Mercedes R170 2003 Workshop Service Repair Manual

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🏷️ Basic Information Identification Make: Mercedes-Benz Model: SLK-Class Chassis Code: R170 Year: 2003 Codes Engine Code Primary: M111.973 Engine Code Optional Usdm: M112.942 (for SLK32 AMG) Transmission Code Primary: 716.645...

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类型: Car

斯库: 419066

标签: 2003 Car Cars Mercedes Misc R170

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Description

🏷️ Basic Information

Identification

Make:

Mercedes-Benz

Model:

SLK-Class

Chassis Code:

Year:

Codes

Engine Code Primary:

M111.973

Engine Code Optional Usdm:

M112.942 (for SLK32 AMG)

Transmission Code Primary:

716.645 (5-speed Manual), 722.606 (5-speed Automatic)

👋 Introduction

Market Position

Market Segment:

Compact Luxury Roadster / Sports Car

Competitive Analysis

Key Competitors:

BMW Z3/Z4, Audi TT, Porsche Boxster, Honda S2000

Key Features

Body Style:

Two-seater convertible with retractable hardtop (Vario-roof)

Target Audience:

Enthusiasts seeking a premium, stylish, and engaging driving experience

📋 Manual Details

Coverage Areas

Coverage:

Complete Workshop Service Repair Manual

Page Count

Page Count:

Hundreds of pages (exact count not specified, but implied to be comprehensive)

Manual Type

Manual Type:

Factory Service Repair Manual

Language

Language:

English

Format

Format:

Downloadable (PDF implied)

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Detailed overhaul, repair, and troubleshooting for all engine variants

Engine Electrical:

Ignition system, fuel injection, starting and charging, sensors, ECUs

Transmission Manual:

Clutch, gearbox, linkages, overhaul procedures

Transmission Automatic:

Torque converter, valve body, hydraulic controls, solenoids, electronic control module

Drivetrain:

Rear axle, driveshafts, CV joints

Suspension:

Front and rear suspension components, struts, springs, control arms, bushings

Steering:

Power steering system, rack and pinion, steering column, linkages

Brakes:

Front and rear brake systems (disc), ABS, EBD, brake lines, calipers, pads, rotors

Body Structure:

Chassis components, body panels, frame repair

Body Interior:

Trim, seats, dashboard, controls

Body Exterior:

Doors, hood, trunk, convertible top mechanism, bumpers, lighting

HVAC:

Air conditioning, heating, ventilation, climate control system

Electrical System:

Wiring diagrams, lighting, switches, relays, fuses, battery

Infotainment Audio:

Radio, speakers, navigation system (if equipped)

Safety Systems:

Airbags, seatbelts, ABS, ESP (Electronic Stability Program)

Convertible Top:

Hydraulic system, mechanisms, troubleshooting for the vario-roof

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, fluid checks, spark plugs

Diagnostic Procedures:

Troubleshooting guides, fault code interpretation, component testing

Engine Repair:

Engine rebuilds, cylinder head service, piston and connecting rod installation

Transmission Service:

Fluid and filter changes, overhaul procedures for both manual and automatic transmissions

Brake Service:

Brake pad and rotor replacement, brake bleeding, caliper servicing

Suspension Steering Repair:

Replacement of struts, shocks, control arms, tie rods, power steering pump

Electrical Component Replacement:

Alternator, starter, sensors, ECU replacement and programming

Body Panel Repair Replacement:

Door, fender, bumper replacement, convertible top mechanism repair

HVAC System Repair:

Refrigerant charging, compressor replacement, blower motor service

Technical Depth

Depth:

Comprehensive, from basic maintenance to complete engine and transmission rebuilds

Diagnostic Tools Required:

Covers procedures requiring specific Mercedes-Benz diagnostic tools (e.g., STAR Diagnosis)

📊 Manual Specifications

File Format

File Format:

PDF (likely, for download)

Print Quality

Print Quality:

High-resolution, suitable for professional printing

Binding Type

Binding Type:

N/A (downloadable format)

Paper Type

Paper Type:

N/A (downloadable format)

⚙️ Engine Specifications

Primary Engine

Engine Type Primary:

Inline-4 Cylinder, Supercharged

Engine Displacement Primary:

2.3 Liters (2295 cc)

Engine Code Primary Description:

M111 E23 ML (Kompressor)

Performance

Horsepower Primary:

194 hp @ 5500 rpm

Torque Primary:

201 lb-ft (272 Nm) @ 3500 rpm

Fuel System

Fuel Delivery Primary:

Electronic Fuel Injection (EFI) with Supercharger

Optional Engine Usdm

Engine Type Optional Usdm:

V6, Naturally Aspirated

Engine Displacement Optional Usdm:

3.2 Liters (3199 cc)

Engine Code Optional Usdm Description:

M112 E32

Horsepower Optional Usdm:

215 hp @ 5700 rpm (SLK320)

Torque Optional Usdm:

229 lb-ft (310 Nm) @ 3000-4250 rpm (SLK320)

High Performance Variant Usdm

Engine Type High Performance Usdm:

V6, Supercharged (AMG)

Engine Displacement High Performance Usdm:

3.2 Liters (3199 cc)

Engine Code High Performance Usdm:

M112 E32 ML (AMG)

Horsepower High Performance Usdm:

354 hp @ 6100 rpm (SLK32 AMG)

Torque High Performance Usdm:

332 lb-ft (450 Nm) @ 3500 rpm (SLK32 AMG)

🔧 Transmission

Standard

Transmission Type Standard:

5-Speed Manual (716.645)

Optional

Transmission Type Optional:

5-Speed Automatic (722.606) with Touchshift

Features

Automatic Transmission Features:

Driver-adaptive shift logic, manual shifting mode (Touchshift)

📐 Dimensions

Exterior

Length:

157.4 inches (4000 mm)

Width:

67.7 inches (1720 mm)

Height:

51.5 inches (1308 mm)

Wheelbase:

82.7 inches (2100 mm)

Weights

Curb Weight Approx Slk230:

3098 lbs (1405 kg)

Curb Weight Approx Slk320:

3153 lbs (1430 kg)

Curb Weight Approx Slk32 Amg:

3274 lbs (1485 kg)

🛡️ Safety Features

Ratings

NHTSA Front Impact Driver:

4 Stars (2003 Model Year)

NHTSA Front Impact Passenger:

4 Stars (2003 Model Year)

IIHS Side Impact:

Good (for models with side airbags)

Active Features

Active Safety Features:

ABS, Traction Control (ASR), Electronic Stability Program (ESP - standard on most models)

Passive Features

Passive Safety Features:

Driver and Passenger Airbags, Side Airbags (optional/standard depending on trim), Rollover Protection (integrated roll bar)

💡 Technology Features

Infotainment

Infotainment System:

Mercedes-Benz Audio 10, Audio 30, or optional COMAND 2.0 navigation system

Audio Features:

CD player, AM/FM radio, optional CD changer

Driver Assistance

Driver Assistance Features:

Traction Control (ASR), Electronic Stability Program (ESP)

Connectivity

Connectivity Options:

Pre-wiring for phone (optional)

🔧 Maintenance

Service Intervals Engine Oil

Oil Change Interval:

Every 10,000 miles or 12 months, whichever comes first (synthetic oil recommended)

Service Intervals Filters

Air Filter Replacement:

Every 30,000 miles or as needed based on driving conditions

Cabin Filter Replacement:

Every 15,000 miles or 12 months

Fuel Filter Replacement:

Every 30,000 miles

Service Intervals Spark Plugs

Spark Plug Replacement M111:

Every 100,000 miles (iridium spark plugs)

Spark Plug Replacement M112:

Every 100,000 miles (iridium spark plugs)

Fluid Specifications

Engine Oil Type:

SAE 0W-30 or 0W-40 Full Synthetic (MB 229.5 or 229.1 specification)

Coolant Type:

Glysantin G48 (MB 325.0) or equivalent blue/green ethylene glycol coolant

Brake Fluid Type:

DOT 4 Plus (MB 331.0 specification)

Automatic Transmission Fluid Type:

MB 236.10 or MB 236.14 (e.g., Pentosin ATF1, Mobil ATF 134)

Manual Transmission Fluid Type:

MB 235.10 (e.g., Mobil Syntrans B 75W-80)

Known Issues

Common Issue Cracked Intake Manifold M111:

Plastic intake manifolds on M111 engines can become brittle and crack, leading to vacuum leaks and poor running.

Common Issue Mass Air Flow Sensor:

MAF sensor failure can cause rough idling, poor acceleration, and check engine lights.

Common Issue Convertible Top Hydraulics:

Hydraulic cylinders for the Vario-roof can leak, causing the roof to operate slowly or not at all.

Common Issue Evaporative Emission Control System:

Faults in the EVAP system (e.g., charcoal canister, purge valve) can trigger check engine lights.

Common Issue Suspension Bushings:

Wear in control arm and subframe bushings can lead to clunks and poor handling.

Common Issue Window Regulators:

Window regulators, particularly the clips, can fail, preventing windows from operating.

📚 Vehicle History

Brand Heritage

Brand Focus:

Luxury, performance, and engineering excellence

Model Evolution

R170 Introduction:

Introduced in 1996 as a direct competitor to the BMW Z3.

R170 Facelift:

Received a significant facelift for the 2001 model year, introducing updated styling, engines, and features.

Production

Production Years:

1996-2004

Manufacturing Location:

Bremen, Germany

🏆 Awards & Recognition

Recognitions

Automotive Press Reviews:

Generally received positive reviews for its styling, handling, and the innovative Vario-roof system.

Safety Awards Context:

Awarded 4 stars in NHTSA front crash tests, indicating good occupant protection for its era.