Mercedes 380 SEC 1982-1983 Service Repair Manual

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🏷️ Basic Information Identification Make: Mercedes-Benz Model: 380 SEC Chassis Code: C107 Model Years Covered: 1982-1983 Codes Engine Code: M116 (3.8L V8) 👋 Introduction Market Position Vehicle Segment: Luxury Grand Tourer / Personal Luxury Coupe Target Audience: Affluent buyers seeking refined styling, comfortable cruising, and Mercedes-Benz engineering. Competitive Analysis Key Competitors: BMW 6 Series (E24), Jaguar XJ-S, Cadillac Eldorado, Rolls-Royce Corniche. Key Features Design Philosophy: Elegant, pillarless coupe design emphasizing aerodynamic lines and premium comfort. Engineering Focus: Robust mechanicals, advanced (for its time) fuel injection, and sophisticated chassis dynamics. Manual Value Proposition Benefit To Owner: Empowers owners and technicians with detailed knowledge to maintain and repair the vehicle effectively, preserving its value and performance. 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Secondary Coverage: Maintenance, Troubleshooting, Diagnostics Page Count Estimated Page Count: Varies by specific year manual, generally extensive for comprehensive coverage. Manual Type Type: Factory-Style Service Repair Manual Language Language: English Format Format: PDF / WINRAR (Digital Download) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine overhaul, cylinder head, crankshaft, pistons, connecting rods, camshafts, timing system, lubrication system, cooling system, fuel system (including injection). Engine Electrical: Ignition system, starting system, charging system, fuel injection control unit (ECU), sensors, warning lamps. Transmission: Manual and Automatic Transmission overhaul, fluid changes, diagnostics, clutches. Drivetrain: Driveshaft, universal joints, flexible couplings, rear axle, front axle (if applicable for specific sub-models, though SEC is typically RWD). Suspension Steering: Front and rear suspension components, shock absorbers, springs, control arms, ball joints, steering system, power steering, level control systems (e.g., ADS). Brakes: Brake system hydraulics, brake pads, brake discs, brake lines, parking brake, ABS (if equipped). Body Chassis: Body structure inspection, water leakage, corrosion, door hinges, locks, hood, sunroof, convertible top mechanisms (for SEC, it's a pillarless hardtop), exterior panels, noise encapsulation. HVAC: Heating and...

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UGS: 375019

Collections: ALL Mercedes

Disponibilité: 9999 En stock

Mots clés: 1982 1983 380 380 SEC Car Cars Mercedes

Variantes de produits

Description

🏷️ Basic Information

Identification

Make:

Mercedes-Benz

Model:

380 SEC

Chassis Code:

Model Years Covered:

1982-1983

Codes

Engine Code:

M116 (3.8L V8)

👋 Introduction

Market Position

Vehicle Segment:

Luxury Grand Tourer / Personal Luxury Coupe

Target Audience:

Affluent buyers seeking refined styling, comfortable cruising, and Mercedes-Benz engineering.

Competitive Analysis

Key Competitors:

BMW 6 Series (E24), Jaguar XJ-S, Cadillac Eldorado, Rolls-Royce Corniche.

Key Features

Design Philosophy:

Elegant, pillarless coupe design emphasizing aerodynamic lines and premium comfort.

Engineering Focus:

Robust mechanicals, advanced (for its time) fuel injection, and sophisticated chassis dynamics.

Manual Value Proposition

Benefit To Owner:

Empowers owners and technicians with detailed knowledge to maintain and repair the vehicle effectively, preserving its value and performance.

📋 Manual Details

Coverage Areas

Primary Coverage:

Service and Repair

Secondary Coverage:

Maintenance, Troubleshooting, Diagnostics

Page Count

Estimated Page Count:

Varies by specific year manual, generally extensive for comprehensive coverage.

Manual Type

Type:

Factory-Style Service Repair Manual

Language

Language:

English

Format

Format:

PDF / WINRAR (Digital Download)

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine overhaul, cylinder head, crankshaft, pistons, connecting rods, camshafts, timing system, lubrication system, cooling system, fuel system (including injection).

Engine Electrical:

Ignition system, starting system, charging system, fuel injection control unit (ECU), sensors, warning lamps.

Transmission:

Manual and Automatic Transmission overhaul, fluid changes, diagnostics, clutches.

Drivetrain:

Driveshaft, universal joints, flexible couplings, rear axle, front axle (if applicable for specific sub-models, though SEC is typically RWD).

Suspension Steering:

Front and rear suspension components, shock absorbers, springs, control arms, ball joints, steering system, power steering, level control systems (e.g., ADS).

Brakes:

Brake system hydraulics, brake pads, brake discs, brake lines, parking brake, ABS (if equipped).

Body Chassis:

Body structure inspection, water leakage, corrosion, door hinges, locks, hood, sunroof, convertible top mechanisms (for SEC, it's a pillarless hardtop), exterior panels, noise encapsulation.

HVAC:

Heating and ventilation system, air conditioning system, refrigerant charge, filters (dust, charcoal, recirculating air).

Electrical Body:

Lighting (headlamps, exterior lamps), windshield wipers and washers, antennas, battery, warning and indicator lamps.

Procedures Included

Maintenance:

Oil and filter changes, fluid level checks and corrections, filter replacements, belt inspections and adjustments, spark plug replacement, fuel filter replacement, valve clearance adjustments.

Troubleshooting:

Diagnosis of vehicle problems, inspection of components, lines, and hoses, identifying causes of issues.

Repair Rebuild:

Disassembly, inspection of parts for reuse, rebuilding of components (e.g., engine, transmission, suspension), assembly procedures.

Adjustment:

Idle speed adjustment, injection timing adjustment, valve clearance adjustment, parking brake adjustment, steering bolt tightening, rear axle mount limiting stop adjustment.

Lubrication:

Throttle linkage lubrication, door hinge lubrication, door lock lubrication, sunroof rail lubrication, folding side mirror lubrication.

Technical Depth

Depth:

Comprehensive, covering routine maintenance, in-depth diagnostics, component overhaul, and troubleshooting.

📊 Manual Specifications

File Format

Digital Format:

PDF and WINRAR archive. PDF is typically searchable and printable.

Print Quality

Quality Description:

High-resolution digital scans or professionally formatted documents, ensuring clear diagrams and text.

Binding Type

Binding Type:

Not applicable (Digital format)

Paper Type

Paper Type:

Not applicable (Digital format)

⚙️ Engine Specifications

Primary Engine

Engine Type:

V8, SOHC (Single Overhead Camshaft)

Displacement:

3.8 liters (3839 cc)

Bore X Stroke:

86.0 mm x 80.25 mm

Performance

Horsepower Est:

Approximately 155-160 hp @ 4750 rpm (US Spec)

Torque Est:

Approximately 196-200 lb-ft @ 2500 rpm (US Spec)

Fuel System

Fuel Delivery:

Bosch K-Jetronic (CIS - Continuous Injection System)

Fuel Type:

Unleaded gasoline (premium recommended)

Lubrication

Oil Capacity Qt:

Approximately 8.5 quarts (with filter)

Cooling

Coolant Capacity Qt:

Approximately 10.5 quarts

🔧 Transmission

Standard

Transmission Type:

4-speed Automatic (e.g., 4G-TRONIC)

Optional

Transmission Type:

Not typically offered with manual transmission for SEC models of this era.

Features

Fluid Type:

MB Automatic Transmission Fluid (ATF) - e.g., MB 236.1 spec

Fluid Capacity Qt Auto:

Approximately 8.0-8.5 quarts (pan removal)

📐 Dimensions

Exterior

Length In:

Approx. 193.3 inches

Width In:

Approx. 70.7 inches

Height In:

Approx. 53.7 inches

Wheelbase In:

Approx. 115.6 inches

Weights

Curb Weight Lbs:

Approx. 3700-3800 lbs

🛡️ Safety Features

Ratings

Crash Test Info:

Data from this era is limited compared to modern standards. Focus on structural integrity and passive safety features of the time.

Active Features

Braking System:

Four-wheel disc brakes, often with ABS (Anti-lock Braking System) as an option or standard depending on market.

Passive Features

Seat Belts:

Front seat belts with pretensioners (likely standard), rear seat belts.

Body Construction:

Reinforced passenger cell, energy-absorbing crumple zones.

💡 Technology Features

Infotainment

Audio System:

Factory installed AM/FM stereo with cassette player. Often featured premium sound options.

Climate Control:

Automatic Climate Control (ACC) or manual HVAC systems with advanced ventilation.

Driver Assistance

Anti-lock Braking System (ABS) was a significant technological feature for its time, often optional.

Level Control:

Hydropneumatic self-leveling suspension (ADS - Automatic Damping System) available on some models for enhanced ride comfort and handling.

🔧 Maintenance

Service Intervals

Oil Change Interval Miles:

Approximately every 5,000 - 7,500 miles, or annually.

Transmission Fluid Change Miles:

Recommended every 30,000 - 50,000 miles, or as per manual guidance.

Spark Plug Replacement Miles:

Typically around 30,000 miles, depending on type.

Fluid Specifications

Engine Oil Viscosity:

e.g., 15W-40 or 20W-50, depending on climate. Refer to manual for specific MB approval numbers.

Coolant Type:

Ethylene glycol-based antifreeze, typically a 50/50 mix with distilled water.

Known Issues

Fuel System Aging:

Degradation of rubber fuel lines, injector seals, and fuel distributor components due to age and fuel composition.

Suspension Wear:

Wear in ball joints, tie rod ends, and bushings leading to steering looseness and ride quality degradation.

Electrical Corrosion:

Corrosion in connectors and wiring harnesses, especially in areas exposed to moisture.

Engine Mounts:

Hydraulic engine mounts can degrade, leading to increased vibration.

📚 Vehicle History

Brand Heritage

Heritage Statement:

Mercedes-Benz established a reputation for engineering excellence, durability, and luxury throughout the 20th century.

Model Evolution

Platform Basis:

Based on the R107 SL roadster platform, sharing many mechanical components and styling cues.

Generation Significance:

The C107 SEC represented the coupe iteration of Mercedes-Benz's successful SL roadster line, offering a more spacious and luxurious coupe experience.

Production

Production Period:

The C107 chassis was produced from 1971 to 1989. The 380 SEC variant specifically covered the earlier part of this range.

Manufacturing Location:

Germany

🏆 Awards & Recognition

Recognitions

Automotive Excellence:

While specific awards for the 380 SEC from 1982-83 may not be widely cataloged, the C107 chassis and Mercedes-Benz brand consistently received accolades for build quality, safety, and luxury. It was widely regarded as a benchmark in the personal luxury coupe segment.