Vehicle Segment:
Compact Luxury Sports Roadster
Key Competitors 2014:
BMW Z4, Porsche Boxster, Audi TT Roadster, Chevrolet Camaro Convertible, Ford Mustang Convertible
Vehicle Philosophy:
Combines Mercedes-Benz luxury and engineering with the driving pleasure of a compact roadster, featuring the innovative VARIO-ROOF (retractable hardtop).
Target Audience:
Owners seeking to perform their own maintenance and repairs, independent repair shops, enthusiast mechanics.
Primary Coverage:
Service, Repair, Troubleshooting
Secondary Coverage:
Maintenance, Diagnostics, Technical Data
Diagnostic Procedures:
Systematic troubleshooting guides, diagnostic trouble code (DTC) explanations, and repair strategies.
Estimated Pages:
Hundreds (as stated in description, precise count not provided)
Type:
Factory Service Repair Workshop Manual
Type Clarification:
Factory-level, used by professional mechanics and technicians.
Language:
English (presumed, based on product description language)
Digital Format:
PDF Download
Powertrain:
Engine Mechanical, Fuel System, Ignition System, Emission Control, Cooling System, Lubrication System
Drivetrain:
Transmission (Automatic, Manual if applicable), Drive Axles, Differential
Chassis:
Suspension (Front & Rear), Steering System, Brake System (Hydraulic & Electronic Controls), Wheels & Tires
Electrical:
Engine Control Module (ECM), Transmission Control Module (TCM), Body Control Module (BCM), Lighting System, Instrument Cluster, Audio System, Navigation System, Climate Control, Power Accessories (Windows, Locks, Mirrors), SRS (Airbag) System
Body:
Exterior Body Panels, Interior Trim, Convertible Hardtop Mechanism, Doors, Hood, Trunk
Body Control Module Integration:
Covers Body Control Module (BCM) functions, CAN bus communication, and related diagnostics.
Convertible Roof System:
Detailed procedures for the operation, maintenance, troubleshooting, and repair of the VARIO-ROOF retractable hardtop mechanism and its hydraulic/electrical components.
Maintenance:
Scheduled Maintenance, Oil Changes, Filter Replacements, Fluid Checks & Replacements, Belt Inspection & Replacement
Repair:
Component Removal & Installation, Overhaul Procedures, System Diagnostics & Repair, Wiring Harness Repair
Troubleshooting:
Diagnostic Trouble Codes (DTCs), Symptom-Based Troubleshooting, Electrical Schematics Interpretation, Mechanical Diagnosis
Recalibration Procedures:
Covers procedures like throttle body relearn, steering angle sensor calibration, and potentially transmission adaptive relearn.
Depth:
Comprehensive: From basic fluid checks to complex electrical diagnostics and complete mechanical overhauls.
Detail Level:
Detailed step-by-step instructions, exploded diagrams, wiring schematics, torque specifications, and diagnostic procedures.
Wiring Schematics Detail:
Comprehensive electrical wiring diagrams for all vehicle systems.
Searchable:
Likely searchable text within PDF (typical for factory manuals)
Content Type:
Hundreds of pages with detailed photos & diagrams. Professional Manual.
Printable:
Yes, full manual or individual pages printable.
Diagram Quality:
High-resolution, detailed exploded diagrams and pictures for clarity in repair procedures.
Binding:
N/A (Digital Download - PDF)
Paper Quality:
N/A (Digital Download - PDF)
Operating Systems:
Windows and macOS
Usage Rights:
Lifetime use on unlimited devices, no expiry date.
Engine Code Example:
M271 (for SLK 250), M276 (for SLK 350)
Configuration Example Slk250:
1.8L Inline-4 Turbocharged (M271.8XX)
Configuration Example Slk350:
3.5L V6 Naturally Aspirated (M276.9XX)
Horsepower Slk250 Approx:
201 hp @ 5500 rpm
Torque Slk250 Approx:
229 lb-ft @ 2000-4200 rpm
Horsepower Slk350 Approx:
302 hp @ 6500 rpm
Torque Slk350 Approx:
273 lb-ft @ 3500-5250 rpm
Injection Type:
Direct Injection (for M276, likely for updated M271 variants)
Fuel Type:
Premium Unleaded Gasoline (91 Octane or higher recommended)
Engine Codes:
Includes details for various M271, M274, and M276 variants specific to the R172 chassis.
Transmission Slk250:
7G-TRONIC PLUS Automatic Transmission
Transmission Slk350:
7G-TRONIC PLUS Automatic Transmission
Manual Transmission Availability:
Limited or not available for 2014 R172 in most markets, check specific region.
Transmission Features:
Paddle shifters, Sport and ECO modes
NHTSA Rating Example:
5-Star Overall Safety Rating (typical for Mercedes-Benz vehicles of this era)
Active Safety List:
ABS, EBD, BA (Brake Assist), ESP (Electronic Stability Program), Traction Control, Tire Pressure Monitoring System (TPMS)
Passive Safety List:
Front Airbags, Side Airbags, Knee Airbags (driver), Roll-Over Protection System (integrated into roll bar), Active Head Restraints (NECK-PRO)
Infotainment System:
COMAND APS (or similar, depending on trim/options)
Features Example:
HDD navigation, CD/DVD player, USB/Aux input, Bluetooth connectivity, optional Harman Kardon surround sound.
Driver Assistance Options:
Optional: DISTRONIC PLUS (adaptive cruise control), COLLISION PREVENTION ASSIST, Active Parking Assist, Lane Keeping Assist, Blind Spot Assist, Attention Assist.
Connectivity Features:
Bluetooth for hands-free calling and audio streaming, USB interface.
Oil Change Interval Guideline:
Typically every 10,000 miles or 12 months, whichever comes first, or as indicated by the 'Service A' or 'Service B' indicator on the dashboard.
Major Service Guideline:
Refer to manual for specific intervals for transmission fluid, coolant, brake fluid, spark plugs, and air filters (e.g., 'Service B' often includes more items).
Engine Oil Spec Example:
MB 229.5 or MB 229.51 (e.g., Mobil 1 0W-40 or 5W-40 synthetic)
Transmission Fluid Spec Example:
MB 236.14 (for 7G-TRONIC PLUS)
Coolant Spec Example:
MB 325.0 or MB 326.0 (Propylene Glycol based, blue or green)
Brake Fluid Spec:
DOT 4 Plus (MB 331.0)
Power Steering Fluid Spec:
Typically uses Pentosin CHF 11S or equivalent for electro-hydraulic steering systems if applicable to R172. Verify in manual.
Common Issues To Check:
Water pump leaks (especially M271), O2 sensor failures, HVAC blower motor resistor issues, Vario-Roof mechanism electrical gremlins, minor oil leaks from valve cover gaskets or oil filter housing.
Brand History Points:
Founded in 1886 by Karl Benz and Gottlieb Daimler, Mercedes-Benz is synonymous with automotive innovation, luxury, and engineering excellence.
Slk Heritage:
The SLK Class began in 1996 with the R170 generation, offering a compact, stylish roadster experience with a retractable hardtop. The R171 followed in 2004, and the R172 (introduced in 2011) represented a significant evolution in design, technology, and performance.
R172 Production Years:
2011-2020 (as SLK Class until 2015, then renamed SLC Class)
Manufacturing Location:
Bremen, Germany
