🏷️ Basic Information

Make:

Mercedes-Benz

Model:

SL-Class

Model Code:

R107 / C107

Year Covered:

1986

Platform Code:

R107 (Roadster/Convertible), C107 (Coupe)

👋 Introduction

Market Position:

Essential resource for owners and independent technicians working on the 1986 Mercedes-Benz R107/C107 SL-Class, providing dealership-level repair information.

Target Audience:

Owners of 1986 Mercedes-Benz R107/C107 SL-Class, DIY enthusiasts, and professional independent repair shops.

Competitive Analysis:

Superior to generic repair guides by offering vehicle-specific, factory-level data for precise maintenance and repair, eliminating guesswork and generic advice.

Key Features:

Directly mirrors dealership technician manuals, comprehensive A-Z coverage, detailed diagrams, schematics, and specifications, digital format for portability and ease of use.

Digital Advantage:

Eliminates the need for physical manuals, preventing greasy pages or lost paper. Offers searchability and selective printing.

📋 Manual Details

All Models And Repairs A Z:

True

Comprehensive A Z Repair:

True

Page Count:

Not Specified, but comprehensive coverage implied

Manual Type:

Factory Service and Repair Manual

Manual Origin:

Dealership Technician Manual

Language:

English

Format:

Digital (PDF)

Software Requirements:

Adobe PDF Reader and Winzip (or equivalent unzipping software) required for access.

📖 Manual Coverage

Engine Systems:

Engine Mechanical, Fuel Service Specifications, Emission Control, Intake Exhaust Cooling, Lube, Ignition, Starting, Charging

Drivetrain Systems:

Auto Transmission Clutch, Manual Transmission, Transfer Propeller Shaft, Drive Shaft, Differential, Axle Suspension

Braking And Steering Systems:

Brake Control, Brake, Parking Brake, Steering Column, Power Steering

Control Systems:

Engine Control System diagnostics and repair.

Mechanical Systems:

General mechanical systems, adjustments, and specifications.

Emission Control Systems:

Emission control system components, diagnosis, and service.

Intake Exhaust Cooling Systems:

Intake manifold, exhaust system, and cooling system components and service.

Lubrication Systems:

Engine oiling system, lubrication specifications, and maintenance.

Ignition Starting Charging Systems:

Ignition system components, starter motor, alternator, and battery service.

Suspension Wheel Tire Systems:

Axle suspension, tire and wheel specifications, and alignment procedures.

Brake Systems:

Complete brake system coverage including hydraulic controls, parking brake, and related components.

Steering Systems:

Steering column, power steering system diagnosis and repair.

Climate Control Systems:

Air conditioning system components, refrigerant handling, and service.

Restraint And Safety Systems:

Supplemental Restraint System (SRS) basics (if applicable to 1986), seat belts, and related safety features.

Interior And Exterior Systems:

Door locks, wipers, washers, glass, mirrors, seats, engine hood, doors, exterior/interior trim, and instrument panel repairs.

Engine Immobilizer Cruise Control:

Engine immobilizer system and cruise control system operation and repair.

Electrical And Body Systems:

Electrical, Multiplex/Can Communication, Air Condition, Suppl Restraint System, Seat Belt, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Lock, Meter Audio/Visual, Horn, Windshield/Glass Mirror, Instrument Panel, Seat, Engine Hood/ Door, Exterior & Interior

Procedures Included:

Maintenance, Service, Diagnosis, Repair, Troubleshooting, Step-by-step instructions, Diagrams, Illustrations, Wiring Schematics, Specifications

Diagnostic Procedures:

Detailed diagnostic flowcharts and troubleshooting guides for various systems.

Repair Procedures:

Step-by-step instructions for dismantling, repairing, and reassembling all major vehicle components.

Wiring Schematics Coverage:

Complete and detailed wiring diagrams for all electrical systems, essential for diagnosis and repair.

Technical Depth:

Vehicle Specific, Technician Level Detail, Comprehensive A-Z Coverage

Detail Level:

Factory-level detail, equivalent to what Mercedes-Benz technicians use.

📊 Manual Specifications

File Format:

PDF (Adobe Acrobat Reader required)

File Organization:

Single, easy-to-use PDF manual, allowing for printing of specific pages.

Print Quality:

High Resolution, Printable Pages, Scalable Images

Image Scalability:

Images and diagrams can be blown up for enlarged viewing and printing.

Binding Type:

Digital (No physical binding)

Paper Type:

N/A (Digital format)

Compatibility:

Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac Compatible

⚙️ Engine Specifications

Engine Family:

M103 (Inline-6) and M117 (V8) - Specific engine variants depend on exact model within the 1986 lineup.

Engine Details:

The manual covers the maintenance, diagnosis, and repair of the specific engines offered for the 1986 SL-Class, including their unique performance characteristics.

Engine Performance Data:

Torque and horsepower curves, engine speed limits, and performance tuning recommendations (if applicable).

Fuel System Coverage:

Fuel injection systems (e.g., Bosch K-Jetronic or later electronic systems), fuel pumps, injectors, fuel pressure regulators, and related components.

Engine Variants Covered:

Likely covers 300SL (103 engine) and 560SL (117 engine) variants, with detailed specifications for each.

🔧 Transmission

Standard Transmission:

Likely 4-speed Automatic Transmission (e.g., 722.3) for most models, though manual transmissions might have been optional on certain configurations or markets.

Optional Transmission:

Manual transmissions may have been available on specific variants, coverage will be detailed if applicable.

Transmission Features:

Coverage includes automatic transmission servicing, fluid changes, adjustment procedures, and potential repair of common issues.

📐 Dimensions

Exterior Dimensions:

Specific dimensions for R107 (Roadster) and C107 (Coupe) vary by model and year, manual will contain exact specifications.

Curb Weight:

Varies by engine and body style (R107/C107); manual will provide exact figures for each variant.

🛡️ Safety Features

Safety Ratings:

While specific modern crash test ratings might not be directly applicable, the manual covers safety system maintenance and repair, contributing to overall vehicle safety.

Passive Safety Features:

Seat belts, body structure integrity, and related components are covered in the manual.

💡 Technology Features

Infotainment Systems:

Coverage for the original audio systems, speakers, and related electrical components of the era.

Driver Assistance Features:

Cruise control system operation and repair.

Connectivity Features:

Basic electrical system connectivity and troubleshooting.

🔧 Maintenance

Maintenance Schedule:

The manual provides detailed factory-recommended service intervals for all major maintenance items, from oil changes to brake fluid flushes and timing belt checks (if applicable to the engine variant).

Engine Oil Specification:

Specific viscosity grades (e.g., SAE 10W-40, 15W-40) and API service classifications will be detailed based on engine type and operating temperature, adhering to MB specifications.

Transmission Fluid Specification:

Specific ATF (Automatic Transmission Fluid) types, such as MB 236.1 or equivalent, will be listed for automatic transmissions.

Coolant Specification:

Mercedes-Benz approved coolant types and mixing ratios for optimal corrosion protection and heat transfer.

Brake Fluid Specification:

DOT 3 or DOT 4 brake fluid, conforming to Mercedes-Benz standards, will be specified.

Power Steering Fluid Specification:

Specific hydraulic fluid or ATF type required for the power steering system will be detailed.

Common Issues Coverage:

The manual addresses common wear-and-tear items and potential issues specific to the R107/C107 platform, providing diagnostic and repair procedures.

Common Maintenance Items:

Focus on preventative maintenance for common wear items such as vacuum lines, fuel distributor seals, suspension bushings, and ignition components.

📚 Vehicle History

Brand Heritage:

Mercedes-Benz has a long-standing reputation for engineering excellence, luxury, and durability, with the SL-Class being a flagship model known for its grand touring capabilities.

Model Evolution:

The R107/C107 SL-Class was produced from 1971 to 1989, making the 1986 model part of the later, refined iterations of this highly successful platform.

R107 C107 Generation:

This generation of SL-Class is celebrated for its robust build quality, refined ride, and enduring styling.

Production Years:

1971-1989 (R107/C107 chassis)