Description
Factory Mercedes ML230 Workshop Manual (1998-2001)
This is the official Mercedes-Benz dealer-level software manual for the W163 ML230, covering all model years from 1998 through 2001. US and international market specifications are both addressed, giving American owners and technicians the same diagnostic depth available at a Mercedes main dealer.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | 2.3L M111 E23 inline-four (~150 hp) |
| Diesel | N/A |
| Transmissions | 5-speed manual; 5-speed automatic |
| Drive | 4WD (4MATIC) |
| Model Years | 1998, 1999, 2000, 2001 |
| Badge Twins | N/A |
Common ML230 Repairs Covered
| System | Procedures |
|---|---|
| M111 Timing Chain | Tensioner inspection, chain replacement, timing re-alignment – a known wear item on the M111 engine |
| Transfer Case | 4WD engagement diagnosis, fluid service, and actuator replacement |
| Front Axle / Suspension | Ball joint replacement, control arm bushings, and front differential service |
| ABS / ESP Module | Wheel speed sensor testing, hydraulic unit bleeding, and fault code diagnosis |
Format & Delivery
Dealer software. Instant download; lifetime re-downloads.
Frequently Asked Questions
Is the M111 timing chain covered in detail for the ML230?
Yes. The M111 E23 engine in the W163 ML230 is known for timing chain tensioner wear, particularly on higher-mileage units. The manual provides full disassembly and reassembly sequences, tensioner replacement specs, and torque values needed to perform this repair correctly.
Does this manual cover both the 5-speed manual and automatic transmissions?
Both gearbox variants are fully covered. The 5-speed automatic section includes valve body service, torque converter procedures, and fluid specifications, while the manual transmission section addresses clutch adjustment, gear selector linkage, and rebuild guidance.
Does the manual include wiring diagrams and electrical diagnostics?
Yes. Complete electrical schematics are included, covering engine management, ABS/ESP circuits, climate control, power windows and locks, lighting systems, and instrument cluster wiring. Connector pin assignments and ground locations are identified throughout.
What format is the manual?
This manual is delivered as Mercedes dealer software – the same platform used by authorized Mercedes-Benz service centers. It is fully searchable by model, year, engine code, and gearbox code, and runs on Windows (XP through 11) as well as Mac and Linux systems.





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