Description
Factory Mercedes S Class S550 4Matic Workshop Manual (2014–2017)
This is the authoritative factory-level service manual for the W222-generation Mercedes-Benz S550 4Matic, covering every repair and maintenance procedure your technician or dedicated DIYer needs to keep this flagship sedan in peak condition.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | M278 4.7L twin-turbocharged V8 (449 hp / 516 lb-ft) |
| Diesel | N/A |
| Transmissions | 7G-TRONIC PLUS 7-speed automatic |
| Drive | 4Matic AWD (standard and long-wheelbase) |
| Model Years | 2014, 2015, 2016, 2017 |
| Badge Twins | S550 4Matic, S550 4Matic L (long-wheelbase) — W222 chassis |
Common S550 4Matic Repairs Covered
| System | Procedures |
|---|---|
| AIRMATIC Suspension | Air strut replacement, compressor service, height sensor calibration |
| M278 Engine | Cam adjuster solenoid replacement, oil separator service, timing chain tensioner inspection |
| 7G-TRONIC PLUS Transmission | Fluid and filter service, adaptation reset, valve body diagnostics |
| Electrical / COMAND | Wiring diagrams, control module locations, infotainment and comfort module fault diagnosis |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Is the AIRMATIC air suspension system fully covered in this manual?
Yes. The manual includes complete AIRMATIC diagnostic and repair procedures, covering air strut replacement, compressor testing, ride-height sensor adjustment, and system bleeding — all common service needs on the W222 S550 4Matic.
Does this manual cover both the standard and long-wheelbase S550 4Matic?
It covers both the standard-wheelbase S550 4Matic and the long-wheelbase S550 4Matic L (sometimes designated S550 4Matic Long), both riding on the W222 platform introduced for the 2014 model year.
Are wiring diagrams and electrical diagnostics included?
Comprehensive wiring diagrams are included, spanning engine management, the 7G-TRONIC PLUS transmission controller, COMAND infotainment, comfort and lighting modules, advanced driver-assistance systems, connector pinouts, and fuse/relay box layouts.
What format is the manual?
The manual is a fully searchable PDF, compatible with Windows and Mac computers, tablets, and smartphones. Individual pages or full sections can be printed for shop use, and built-in bookmarks allow rapid navigation to any procedure.





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