2015–2021 Mercedes-Benz C300 Oil Change
Exact oil type, capacity, filter part numbers, drain plug size and torque for the 2015–2021 Mercedes-Benz C300 with the M274 2.0T engine, plus the tools you'll need and a step-by-step video.
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Mercedes 2.0L Turbo — C300/GLC/E300 2015–2021
2015–2021 C300 · 2015–2021 C-class · 2016–2021 Glc300 · 2016–2021 Glc · 2017–2021 E300 · 2017–2021 E-class · 2017–2018 Slc300 · 2016 Slk300 · 2015–2019 Cla · 2015–2020 Gla250
Some Experience Helpful
✅ The M274 engine covers a huge range of popular Mercedes models. Cartridge filter on top of engine — one of the easier Mercedes oil changes. Quality full synthetic only.
Specs not yet verified. We're still checking this guide's oil type, capacity, part numbers and torque against the manufacturer's data. Confirm them in your owner's manual before you start.
Oil Type
5W-30 Full Synthetic
Capacity
6.3 quarts (with filter)
Oil Filter
Mercedes #6511800009 | Mann W7015
Engine Code
M274 2.0T
Tools You'll Need
- 27mm oil filter housing cap socket (Mercedes-specific — essential)
- 13mm drain plug socket or wrench
- Oil filter wrench (cap socket type)
- Oil drain pan — minimum 2 gallon capacity
- Torque wrench
- New crush washer (Mercedes #0009977551)
- Funnel
- Rags or shop towels
Instructional Video
Video by FCP Euro — Watch on YouTube ↗
| Drain plug size | 13mm | Torque: 22 ft-lbs |
| Crush washer | Mercedes #0009977551 |
| Filter type | Cartridge — requires cap socket |
| Filter location | Top of engine — easy access |
| Oil change interval | 5,000–10,000 miles (full synthetic) or per OEM monitor |
| Oil life reset | Settings → Service → Oil Service → Confirm Reset |
🛢️ Oil Pal tip: At 6.3 quarts Oil Pal handles this drain comfortably.
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