🏷️ Basic Information

Make:

Mercedes-Benz

Model:

280 SE

Chassis Code:

W116

Model Years Covered:

1977, 1978, 1979, 1980

👋 Introduction

Target Audience:

Mechanical technicians, automotive enthusiasts, owners performing maintenance and repair.

Value Proposition:

Enables technicians to build and maintain a reputation for quality service, helps owners save money on repairs and gain knowledge.

Depth Of Coverage:

Comparable to authorized Mercedes-Benz dealer service department information.

Accuracy:

Endeavored to ensure accuracy of information.

Completeness:

Complete Service Manual containing all necessary instructions.

Safety Notation:

Emphasizes safety information through WARNING, CAUTION, and NOTE notations.

📋 Manual Details

Primary Coverage:

Repair and overhaul of Mercedes-Benz W116 280 SE

Included Components:

Components manufactured for Mercedes-Benz W116 280 SE, proprietary components with manufacturer instructions

Estimated Page Count:

Extensive (specific number not provided, implies comprehensive coverage)

Type:

Workshop Service Manual / Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine:

Detailed repair and overhaul, tune-ups, lubrication system, fuel system, ignition system

Transmission:

Detailed repair and overhaul

Electrical System:

Covered

Bodywork:

Covered

Exhaust System:

Covered

Routine Maintenance:

Included

Servicing:

Included

Diagnostics:

Included

Repair:

Included

Removal And Installation:

Included

Assemblies And Disassemblies:

Included

Depth:

Comprehensive, suitable for experienced technicians and knowledgeable owners; covers engine and transmission disassembly.

Emphasis:

Special aspects of the product, proper function of components, judging overall car performance.

Special Requirements:

Refers to special tools with Mercedes-Benz W116 280 SE specific tool numbers, emphasis on torque wrench usage.

📊 Manual Specifications

Format:

PDF

Delivery Method:

Electronic Delivery via Email

Delivery Speed:

Fast

Printability:

Yes

Searchability:

Assumed searchable due to PDF format, though not explicitly stated.

Type:

N/A (Digital PDF)

Type:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Type:

Inline 6-cylinder (implied by 280 SE designation)

Engine Code:

Likely M110 (2.8L DOHC) for this period and model, though not explicitly stated in provided text.

Displacement:

2.8 Liters (2789 cc) - typical for 280 SE models of this era.

Horsepower:

Approximately 180-185 hp (SAE Gross) - typical for M110 engine in this configuration.

Torque:

Approximately 230-235 Nm (170-173 lb-ft) - typical for M110 engine.

Fuel Delivery:

Likely Bosch K-Jetronic (CIS) mechanical fuel injection, a common system for Mercedes-Benz at this time.

Fuel Type:

Unleaded Gasoline

🔧 Transmission

Transmission Type:

Likely a 4-speed automatic transmission (e.g., 4G-Tronic) or a 4-speed manual transmission was available as standard or optional depending on market.

Transmission Type:

The other transmission option (manual if auto standard, auto if manual standard).

Torque Converter Lockup:

If automatic, likely featured torque converter lockup for improved highway efficiency.

📐 Dimensions

Length:

Approximately 4960 mm (195.3 in) - typical W116 sedan dimensions.

Width:

Approximately 1800 mm (70.9 in) - typical W116 sedan dimensions.

Height:

Approximately 1420 mm (55.9 in) - typical W116 sedan dimensions.

Curb Weight:

Approximately 1700-1800 kg (3748-3968 lbs) - dependent on transmission and options.

🛡️ Safety Features

Crash Test Data:

W116 was a pioneer in safety for its era; featured a highly rigid safety cell, crumple zones, and safety-oriented interior design. Specific ratings (like NHTSA or Euro NCAP) for this era are less comparable to modern standards.

Brakes:

Four-wheel disc brakes (ventilated front discs likely), power-assisted braking system.

Steering Column:

Collapsible steering column.

Interior:

Energy-absorbing dashboard, padded surfaces, safety belts.

💡 Technology Features

Audio System:

Original systems would have been basic AM/FM radio, possibly with an 8-track or cassette player. Modern upgrades are common.

Climate Control:

Optional automatic climate control (Thermotronic) was a significant technological feature for its era, using vacuum-actuated servos.

Cruise Control:

Optional cruise control system available.

Lighting:

Halogen headlamps, potentially with headlight washers/wipers as an option.

Original Features:

No modern connectivity features like Bluetooth or USB.

🔧 Maintenance

Oil Change:

Typically every 5,000-10,000 km (3,000-6,000 miles) or 6-12 months, depending on driving conditions.

Tune Up:

Scheduled at significant mileage intervals, covering ignition system, fuel system, and general engine checks.

Engine Oil:

Refer to manual for specific viscosity (e.g., SAE 10W-40 or 15W-40) and API service classification (e.g., SF or SG).

Coolant:

Ethylene glycol-based antifreeze, typically a 50/50 mix with distilled water. Specific Mercedes-Benz approved coolant should be used.

Transmission Fluid:

Specific ATF (Automatic Transmission Fluid) type required for automatic transmissions (e.g., Dexron II or equivalent); manual transmission fluid type specified in manual.

Common Wear Items:

Fuel injectors (especially older seals), fuel pump, ignition components (distributor cap, rotor, spark plug wires), wear in suspension bushings, aging rubber hoses and seals.

Climate Control System:

Often requires attention due to age of components, vacuum actuators, and refrigerant systems.

Rust And Corrosion:

Potential for rust in common areas like wheel arches, rocker panels, and around windows, especially in humid climates.

📚 Vehicle History

Brand Focus:

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

W116 Introduction:

The W116 was the first Mercedes-Benz S-Class generation, introduced in 1972, setting new standards for luxury sedans.

W116 Positioning:

Positioned as Mercedes-Benz's flagship luxury sedan, offering advanced technology and superior comfort for its time.

Production Period W116:

1972-1980

Assembly Location:

Primarily Stuttgart, Germany.

🏆 Awards & Recognition

Industry Impact:

The W116 as a platform significantly influenced modern luxury sedan design and safety standards, often referred to as the progenitor of the modern S-Class.