2005 Mercury Montego Oil Type & Capacity

The 2005 Mercury Montego takes 5W-20 motor oil — 6.0 quarts with a filter change, per the factory service manual.

Factory-spec answer

5W-206.0 quarts with filter

Oil capacity by engine

EngineOil Type (viscosity)Capacity w/ FilterCapacity w/o FilterNotes
Base, AWDSAE 5W-20 Premium Synthetic Blend Motor Oil6.00 QTS.Use of synthetic or synthetic blend motor oil is not mandatory. Engine oil need only to meet the requirements of FORD Specification: WSS-M2C930-A and the API Certification mark.
Base, FWDSAE 5W-20 Premium Synthetic Blend Motor Oil6.00 QTS.Use of synthetic or synthetic blend motor oil is not mandatory. Engine oil need only to meet the requirements of FORD Specification: WSS-M2C930-A and the API Certification mark.
Premier, AWDSAE 5W-20 Premium Synthetic Blend Motor Oil6.00 QTS.Use of synthetic or synthetic blend motor oil is not mandatory. Engine oil need only to meet the requirements of FORD Specification: WSS-M2C930-A and the API Certification mark.
Premier, FWDSAE 5W-20 Premium Synthetic Blend Motor Oil6.00 QTS.Use of synthetic or synthetic blend motor oil is not mandatory. Engine oil need only to meet the requirements of FORD Specification: WSS-M2C930-A and the API Certification mark.

Buy the right oil

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More specs & repair guides for your Montego

2005 Mercury Montego factory service manualAll fluid capacities (transmission, coolant, brakes)

Powered by factory manual data from our partner site AllOEMManuals.com.

Coolant capacity

11.6 quarts (10.97 L) — FORD Premium Gold Engine Coolant. Add the coolant type originally equipped in the vehicle.

Frequently asked questions

What type of oil does a 2005 Mercury Montego take?

The 2005 Mercury Montego takes 5W-20 motor oil (SAE 5W-20 Premium Synthetic Blend Motor Oil), per the factory service manual.

How much oil does a 2005 Mercury Montego take?

The 2005 Mercury Montego holds 6.0 quarts with a filter change.

Can I use synthetic oil in my 2005 Mercury Montego?

Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2005 Mercury Montego. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.

Other Mercury Montego years

2007 Montego2006 Montego

Other Mercury models

CapriCougarGrand MarquisLN7LynxMarauderMarinerMarquisMilanMontereyMountaineerMystiqueSableTopazTracerVillagerZephyr