Description
Factory Mercedes SL550 Workshop Manual (2012–2020)
This is the official Mercedes-Benz dealer-level workshop software for the R231-chassis SL550 roadster, covering every model year from 2012 through 2020 and giving US technicians the same repair intelligence used at authorized Mercedes dealerships.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | M278 4.7L Twin-Turbocharged V8 (449 hp @ 5,250 rpm / 516 lb-ft torque) |
| Diesel | N/A |
| Transmissions | 7G-TRONIC PLUS 7-speed automatic (722.9); 9G-TRONIC 9-speed automatic (later models) |
| Drive | RWD |
| Model Years | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
| Badge Twins | N/A |
Common SL550 Repairs Covered
| System | Procedures |
|---|---|
| ABC Active Body Control Suspension | Hydraulic strut replacement, pump service, pressure testing, and fault-code diagnostics for the active suspension control module |
| Vario-Roof Retractable Hardtop | Hydraulic pump overhaul, position-sensor calibration, roof control module fault diagnosis, and emergency manual operation procedure |
| M278 V8 Biturbo Engine | Timing chain tensioner replacement, turbocharger oil-feed line service, valve cover gasket replacement, and full engine rebuild sequences |
| 7G-TRONIC / 9G-TRONIC Transmission | Valve body removal and diagnostics, fluid and filter service, conductor-plate replacement, and adaptive reset procedures |
Format & Delivery
OEM dealer software (NOT a PDF) — the same interactive repair platform used by Mercedes-Benz authorized service centers. Features searchable procedures, exploded diagrams, integrated torque specifications, and CAN bus diagnostics. Runs on Windows 11, 10, 8, 7, Vista, XP, Mac, and Linux. Instant download; lifetime re-downloads.
Frequently Asked Questions
Why does my SL550 ABC suspension warning light come on?
The R231 SL550’s Active Body Control system commonly triggers warnings due to hydraulic pump wear, low ABC fluid pressure, or failing strut seals. This manual includes complete pressure-testing procedures, fault-code lookup tables for the ABC control module, and step-by-step strut replacement sequences to resolve these faults properly.
Does this manual cover both the pre-facelift and post-facelift R231 models?
Yes. The R231 received a mid-cycle refresh for the 2017 model year. This software covers all R231 SL550 variants from 2012 through 2020, including pre-facelift and facelift body panels, updated COMAND infotainment wiring, and revised 9G-TRONIC transmission integration introduced in later production years.
Are wiring diagrams and COMAND system diagnostics included?
Full electrical documentation is included — circuit diagrams with connector pinouts, wire colors, ground-point locations, and CAN bus network maps. The COMAND infotainment system, retractable hardtop electronics, parking sensors, and all comfort-module wiring are covered in detail.
What format is the manual?
This is professional OEM Mercedes-Benz dealer workshop software — NOT a PDF. It is the same interactive diagnostic and repair platform used by authorized dealerships, featuring guided procedures, component locators with exploded-view diagrams, and real-time navigation between related systems. It runs on Windows and Mac/Linux environments.
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