Engine oil technical data · Castrol
Castrol MAGNATEC STOP-START 5W-30
Castrol MAGNATEC STOP-START 5W-30 is a 5W-30 engine oil (ACEA A3/B3, A3/B4 · API SL/CF). According to the manufacturer's data sheet it has a viscosity of 71 mm²/s at 40 °C, 12.1 mm²/s at 100 °C, a viscosity index of 168, a pour point of −45 °C and sulphated ash of 1.1 %.
Data sheet ↗ Data verified: 4 Nov 2026
Parameters from the data sheet
| Parameter | Value | Class median 5W-30 |
|---|---|---|
| Viscosity 40 °C | 71 mm²/s | 70 mm²/s |
| Viscosity 100 °C | 12.1 mm²/s | 11.8 mm²/s |
| Viscosity index | 168 | 168 |
| TBN | not stated | |
| CCS −30 °C | 5600 mPa·s | 6000 mPa·s |
| Pour point | −45 °C | −42 °C |
| Flash point | 210 °CMeasured in a closed cup (PMCC), so lower than the COC values in the other rows. | 228 °C |
| Density | 0.852 g/cm³ | 0.854 g/cm³ |
| HTHS 150 °C | not stated | |
| Sulphated ash | 1.1 % | 1.25 % |
All 5W-30 oils → See the class table for a detailed comparison with other oils.
Specifications and approvals
- Specification
- ACEA A3/B3, A3/B4 · API SL/CF
- Approvals and recommendations
- MB 226.5/229.3/229.5, RN0700/RN0710, VW 502 00/505 00
Similar oils
Oils in the 5W-30 class with the closest parameters and the same specification.
- Valvoline All-Climate SAE 5W-30ACEA A3/B3, A3/B4 · API SL/CF
- SHELL HELIX ULTRA 5W-30ACEA A3/B3, A3/B4 · API SL, SN
- Mannol Energy 5W-30ACEA A3/B3 · API SL/CF
- MOL ESSENCE 5W-30ACEA A3/B4 · API SL/CF
- SHELL HELIX ULTRA PROFESSIONAL AB 5W-30
- MITAN Alpine RSL 5W-30 GMACEA A3/B4 · API SM/CF