, cleaning or replacement of MAF sensor, diagnosing and replacing faulty SAM modules, lubricating or replacing window regulators, replacing evaporator core, replacing differential seals.
Brand Focus:
Mercedes-Benz is renowned for luxury, engineering excellence, and safety.
R171 Introduction:
The R171 generation was introduced in 2004, replacing the R170. It featured a redesigned exterior, improved interior, and the innovative Vario-roof.
R171 Facelift:
A significant facelift occurred in 2008, introducing revised bumpers, headlights, grille, and interior trim, as well as updated engines and technology.
Production Period:
2004-2010 (R171 generation)
