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Mercedes-benz

Mercedes-BENZ W114/W115 CAR Service Repair Manual 1968-1976

Mercedes-BENZ W114/W115 CAR Service Repair Manual 1968-1976

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Vehicle data plateRef 143179
Brand
Mercedes-benz
Vehicle
Car
Models covered
Engines, Mercedes, Mercedes Benz, W114, W115
Years
1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

What happens after you pay

  • Download link opens on the order page immediately
  • The same link is emailed to you — re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your model year? Ask us before you buy
🏷️ Basic Information
Identification
Make:
Mercedes-Benz
Model:
W114/W115
Generation:
First Generation
Chassis Code:
W114 (Six-Cylinder), W115 (Four-Cylinder)
Codes
Internal Project Codes:
W114/W115
👋 Introduction
Market Position
Value Proposition:
The exact same manual used by dealership technicians, enabling DIY repairs and significant cost savings.
Competitive Analysis
Differentiation:
Vehicle-specific, factory-accurate information, unlike generic repair guides. High page count signifies comprehensive coverage.
Key Features
Ease Of Use:
All information on one CD-manual, printable pages, zoomable images for clarity.
Content Richness:
Hundreds of illustrations, diagrams, wiring schematics, and torque specifications.
Diy Enablement:
Explicitly designed to make repairs easy for any skill level with step-by-step instructions.
📋 Manual Details
Coverage Areas
Model Years:
1968-1976
Specific Models Covered:
220, 220D, 230, 240D, 250, 250C, 280, 280C, 300D
Page Count
Total Pages:
>5000
Manual Type
Type:
Complete Service & Repair Manual
Language
Language:
English
Format
Digital Format:
PDF/HTML/SWF
Delivery Method:
Instant Download
Searchability:
Likely searchable text within PDF, greatly enhancing usability.
Zoom Functionality:
Allows users to zoom into specific details of diagrams and illustrations.
📖 Manual Coverage
Systems Covered
Engine:
Overhaul, rebuilding, performance tuning, firing orders, serpentine belt routings
Brakes:
Service procedures, hydraulic systems, disc and drum brake overhaul
Transmission:
Removal, installation, in-car servicing, automatic and manual transmission overhaul
Suspension:
Front end alignment, wheel balancing, component replacement
Electrical:
Complete wiring diagrams, troubleshooting, diagnostic tree charts, computer diagnostics
Bodywork:
Sunroof operation and repair, body panel alignment, interior trim
HVAC:
Air conditioning service, refrigerant capacities, system diagnostics
Fuel System:
Fuel pump, fuel lines, filters, and carburetor/injection system diagnostics and repair.
Exhaust System:
Component replacement and troubleshooting for the exhaust system.
Cooling System:
Radiator, fan, water pump, thermostat, and coolant flow diagnostics.
Steering System:
Steering box, tie rods, and steering column repair and adjustment.
Chassis Lubrication:
Points and procedures for chassis lubrication.
Body And Chassis:
Structural components, subframes, body panel repair, rust prevention.
Procedures Included
Maintenance:
Factory maintenance schedules and charts, fluid specifications, lubrication points
Repair:
Complete step-by-step repair procedures for all covered systems
Diagnostics:
Troubleshooting guides, diagnostic trouble codes, computer diagnostic tree charts
Timing:
Timing belt replacement and service procedures
Drivetrain:
U-joint and CV-joint service procedures
Engine Timing:
Precise procedures for setting ignition timing and valve timing.
Technical Depth
Depth:
Factory-level, comprehensive for all repair and maintenance tasks
Scope:
Covers every single detail for the specified models
Torque Specifications:
Complete torque specifications for all critical fasteners and components.
Vacuum Diagrams:
Detailed vacuum diagrams for emissions control and auxiliary systems.
Illustrations:
Hundreds of illustrations and diagrams to guide repair and maintenance.
📊 Manual Specifications
File Format
Compatibility:
All Versions of Windows & Mac
Interactivity:
Zoom In/Out functionality
Print Quality
Printability:
All pages are printable
Binding Type
Binding:
Digital (Downloadable CD-Manual)
Paper Type
Paper Type:
N/A (Digital Format)
⚙️ Engine Specifications
Primary Engine
Engine Variants Covered:
Inline-4 (Diesel), Inline-4 (Petrol), Inline-6 (Petrol)
Performance
Performance Data Availability:
Detailed specifications on every model covered, including engine performance tuning.
Fuel System
Fuel System Coverage:
Includes details on fuel delivery, injection systems (for diesel and petrol), and carburetors (where applicable).
Engine Codes
Engine Code Reference:
Manual provides specific information for engine codes associated with each model variant (e.g., M115 for 220D, M102 for 230).
Engine Variants Covered
220:
M115.920 (2.2L Inline-4 Petrol)
220D:
OM615.912 (2.2L Inline-4 Diesel)
230:
M115.914 / M102.980 (2.3L Inline-4 Petrol)
240D:
OM616.912 (2.4L Inline-4 Diesel)
250:
M114.920 (2.5L Inline-6 Petrol)
280:
M110.921 / M110.922 (2.8L Inline-6 Petrol, DOHC)
300D:
OM617.912 (3.0L Inline-5 Diesel)
🔧 Transmission
Standard
Standard Transmission Types:
4-speed manual, 4-speed automatic, 3-speed automatic (depending on model and year)
Optional
Optional Transmission Types:
4-speed automatic was often optional on manual transmission models.
Features
Transmission Coverage Details:
Removal, installation, in-car servicing, internal component overhaul, fluid type and capacity specifications.
📐 Dimensions
Exterior
Wheelbase:
W114: 2750 mm (108.3 in), W115: 2750 mm (108.3 in) - standard wheelbase.
Length:
W114 Sedan: 4720 mm (185.8 in), W115 Sedan: 4675 mm (184.1 in). Coupe versions are slightly shorter.
Weights
Curb Weight:
Varies by model and engine; generally between 1300-1500 kg (2866-3307 lbs).
Gross Vehicle Weight:
Specified per model in the manual for load capacity.
🛡️ Safety Features
Ratings
Crash Test Data Availability:
While formal crash ratings were less standardized in this era, the manual details structural integrity and safety system components.
Active Features
Active Safety Components:
Four-wheel disc brakes (on some models), dual-circuit braking system, power steering.
Passive Features
Passive Safety Components:
Reinforced safety cage, safety glass, padded dashboard, collapsible steering column.
💡 Technology Features
Infotainment
Infotainment Systems:
Basic radio and speaker systems of the era, detailed in electrical sections for repair.
Driver Assistance
Driver Assistance Features:
Primarily focused on mechanical systems like power steering and brakes. No electronic driver aids.
Connectivity
Connectivity Features:
None (pre-digital era).
🔧 Maintenance
Service Intervals
Routine Maintenance:
Manual provides factory-recommended intervals for oil changes, filter replacements, and tune-ups.
Fluid Specifications
Engine Oil:
Specific viscosity grades (e.g., SAE 10W-40, 15W-40) and API service classifications detailed for each engine variant.
Coolant:
Specifications for coolant type and mixture ratio for optimal corrosion protection and boiling point.
Transmission Fluid:
Type and capacity for both manual and automatic transmissions (e.g., DEXRON for automatics).
Known Issues
Common Wear Items:
Manual addresses common wear items such as rubber bushings, exhaust components, and fuel injection system components for diesels.
Specific Model Concerns:
Provides guidance on specific concerns related to each model, such as vacuum system issues or diesel injection pump calibration.
📚 Vehicle History
Brand Heritage
Mercedes Benz Philosophy:
Emphasis on durability, engineering excellence, and pioneering safety features.
Model Evolution
W114 W115 Design:
Introduced as the 'New Generation' sedans, offering a modern design and improved engineering over predecessors. W114 for 6-cylinder, W115 for 4-cylinder initially, later blurred.
Production
Production Years:
1968-1976
Manufacturing Locations:
Primarily Germany, with production also in other international facilities.
🏆 Awards & Recognition
Recognitions
Industry Acclaim:
The W114/W115 series was highly regarded for its build quality, reliability, and comfort, establishing Mercedes-Benz's reputation in the mid-size luxury segment.
Ratings
Durability Reputation:
Known for exceptional longevity and durability when properly maintained, making them sought-after classics.

Delivery & file format

This is a digital PDF download, not a printed book. After payment the download link appears on your order confirmation page and is emailed to the address you entered. Files open in any PDF reader on phone, tablet or computer and can be printed.

Check the model year and engine before you buy

Manufacturers change procedures, wiring and part numbers between model years and engine options. If your VIN plate shows a year or engine code that is not listed on the data plate above, contact us with the model, year and VIN and we will confirm coverage before you order.

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