Ford XT-5-QMC MERCON V Automatic Transmission and Power Steering Fluid
Priced as of May 20, 2026
4.8(2,725 ratings)Subscribe & Save: $14.22 (5% off)Buy on AmazonSaved to your guest loadout. Sign up to also save to your Cabinet (consumables) or Kit (tools you own).
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CarCareTruth's Analysis
Last reviewed May 26, 2026
TL;DR Ford's genuine OEM ATF-type power steering fluid for Ford, Lincoln, and Mercury vehicles specifying MERCON V or MERCON. The reference formulation, not an aftermarket match. Prop 65 warning applies.
What it is and how it performs
Ford's own MERCON V fluid (license M5091101) for power steering and automatic transmission service on Ford, Lincoln, and Mercury platforms. Hydrotreated petroleum base oil with a viscosity index of 205 for strong cold-flow and high-temp stability, plus an additive package covering wear protection, oxidation resistance, and corrosion inhibition. 4.8 stars across 2,725 Amazon reviews; owners confirm direct-fit compatibility with no pump noise.
Who should buy this — and who should skip it
For any Ford, Lincoln, or Mercury owner whose service manual specifies MERCON V or MERCON for the power steering reservoir or automatic transmission. Skip it for applications calling for MERCON SP, MERCON LV, FNR5, or Type-F — these are distinct, incompatible specs. Skip for European and Japanese platforms requiring their own OEM hydraulic fluids. Skip if your vehicle has electric power steering (EPS) — EPS systems do not use hydraulic fluid.
Safety and environmental impact
The SDS classifies this product as NOT CLASSIFIED under GHS — no signal word, no H-codes at the mixture level, HMIS Health = 0. The SDS explicitly states no aspiration hazard. A Prop 65 warning is on the bottle label; the triggering substance is not disclosed. Drain-destined: collect old fluid during a flush and take it to an automotive fluid recycler.
Frequently asked questions
What Ford vehicles require MERCON V power steering fluid?▾
Ford, Lincoln, and Mercury vehicles whose owner's manual or service documentation specifies MERCON V or MERCON type fluid. Common applications include Ford rack-and-pinion power steering systems on models from the late 1990s through the mid-2010s. Always verify with your owner's manual — MERCON V is not the correct fluid for vehicles specifying MERCON SP, MERCON LV, or electric power steering.
Can I use MERCON V in a transfer case?▾
No. The product label explicitly states: 'Do not use in transfer cases where MERCON ATF was previously recommended.' Transfer case applications require a specific fluid — check your owner's manual for the correct specification.
Is MERCON V the same as MERCON SP or MERCON LV?▾
No. These are distinct specifications with different additive packages and viscosity profiles. MERCON V must not be used in applications specifying MERCON SP or MERCON LV. Substituting the wrong MERCON variant can damage clutch packs in automatic transmissions that specify a different spec.
Can I use a third-party MERCON V fluid instead of the Ford-branded version?▾
Aftermarket ATF formulations licensed for MERCON V (look for the Ford license number on the label) are generally acceptable. Ford's own XT-5-QMC is the reference formulation the spec was designed around. If using an aftermarket product, confirm it carries a valid MERCON V license number — 'meets or exceeds MERCON V' without a license number is a marketing claim, not a certification.
From the manufacturer
Marketing copy from Ford, via Amazon. Not editorial.
- •Motorcraft MERCON V is a premium-quality automatic transmission fluid
- •Recommended by Ford Motor Company for use in Ford, Lincoln and Mercury vehicles that require either MERCON V or MERCON type fluid
- •Do not use in applications where MERCON SP, MERCON LV, continuously variable chain type transmission fluid, Motorcraft premium automatic transmission fluid, FNR5 automatic transmission fluid or Type-F automatic transmission fluid is recommended
- •Do not use in transfer cases where MERCON ATF was previously recommended
- •Motorcraft MERCON V is suitable for use as a hydraulic oil in a wide variety of industrial applications that call for an ISO 46 or SAE 20W viscosity grade hydraulic oil
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Manufacturer videos
Manufacturer specifications
- Material
- Mineral Oils
- Brand
- Ford
- Package Information
- Bottle
- Liquid Volume
- 16 Fluid Ounces
- Item Weight
- 16 Ounces
- Brand Name
- Ford
- Recommended Uses For Product
- Transmission Fluid
- Specific Uses For Product
- Automobile Transmission Lubrication
- Item Form
- Liquid
- Manufacturer
- Ford
- Unit Count
- 32.0 Fluid Ounces
- Part Number
- XT-5-QMC
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