Description
Factory Mercedes-Benz E-Class W124 Workshop Manual (1986–1995)
This official factory-level service manual covers the complete Mercedes-Benz W124 E-Class lineup sold in the US and worldwide from 1986 through 1995, giving technicians and serious DIYers full access to OEM repair procedures, wiring diagrams, and torque specifications.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | M102 2.0L & 2.3L I4; M103 2.6L & 3.0L I6; M104 2.8L & 3.2L I6; M119 4.2L & 5.0L V8 |
| Diesel | OM601 2.0L I4; OM602 2.5L I5; OM603 3.0L I6 |
| Transmissions | 4-speed & 5-speed manual; 4G-TRONIC 4-speed automatic |
| Drive | RWD |
| Model Years | 1986–1995 |
| Badge Twins | 300E, 300CE, 300TE, 300D, 260E, 400E, 500E (Porsche-assembled), E320, E420; S124 Estate, C124 Coupe, A124 Cabriolet |
Common W124 Repairs Covered
| System | Procedures |
|---|---|
| Engine Mounts | Hydraulic engine mount inspection, removal, and replacement — a well-known W124 wear item causing vibration at idle |
| Climate Control (ATC) | Automatic climate control servo motor diagnosis, blend door adjustment, refrigerant recharge procedures |
| Front Suspension | Front subframe bushing replacement, ball joint service, and steering damper swap — common at high mileage |
| Electrical System | Instrument cluster wiring harness inspection and repair, ABS module diagnostics, central locking fault tracing |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Why do W124 hydraulic engine mounts fail, and does the manual cover replacement?
The W124 uses fluid-filled hydraulic engine mounts that degrade over time, leading to rough idle vibration and drivetrain shudder. The manual includes full removal and installation procedures with torque values for both the M102/M103 and M104 engine applications, making this a straightforward DIY repair once you have the correct part.
Does this manual cover the Porsche-assembled 500E?
Yes. The 500E (and its 1994–1995 successor, the E500) rides on the standard W124 platform and shares the same chassis systems. The manual covers the M119 5.0L V8 engine found in the 500E, along with all associated drivetrain, suspension, and electrical content specific to that variant.
Are complete wiring diagrams included for the ABS and climate control systems?
Full circuit diagrams are included for all major electrical systems, including the Bosch ABS unit, the automatic climate control (ATC) module, central locking, power windows, and engine management. Diagrams show connector pin-outs, wire colors, and component locations to support systematic fault diagnosis.
What format is the manual?
The manual is delivered as a fully searchable PDF file. After purchase you receive an instant download link, and your access is permanent — you can re-download the file at any time at no additional charge. The PDF is compatible with Windows, Mac, iOS, and Android devices.
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