Model Category:
Luxury Grand Tourer / Convertible
Competitors:
Jaguar E-Type, Chevrolet Corvette C3, BMW 6 Series (E24), Porsche 911
Target Audience:
Owners of Mercedes-Benz 350SL/450SL (R107) seeking comprehensive repair and maintenance information.
Value Proposition:
Professional-grade, factory-accurate information for DIY mechanics and enthusiasts, enabling cost-effective maintenance and repair.
Primary Coverage:
North America (USA, Canada), Europe, Global
Vehicle Specific:
All 1971-1980 Mercedes-Benz 350SL and 450SL models
Estimated Pages:
Hundreds (specific count not provided, described as 'hundreds of pages')
Type:
Factory Service Repair Workshop Manual
File Format:
PDF (Downloadable)
Usage Rights:
Lifetime use, no expiry dates, no renewal fees
Operating Systems:
Windows and MAC
Engine Mechanical:
Detailed coverage of V8 engine (M116, M117 series), including disassembly, inspection, repair, and reassembly.
Fuel System:
Bosch D-Jetronic (350SL) and Bosch K-Jetronic (450SL) fuel injection system diagnosis, testing, and repair.
Ignition System:
Diagnosis and repair of electronic ignition systems.
Cooling System:
Radiator, thermostat, water pump, hoses, and heater core service and repair.
Exhaust System:
Component identification, replacement, and troubleshooting.
Transmission:
Automatic transmission (e.g., 3-speed 4G-Tronic, 4-speed 722.1) overhaul, repair, and diagnosis.
Drivetrain:
Rear axle, drive shafts, CV joints, and differential maintenance and repair.
Brakes:
Hydraulic system, disc brakes (front and rear), parking brake, and ABS (if equipped) service and repair.
Suspension:
Independent front suspension (double wishbone), rear independent suspension, springs, shock absorbers, and bushings.
Steering:
Power steering system, steering box, steering linkages, and alignment specifications.
Electrical System:
Comprehensive wiring diagrams, starter, alternator, battery, lighting, ignition, and accessory circuits.
Body And Chassis:
Body panel removal and installation, door mechanisms, convertible top operation and repair, glass replacement, interior trim.
HVAC:
Air conditioning system (if equipped) and heating system diagnosis and repair.
Maintenance:
Routine servicing, fluid changes, filter replacements, tune-ups, and preventative maintenance.
Troubleshooting:
Diagnostic procedures, symptom-based troubleshooting guides, and fault code interpretation (where applicable).
Repair:
Step-by-step instructions for component removal, installation, and overhaul for all major vehicle systems.
Diagnostics:
Detailed diagnostic strategies and methods for electrical, mechanical, and fuel systems.
Special Tools:
Identification and usage instructions for specialized tools required for specific repair procedures.
Depth Level:
Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds.
Diagrams And Illustrations:
Hundreds of detailed photos, exploded diagrams, and schematic illustrations.
Engine Family:
Mercedes-Benz M116 (3.5L V8) and M117 (4.5L V8)
Displacement 350Sl:
3.5 Liters (3499 cc)
Displacement 450Sl:
4.5 Liters (4520 cc)
Horsepower 350Sl:
Approx. 197-200 hp (SAE Gross, depending on year and market)
Torque 350Sl:
Approx. 211-215 lb-ft (SAE Gross, depending on year and market)
Horsepower 450Sl:
Approx. 220-230 hp (SAE Gross, depending on year and market)
Torque 450Sl:
Approx. 270-280 lb-ft (SAE Gross, depending on year and market)
Fuel Injection 350Sl:
Bosch D-Jetronic (transistorized fuel injection)
Fuel Injection 450Sl:
Bosch K-Jetronic (CIS - Continuous Injection System)
Ignition Type:
Electronic Ignition (Bosch)
Configuration:
Overhead Camshaft (OHC), 90-degree V8
Length:
Approx. 185.6 inches (4715 mm)
Width:
Approx. 70.3 inches (1785 mm)
Height:
Approx. 51.2 inches (1300 mm)
Curb Weight:
Approx. 3,600 - 3,900 lbs (1630 - 1770 kg), varies by engine and options.
Wheelbase:
Approx. 104.3 inches (2650 mm)
Crash Test Data:
Data from this era is less comprehensive than modern standards, but the R107 chassis is known for robust construction.
Braking System:
Four-wheel disc brakes, often with optional Anti-lock Braking System (ABS) on later models.
Seat Belts:
Three-point seat belts (front), lap belts (rear).
Body Structure:
Reinforced A-pillars, integrated roll bar behind rear seats (distinctive feature).
Oil Change Interval:
Typically every 5,000-7,500 miles or 6-12 months (refer to manual for exact specification based on usage).
Major Service Interval:
Extensive servicing every 15,000-30,000 miles, including spark plugs, filters, and inspection of various components.
Engine Oil:
SAE 20W-50 or 10W-40, API SG or higher (consult manual for precise viscosity and API rating).
Coolant:
50/50 mixture of Mercedes-Benz approved coolant and distilled water.
Common Wear Items:
Fuel lines, vacuum hoses, climate control vacuum actuators, ball joints, idler arm, timing chain (for high mileage engines).
Rust Prone Areas:
Wheel wells, rocker panels, A-pillar base, trunk floor.
Brand Essence:
Mercedes-Benz is renowned for engineering excellence, build quality, and luxury vehicles.
R107 Introduction:
The R107 replaced the W113 'Pagoda' SL and was designed to be a more robust and luxurious grand tourer.
Production Duration:
The R107 chassis had one of the longest production runs for a Mercedes-Benz, spanning 18 years (1971-1989), with this manual covering the initial 10 years.
Manufacturing Location:
Sindelfingen, West Germany
