1994 Mercedes-Benz S420 Oil Type & Capacity
The 1994 Mercedes-Benz S420 takes 5W-30 motor oil — 8.5 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 8.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| S420 — 4.2L Eng | SAE 5W-30: Below 14Deg F (-10Deg C). SAE 10W-30: Above -14Deg F (-20 Deg C). SAE 20W-40, 20W-50: Above 32Deg F (0Deg C). SAE 15W-40, 15W-50: Above 5Deg F (-15Deg C). SAE 10W-40, 10W-50: Above -4Deg F (-20Deg C) | 8.50 QTS. | — | Use Mercedes-Benz approved engine oil only. See bulletin No. S-0473-08B (Mercedes-Benz Factory Approved Service Products). |
Buy the right oil
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More specs & repair guides for your S420
1994 Mercedes-Benz S420 factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
16.4 quarts (15.52 L) — MB Anticorrosion/Antifreeze
Frequently asked questions
What type of oil does a 1994 Mercedes-Benz S420 take?
The 1994 Mercedes-Benz S420 takes 5W-30 motor oil (SAE 5W-30: Below 14Deg F (-10Deg C). SAE 10W-30: Above -14Deg F (-20 Deg C). SAE 20W-40, 20W-50: Above 32Deg F (0Deg C). SAE 15W-40, 15W-50: Above 5Deg F (-15Deg C). SAE 10W-40, 10W-50: Above -4Deg F (-20Deg C)), per the factory service manual.
How much oil does a 1994 Mercedes-Benz S420 take?
The 1994 Mercedes-Benz S420 holds 8.5 quarts with a filter change.
Can I use synthetic oil in my 1994 Mercedes-Benz S420?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1994 Mercedes-Benz S420. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.