Description
Factory Mercedes SLC Class SLC 300 Workshop Manual (2016-2020)
This is the same dealer-level workshop software trusted by Mercedes-Benz service centers to maintain and repair the R172-chassis SLC 300 roadster – now available for instant download to US owners and independent technicians.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | M274 2.0L turbocharged inline-4 (~241 hp / 273 lb-ft) |
| Diesel | N/A (US market) |
| Transmissions | 9G-TRONIC 9-speed automatic |
| Drive | RWD |
| Model Years | 2016-2020 |
| Badge Twins | Successor to SLK 300 (R172 chassis shared) |
Common SLC 300 Repairs Covered
| System | Procedures |
|---|---|
| M274 Timing Chain | Timing chain tensioner inspection, guide replacement, and chain stretch diagnosis – a known wear item on the M274 engine |
| Retractable Hardtop (Vario-Roof) | Hydraulic actuator service, limit-switch calibration, latch mechanism adjustment |
| 9G-TRONIC Transmission | Fluid and filter service, valve body inspection, adaptation reset procedures |
| ESP / ABS System | Wheel speed sensor replacement, hydraulic control unit bleeding, fault code diagnosis |
Format & Delivery
Dealer workshop software (NOT a PDF). Runs natively on Windows 7/8/10/11; also compatible with Mac via Boot Camp or Parallels, and Linux via Wine or VirtualBox. Instant download; lifetime re-downloads.
Frequently Asked Questions
Is the SLC 300 timing chain a maintenance item I should watch?
Yes. The M274 2.0L turbo engine used in the SLC 300 is known for timing chain tensioner wear, particularly on higher-mileage examples. The manual includes full inspection intervals, tensioner replacement torque specs, and chain elongation measurement procedures to address this before it becomes a costly repair.
How does the SLC 300 relate to the older SLK lineup?
The SLC 300 replaced the SLK 300 in 2016 as part of a nameplate refresh; both share the R172 chassis platform. The fundamental roadster architecture – including the Vario-Roof retractable hardtop system – carries over, meaning much of the structural and roof-mechanism content in this manual is relevant to late SLK owners as well.
Does the software cover the retractable hardtop electrical and hydraulic circuits?
Absolutely. The Vario-Roof system is documented in full, including hydraulic pump pressures, actuator sequencing, limit-switch locations, wiring schematics with pin assignments, and calibration procedures for the roof latch and folding mechanisms.
What format is the manual?
This is professional dealer-level workshop software – not a PDF. After downloading, you install the application on a Windows PC (or Mac/Linux with virtualization) to access an interactive interface with searchable repair procedures, zoomable diagrams, wiring schematics, and torque specifications – the same toolset used by Mercedes-Benz dealership technicians.
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