Mercedes Benz W116 450 SE SEL 1973-1980 Service Manual

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Distributeur:

UGS: 69673

Mots clés: 1973 1974 1975 1976 1977 1978 1979 1980 450 SE 450 SEL Car Engines Mercedes Mercedes Benz

Variantes de produits

Description

The Mercedes-Benz W116 450 SE and 450 SEL, produced between 1973 and 1980, represent the first generation of the S-Class luxury sedan. These vehicles embodied Mercedes-Benz's commitment to engineering excellence, safety, and comfort, featuring a sophisticated design and robust construction. Notable innovations for their time included advanced safety features like crumple zones and a reinforced passenger cell. Powered by the M117 V8 engine with Bosch M-Jet fuel injection, these sedans offered a refined driving experience, competing at the highest level of the luxury automotive market. This comprehensive workshop service repair manual provides extensive information for the Mercedes-Benz W116 450 SE/SEL. Covering all aspects of maintenance, troubleshooting, and repair, it details procedures for the engine, automatic transmission, drivetrain, suspension, brakes, steering, and electrical systems. The manual includes routine maintenance, detailed repair instructions, disassembly and assembly guidance, and critical technical specifications such as torque values and fluid capacities. With over 10,000 pages of factory-level detail, including numerous diagrams and illustrations, this English-language manual is an essential resource for owners and technicians seeking to maintain and repair these classic vehicles.

🏷️ Basic Information

Identification

Make:

Mercedes-Benz

Model:

W116 450 SE / SEL

Model Codes:

450 SE, 450 SEL

Generation

Generation Designation:

First Generation W116

👋 Introduction

Market Position

Luxury Segment:

The W116 was Mercedes-Benz's flagship luxury sedan during its production run, competing with other high-end European manufacturers.

Competitive Analysis

Competitors:

Primary competitors included models from BMW (e.g., 7 Series), Jaguar (e.g., XJ), and other premium European luxury marques.

Key Features

Design Philosophy:

The W116 embodied Mercedes-Benz's commitment to engineering excellence, safety, comfort, and durability, featuring a sophisticated and understated design.

Innovation:

Introduced significant safety innovations for its time, including crumple zones and a robust passenger safety cell.

📋 Manual Details

Coverage Areas

Applicable Years:

1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980

Page Count

Estimated Page Count:

> 10000

Manual Type

Type:

Workshop Service Repair Manual

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine:

Comprehensive coverage of the M117 V8 engine, including its M-Jet fuel injection system.

Transmission:

Detailed procedures for the automatic transmission (e.g., 3-speed automatic transmission).

Drivetrain:

Rear-wheel drive system, including driveshaft, differential, and axle components.

Suspension:

Front and rear suspension systems, including shock absorbers, springs, control arms, and bushings.

Brakes:

Hydraulic brake system, including disc brake systems (front and rear), master cylinder, brake lines, and calipers.

Steering:

Power steering system, including steering gear, pump, and steering linkage.

Electrical:

Comprehensive electrical system coverage, including battery, alternator, starter, ignition system, lighting, instrumentation, and wiring diagrams.

Fuel:

Fuel delivery system, including fuel pump, fuel lines, fuel filter, and fuel tank.

Cooling:

Engine cooling system, including radiator, water pump, thermostat, and coolant hoses.

Exhaust:

Exhaust system components, including manifold, catalytic converter (where applicable), mufflers, and pipes.

Body And Chassis:

Body panel removal and installation, structural components, doors, windows, and interior trim.

Procedures Included

Maintenance:

Routine maintenance procedures such as oil changes, filter replacements, fluid checks, and tune-ups.

Troubleshooting:

Extensive troubleshooting guides for various systems, including diagnostic procedures and common fault diagnosis.

Repair:

Detailed step-by-step repair instructions for virtually all vehicle components and systems.

Disassembly And Assembly:

Comprehensive instructions for the removal, disassembly, cleaning, inspection, reassembly, and installation of components.

Adjustments:

Precise instructions for adjustments to engine timing, carburetor/fuel injection, brakes, clutch (if applicable), and other systems.

Specifications:

Inclusion of all critical service data, including torque specifications, fluid capacities, clearances, and wear limits.

Technical Depth

Depth:

Factory-level technical detail, covering everything from basic adjustments to complete engine and transmission overhauls.

Visual Aids

Illustrations:

Abundant pictorial diagrams, exploded views, drawings, and photographs to guide repair procedures.

Special Tools

Tool References:

Identification and usage instructions for specialized service tools required for specific repair operations.

📊 Manual Specifications

File Format

Format:

Portable Document Format (PDF)

Print Quality

Printability:

Fully printable, allowing users to print specific sections or the entire manual.

Binding Type

Digital Binding:

N/A (Digital download)

Paper Type

Digital Paper Quality:

N/A (Digital download)

Software Requirement

Reader:

Adobe Reader or compatible PDF viewer required.

Compatibility

Operating Systems:

Compatible with Windows, Mac, and Linux operating systems.

Completeness

Content Status:

100% complete and intact, with no missing or corrupt pages/sections.

⚙️ Engine Specifications

Primary Engine

Engine Type:

V8, SOHC

Engine Code:

Displacement:

4520 cc (4.5 Liters)

Bore X Stroke:

92.0 mm x 85.0 mm

Performance

Horsepower Approx:

220-230 hp (SAE Gross, depending on market and exact specification)

Torque Approx:

370-380 Nm (SAE Gross, depending on market and exact specification)

Fuel System

Fuel Injection:

Bosch M-Jet (Mechanical Fuel Injection)

Fuel Type:

Unleaded gasoline

Cooling

Cooling System Type:

Water-cooled

🔧 Transmission

Standard

Transmission Type Standard:

3-speed Automatic Transmission

Optional

Transmission Type Optional:

Rarely, a 4-speed manual transmission was available in some markets, though highly uncommon.

Features

Torque Converter:

Equipped with a torque converter for smooth power delivery.

📐 Dimensions

Exterior

Wheelbase:

2935 mm (115.6 inches) for SE, 3075 mm (121.1 inches) for SEL

Length:

Approx. 5000-5140 mm (197-202 inches) depending on SE/SEL and specific bumper design.

Width:

Approx. 1800-1810 mm (70.9-71.3 inches)

Height:

Approx. 1450-1460 mm (57.1-57.5 inches)

Weights

Curb Weight Approx:

Approx. 1700-1800 kg (3750-3970 lbs) depending on model and equipment.

🛡️ Safety Features

Ratings

Historical Safety Perception:

Highly regarded for safety due to robust construction and engineering principles of the era.

Active Features

Anti-lock Braking System (ABS) became available as an option in later years of the W116 production, particularly from 1978 onwards.

Passive Features

Body Structure:

Reinforced passenger compartment, energy-absorbing steering column, and impact-absorbing bumpers.

Seat Belts:

Three-point seatbelts for front occupants were standard, with rear belts often optional or standard depending on market.

💡 Technology Features

Infotainment

Radio System:

Typically featured AM/FM radio and cassette player systems, often with optional power antenna.

Driver Assistance

Cruise Control:

Optional cruise control system available on many models.

Comfort Features

Climate Control:

Sophisticated (for the era) automatic climate control system with air conditioning was often a feature.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 5,000-10,000 km (3,000-6,000 miles) or annually, as per manual recommendations.

Major Service Interval:

Significant checks and component inspections recommended at intervals like 40,000-60,000 km (25,000-37,000 miles).

Fluid Specifications

Engine Oil Type:

API SG or SF classification, SAE 10W-40 or 15W-40 commonly recommended (check manual for specific climate/usage).

Engine Oil Capacity:

Approx. 8.0 liters (8.5 US quarts) with filter change.

Coolant Type:

Ethylene glycol based antifreeze mixed with distilled water (50/50 ratio recommended).

Transmission Fluid Type:

ATF (Automatic Transmission Fluid) - Type 'A' Suffix 'A' or Dexron II is often applicable, but consult manual for precise specification.

Brake Fluid Type:

DOT 3 or DOT 4.

Known Issues

Fuel System Aging:

Degradation of rubber fuel lines and components in the M-Jet system can lead to leaks or performance issues.

Cooling System Aging:

Radiator corrosion, water pump seal leaks, and thermostat failures are common with age.

Suspension Wear:

Worn control arm bushings, ball joints, and shock absorbers can lead to poor handling and ride comfort.

Electrical Gremlins:

Age-related issues with wiring harnesses, connectors, and vacuum-actuated systems (e.g., central locking, climate control).

📚 Vehicle History

Brand Heritage

Mercedes Benz Legacy:

Built upon Mercedes-Benz's long-standing reputation for engineering, quality, and luxury vehicle production.

Model Evolution

W116 Introduction:

The W116 platform succeeded the W108/W109 series and represented a significant step forward in luxury sedan design and technology for Mercedes-Benz.

W116 Successor:

Succeeded by the W126 S-Class, which further refined the luxury sedan formula.

Production

Production Years Global:

1972-1980

Manufacturing Locations:

Primary manufacturing in Germany (e.g., Sindelfingen plant).

🏆 Awards & Recognition

Recognitions

Historical Acclaim:

The W116 was widely recognized for its build quality, driving dynamics, and contribution to automotive safety standards of its time.