Target Audience:
Mercedes-Benz R107/C107 owners, DIY enthusiasts, independent repair shops
Differentiation:
Vehicle-specific, factory-issued content, comprehensive A-Z coverage, digital format for ease of use and portability
Convenience:
Single PDF file, printable pages, searchable content, zoomable images
Accuracy:
Exact manual used by dealership technicians
Benefits:
Saves time, empowers DIY repairs, reduces reliance on mechanics, promotes vehicle knowledge
Models Covered:
R107 SL and C107 SLC Coupe models
Repair Scope:
All models and all repairs A-Z
Estimated Page Count:
Extensive (specific count not provided, but described as comprehensive for all repairs)
Type:
Factory Service and Repair Manual
Powertrain:
Engine, Fuel Service Specifications, Emission Control, Intake/Exhaust/Cooling, Lube, Ignition, Starting/Charging, Auto Transmission, Manual Transmission, Transfer/Propeller Shaft, Drive Shaft, Differential, Axle Suspension
Chassis And Body:
Tire & Wheel, Brake Control, Brakes, Parking Brake, Steering Column, Power Steering, Exterior & Interior, Engine Hood/Door, Windshield/Glass/Mirror, Instrument Panel, Seat
Electrical And Accessories:
Electrical System, Air Conditioning, Supplemental Restraint System, Seat Belt, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Lock, Meter/Audio/Visual, Horn
Advanced Systems:
Multiplex/CAN Communication (if applicable to 1980 models, typically early electronics)
Diagnostic:
Diagnosis and troubleshooting for all covered systems
Maintenance:
Scheduled maintenance procedures, fluid changes, filter replacements
Repair And Rebuild:
Complete step-by-step instructions for mechanical and electrical component repair and rebuild
Adjustment And Calibration:
Adjustment and calibration procedures for various systems (e.g., fuel injection, ignition timing)
Depth:
Factory-level, detailed technician-grade information
Content Type:
Step-by-step instructions, diagrams, illustrations, wiring schematics, specifications
Searchable:
Yes (implied by digital format)
Printable:
Yes, all pages printable
Zoom Capability:
Yes, images can be enlarged and printed
Binding:
N/A (Digital PDF)
Paper Type:
N/A (Digital PDF)
Operating Systems:
Windows Vista (32/64), XP, ME, 98, NT, 2000, and Mac
Software Requirements:
Adobe PDF Reader, Winzip (free online)
Engine Options:
Likely covers multiple engines for the 1980 model year, including but not limited to: 3.8L V8 (M116.96x), 4.5L V8 (M117.96x), 5.0L V8 (M117.964 - 500 SL)
Horsepower Range:
Approx. 155 hp (3.8L) to 230 hp (5.0L) depending on engine and market specifications
Torque Range:
Varies significantly by engine displacement and configuration
Injection Systems:
Bosch K-Jetronic (CIS - Continuous Injection System) mechanical fuel injection is common for this era and engine types.
Ignition System:
Electronic ignition system (likely distributor-based)
Transmission Type:
Automatic Transmission (e.g., 3-speed or 4-speed automatic, such as 3HP22 or 4HP22)
Transmission Options:
Manual transmissions may have been available on some R107/C107 models, though less common than automatics.
Hydraulic Control:
Torque converter automatic with hydraulic control
Wheelbase:
R107 SL: 2,460 mm (96.9 in); C107 SLC: 2,804 mm (110.4 in)
Overall Length:
R107 SL: Approx. 4,770 mm (187.8 in); C107 SLC: Approx. 4,725 mm (186.0 in)
Curb Weight:
Approx. 1,500 - 1,700 kg (3,300 - 3,750 lbs) depending on engine and equipment
Gross Vehicle Weight Rating:
Not specified in product info, but available in manual
Crash Test Data:
As a 1980 vehicle, standardized crash testing as we know it today was less prevalent. Manual would detail safety features of the era.
Braking System:
Four-wheel disc brakes, typically with ventilated front discs. ABS was not standard on this model year.
Steering:
Recirculating ball steering, with optional power assist.
Airbags:
Not applicable for 1980 models.
Seat Belts:
Three-point seat belts in the front
Body Structure:
Reinforced passenger cell, crumple zones (typical of Mercedes-Benz engineering)
Audio System:
Factory-installed analog radio, often with cassette player option. Upgradeable to modern head units.
Cruise Control:
Available as an option on many models, a sophisticated feature for its time.
Connectivity Features:
Basic for the era. Primarily mechanical linkages and basic electrical systems. No modern connectivity features.
System Type:
Manual or automatic climate control (thermo-matic) depending on specification. Utilizes a vacuum-actuated system common in that era.
Oil Change Interval:
Typically every 10,000 - 15,000 km (6,000 - 9,000 miles) or annually, depending on driving conditions and oil type. Manual will specify precise interval.
Major Service Interval:
Significant checks and replacements (e.g., spark plugs, fuel filter, coolant) usually around 30,000 - 50,000 km (20,000 - 30,000 miles).
Engine Oil:
API SF or SG classification, viscosity typically SAE 20W-50 or 15W-40 depending on climate. Manual will specify exact grade and capacity.
Transmission Fluid:
Mercedes-Benz Automatic Transmission Fluid (ATF) specification, likely MB 236.2 or equivalent. Manual will list correct type and capacity.
Coolant:
Ethylene glycol based antifreeze mixture with water. Manual will specify mixture ratio and MB specification (e.g., MB 325.0 or equivalent).
Brake Fluid:
DOT 3 or DOT 4 brake fluid. Manual will specify correct type and change interval.
Common Wear Items:
Fuel lines, vacuum hoses, climate control vacuum actuators, front suspension bushings, heater control valve, subframe mounts, rust in common areas (e.g., wheel arches, sills, battery tray).
K Jetronic Issues:
Warm-up regulator (WUR) issues, fuel distributor leaks, injection valve leaks, idle control problems.
Electrical Quirks:
Age-related degradation of wiring insulation, intermittent dashboard lights, issues with climate control systems, power window mechanisms.
Manufacturer Legacy:
Mercedes-Benz, a pioneer in automotive safety and engineering luxury vehicles since the early 20th century.
R107 C107 Introduction:
The R107 chassis was introduced in 1971 (as a 1972 model) replacing the W113 'Pagoda' SL. The C107 SLC coupe variant followed in 1972. The R107/C107 generation had a remarkably long production run, ending in 1989 for the SL and 1981 for the SLC.
1980 Model Year Updates:
The 1980 model year saw the introduction of the 3.8L V8 engine (M116.96x) in the US market (380 SL), replacing the previous 4.5L V8 for some markets due to emissions regulations and fuel economy concerns. Exterior styling remained largely consistent with earlier R107 models, emphasizing classic, timeless design.
Production Period:
R107 SL: 1971-1989; C107 SLC: 1972-1981
Manufacturing Locations:
Germany (Sindelfingen)
Design Awards:
While not specific awards, the R107 SL is widely recognized for its timeless and elegant design, contributing to its enduring appeal and classic status.
Reliability Reputation:
Generally considered a robust and well-engineered vehicle, with a reputation for longevity when properly maintained.
Engineering Standards:
Built to stringent Mercedes-Benz engineering and quality standards of the era.
