Mercedes-benz W123 280SE 1976-1985 Service Repair Manual

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🏷️ Basic Information Identification Make: Mercedes-Benz Model: W123 280SE Model Code: W123 Body Style: Sedan (Saloon) Engine Variant: 280SE Generation Generation Designation: First Generation W123 Codes Chassis Code: W123 👋...

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Taper: Car

Distributeur:

UGS: 500166

Mots clés: 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 280SE Car Cars Mercedes Mercedes-benz W123

Variantes de produits

Description

🏷️ Basic Information

Identification

Make:

Mercedes-Benz

Model:

W123 280SE

Model Code:

Body Style:

Sedan (Saloon)

Engine Variant:

280SE

Generation

Generation Designation:

First Generation W123

Codes

Chassis Code:

👋 Introduction

Market Position

Target Audience:

Do-it-yourselfers and experienced mechanics

Competitive Analysis

Comparison To Print:

More inexpensive and convenient than old paper repair manuals

Key Features

Completeness:

COMPLETE official full factory service repair manual

Convenience:

Digital format, accessible on multiple devices, printable

Cost Effectiveness:

Inexpensive way to keep vehicle working properly, saves money on mechanic labor

📋 Manual Details

Coverage Areas

Applicable Years:

1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985

Page Count

Estimated Page Count:

Hundreds of pages (exact number not specified, but implies comprehensive coverage)

Manual Type

Type:

Factory Service Repair Manual

Language

Language:

English

Format

Format:

📖 Manual Coverage

Systems Covered

Engine Service Repair:

Included

Transmission Service Repair:

Included

Brake System:

Included

Wiring Diagram:

Included

Electrical System:

Included

Suspension:

Included

Steering:

Included

Cooling System:

Included

Fuel Injection:

Included

Fuel System:

Included

Emission System:

Included

Heater Air Conditioning:

Included

Engine Control System:

Included

Chassis Body:

Included

Restraint System:

Included

Interior:

Included

Differential Drive:

Included

Axle:

Included

Periodic Lubrication:

Included

Procedures Included

General Maintenance:

Included

Troubleshooting:

Included

Complete Disassembly Reassembly:

Implied by 'step-by-step instructions based on the complete disassembly of the machine'

Technical Depth

Depth:

Comprehensive (covers general maintenance to detailed repair procedures)

Visuals:

Hundreds of photos and illustrations

📊 Manual Specifications

File Format

Compatibility:

All Versions of Windows, Mac, Smartphones, Tablets (via web browser or Adobe PDF Reader)

Print Quality

Printability:

Yes (printable pages)

Binding Type

Binding:

Digital (PDF format, no physical binding)

Paper Type

Paper Type:

N/A (Digital format)

Other

Software Requirements:

Adobe PDF Reader, Winzip (free online)

⚙️ Engine Specifications

Primary Engine

Engine Type:

Inline 6-Cylinder Petrol

Engine Code Example:

M110 (likely, for 2.8L fuel-injected models)

Performance

Displacement Liters:

Displacement Cubic Inches:

170.6

Bore X Stroke Mm Approx:

86.0 x 80.25 (typical for M110)

Compression Ratio Approx:

8.2:1 to 8.7:1 (depending on sub-model/year)

Horsepower Approx Ps:

185 PS (approx. 182 hp) at 5800 rpm (for fuel-injected models)

Torque Approx Nm:

240 Nm (approx. 177 lb-ft) at 4200 rpm (for fuel-injected models)

Fuel System

Fuel Delivery:

Bosch K-Jetronic Fuel Injection

Fuel Type:

Unleaded Gasoline (Octane rating may vary by region and year)

🔧 Transmission

Standard

Type:

4-speed Manual Transmission (common for earlier models)

Optional

Type:

4-speed Automatic Transmission (e.g., 4G-Tronic)

Features

Transmission Fluid Type:

Dexron III or equivalent (check specific manual for exact specification)

📐 Dimensions

Exterior

Length Mm Approx:

Width Mm Approx:

Height Mm Approx:

Wheelbase Mm Approx:

Weights

Curb Weight Kg Approx:

1450 - 1550 (depending on options)

Gross Vehicle Weight Rating Kg Approx:

🛡️ Safety Features

Ratings

Crash Safety Design:

W123 chassis was known for its robust safety cell and crumple zones, pioneering many safety features of its era.

Active Features

Brakes:

Power-assisted disc brakes front, drum brakes rear (ABS was optional/later in production)

Passive Features

Seatbelts:

Three-point inertia-reel seatbelts (front), lap belts (rear)

Steering Column:

Collapsible steering column

💡 Technology Features

Infotainment

Radio Type:

Factory-installed AM/FM radio, often with cassette player in later years. Aftermarket units common.

Driver Assistance

Cruise Control:

Optional on many models

Connectivity

Connectivity Features:

Limited by era; primarily focused on power windows, central locking (optional), and climate control.

🔧 Maintenance

Service Intervals

Oil Change Interval Approx:

Every 7,500 - 10,000 miles or annually (refer to specific manual for exact recommendation)

Filter Replacement Interval Approx:

Engine oil filter with every oil change; Air filter and fuel filter every 15,000 - 30,000 miles.

Spark Plug Replacement Interval Approx:

Every 30,000 miles

Fluid Specifications

Engine Oil Type:

API SG/SH or higher, SAE 10W-40 or 15W-40 (consult manual for specific viscosity based on climate)

Coolant Type:

Ethylene Glycol based antifreeze, mixed with distilled water (50/50 ratio)

Brake Fluid Type:

DOT 3 or DOT 4

Known Issues

Common Problems:

Rust (especially around wheel arches, door bottoms, and sunroof), fuel distributor issues (K-Jetronic), vacuum leaks, aging rubber components (hoses, mounts), climate control system issues (older models).

📚 Vehicle History

Brand Heritage

Brand Legacy:

Mercedes-Benz is renowned for engineering excellence, durability, and luxury.

Model Evolution

W123 Introduction:

The W123 series was introduced in 1976, succeeding the W114/W115 series.

W123 Reputation:

The W123 gained a reputation for exceptional build quality, reliability, and longevity, often referred to as one of the most over-engineered cars of its era.

Production

Production Period:

1976–1985

Manufacturing Plant Example:

Bremen, Germany

🏆 Awards & Recognition

Recognitions

Industry Accolades:

The W123 was widely praised by automotive journalists and owners for its build quality and longevity, often cited as a benchmark for durable luxury sedans of the late 20th century.