Description
Factory Mercedes S Class W223 Workshop Manual (2020–2022)
This is the official factory-level workshop manual for the Mercedes-Benz S Class W223, covering all US-market and global variants from the 2020 through 2022 model years. Whether you’re tackling a timing chain replacement or diagnosing MBUX electronics, this resource delivers dealer-grade depth.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | M256 3.0L I6 Turbo (S450/S500), M176 4.0L V8 Twin-Turbo (S580, AMG S63/S63e), EQ Boost mild-hybrid, plug-in hybrid |
| Diesel | OM656 3.0L I6 Turbo (S350d, S400d) |
| Transmissions | 9G-TRONIC 9-speed automatic |
| Drive | RWD, 4MATIC AWD |
| Model Years | 2020–2022 |
| Badge Twins | V223 long-wheelbase, Mercedes-AMG S63, Mercedes-Maybach S Class (X223) |
Common S Class W223 Repairs Covered
| System | Procedures |
|---|---|
| M256 Timing Chain | Timing chain tensioner inspection, guide rail replacement, chain stretch diagnosis and renewal |
| E-Active Body Control Suspension | Hydraulic strut removal, control unit calibration, sensor replacement, fault code diagnosis |
| 48V EQ Boost System | Integrated starter-generator service, 48V battery inspection, belt-driven ISG replacement procedures |
| MBUX Electrical / CAN Bus | Wiring diagrams, CAN bus network diagnostics, control module pinouts, ground point locations |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Does the manual cover both the standard and long-wheelbase W223?
Yes. Both the standard-wheelbase W223 and the extended-wheelbase V223 body styles are covered, including all trim levels from the S450 through the AMG S63e. The Maybach X223 shares many mechanical procedures that are also documented here.
Which engine codes are included for the S Class W223?
The manual includes full service procedures for the M256 (3.0L I6 turbo), M176 (4.0L V8 twin-turbo), and OM656 (3.0L I6 diesel), along with the 48V EQ Boost mild-hybrid integration found across multiple variants.
Are wiring diagrams and MBUX electronics documented?
Yes. Comprehensive circuit diagrams cover the MBUX infotainment system, digital instrument cluster, E-Active Body Control suspension electronics, driver assistance systems, CAN bus networks, and full connector pinout specifications for all electronic control modules.
What format is the manual?
This manual is a PDF file delivered via instant download. It is fully searchable, zoomable, and printable on any Windows, Mac, tablet, or smartphone device.
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