1987 Mercedes-Benz 300D Service Manual

Complete shop manual for 1987 Mercedes-Benz 300D models. Covers engine, cooling, exhaust, ABS, and SRS systems.

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Document Details

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Document Number / Seller:
30320 / John Collins
File Size:
58.34 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
Car
Last updated / verified
Oct 9, 2025

Models Covered & Key Technical Specifications

1987 Mercedes-Benz 300D Service Manual 1987 Mercedes-Benz 300D (Manual) - 1987. Technical Coverage | Service Manual.

  • Engine Specifications: 2.5L Diesel (152.4 cu. in. displacement) with 93 HP @ 4600 RPM and 122 ft-lbs. @ 2800 RPM torque.
  • Engine Specifications: 3.0L Turbo Diesel (183.0 cu. in. displacement) with 143 HP @ 4600 RPM and 195 ft-lbs. @ 2400 RPM torque.
  • Brake System: ABS (Bosch design) with hydraulic unit, solenoids, speed sensors, and electronic control unit.
  • SRS System: Includes airbags, ETR, sensors, and control unit for occupant safety.
  • Transmission: W4A020 / W4A040 automatic 4-speed transmission with torque converter and multiple disc clutches.
  • Cooling System: Covers water pump, torque specifications, and engine cooling system details.

Professional Workshop Service Manual & Technical Specifications

OEM-Grade Shop Technical Manual: Mercedes-Benz 300D (1987) Service Manual

Brand: Mercedes-Benz // Model: 300D // Year: 1987. Topic: Automotive Repair // System: Engine, Brakes, SRS // Category: Vehicle Maintenance.

Service Manual Overview

This comprehensive service manual provides detailed information for the 1987 Mercedes-Benz 300D. It covers essential systems including the engine, cooling, exhaust, ABS, and SRS systems, offering in-depth procedures and specifications.

Table of Contents Summary

  • Engine Identification and Coding
  • ABS System Operation and Troubleshooting
  • SRS System Components and Testing
  • Transmission Applications and Diagnosis
  • Brake System Uniform Inspection Guidelines

Key System Coverage

Engine Systems

This section details engine specifications, identification codes, and repair procedures for both the 2.5L Diesel and 3.0L Turbo Diesel engines. It includes information on engine removal, installation, and component servicing.

Anti-Lock Brake System (ABS)

The manual provides a thorough overview of the ABS system, including its Bosch design, hydraulic unit operation, speed sensors, and electronic control unit. Troubleshooting guides and wiring diagrams are included.

Supplemental Restraint System (SRS)

Detailed information on the SRS components, including the airbag module, ETR, sensors, and control unit, is provided. Testing procedures for the SRS warning light, voltage converter, and air bag circuits are outlined.

Transmission Service

Coverage includes transmission applications for W4A020 and W4A040 models, along with detailed descriptions of their operation, including gear shifts and hydraulic system pressures. Troubleshooting for common transmission issues is also featured.

This manual documents torque specifications for critical engine components to ensure proper assembly and function, contributing to axial load stability.

FAQ

What are the **specified** tool requirements for SRS system testing? keyboard_arrow_down

126-589-10-21-00 is the SRS Tester required for voltage and resistance measurements and system testing, ensuring proper diagnosis.

What are the **essential** electrical values for the ABS system? keyboard_arrow_down

For the ABS system, battery voltage should be above 10.5 volts for proper operation, with specific testing values for various components outlined in the manual.

Specify the **correct** brake fluid for ABS systems. keyboard_arrow_down

Only DOT 3, DOT 4, or DOT 5.1 brake fluids are recommended for ABS systems; DOT 5 (silicone) brake fluid is prohibited.

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