Vehicle database
MERCEDES-BENZ SLC-Class
R172 facelift / 2017 / 2-door convertible
Global (Europe, North America, select Asia markets)Coverage: expanded
Year and trim selector
Choose the exact year and trim to see engine, oil and service details.
Engine codes by year
| Year | Trim | Engine codes | Displacement | Fuel system |
|---|---|---|---|---|
| 2017 | technical-profile | M270 DE 20 AL (SLC 200), M274 DE 20 AL (SLC 300), M276 DE 30 AL (SLC 43 AMG) | 1.991 L (I4), 1.991 L (I4), 2.996 L (V6) | Direct injection with turbocharging |
Oil capacity by engine
| Year | Engine codes | Oil type | Oil capacity | Fluid |
|---|---|---|---|---|
| 2017 | M270 DE 20 AL (SLC 200), M274 DE 20 AL (SLC 300), M276 DE 30 AL (SLC 43 AMG) | Fully synthetic Mercedes-Benz approved engine oil (e.g., MB 229.5 or later) | Approximately 6.9 liters service fill with filter change (varies slightly by engine) | Mercedes-Benz approved ATF (specified per transmission type) |
Technical specifications
- Engines: M270 DE 20 AL (SLC 200), M274 DE 20 AL (SLC 300), M276 DE 30 AL (SLC 43 AMG)
- Transmissions: 6-speed manual available in some markets for lower trims, 7G-TRONIC (7-speed automatic) or 9G-TRONIC (9-speed automatic) depending on market and engine, Mercedes-Benz approved ATF (specified per transmission type)
- Tire sizes: 225/45 R18 (standard), 245/40 R18 or 19 for AMG variant
- Bolt pattern: Verify by exact trim and wheel package
- Wheel torque: Verify by VIN and wheel package
- Battery: Verify by engine, market and equipment package
Fluids and service data
- Engine oil: Fully synthetic Mercedes-Benz approved engine oil (e.g., MB 229.5 or later)
- Transmission fluid: Mercedes-Benz approved ATF (specified per transmission type)
- Coolant: Approx. 7 liters
- Brake fluid: DOT4
Known problems
- Electrical issues with COMAND system
- Steering rack wear in high mileage
- Turbocharger wastegate rattling in some 4-cylinder engines