Mercedes 250SE Transmission Fluid Parts

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Mercedes 250SE
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ATF, Automatic Transmission Fluid
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For Mercedes models with automatic transmission up through 722.4XX type mechanical transmission specifying Dexron III fluid. NOT for use in any later model electronic transmissions (722.5xx, 722.6xx, 722.7xx).
1966, 1967 Mercedes 250SE
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Leaves closest warehouse today if ordered before 2 PM MST.
$21.29
Reg
$22.18
List
$27.00

Mercedes 250SE transmission fluid typically cost between $21.29 and $21.29.

Transmission Fluid Capacity and Specification For Mercedes 250SE

  • 1966-1967 Mercedes 250SE (W108, 2.5L I6)
    • Transmission: 4-speed automatic (Type 722.2/722.0)
    • Fluid Capacity (complete change including torque converter): 7.4 quarts
    • Fluid Specification: Mercedes-Benz ATF Type A or Dexron II
  • 1968 Mercedes 250SE (W108, 2.5L I6)
    • Transmission: 4-speed automatic (Type 722.2/722.0)
    • Fluid Capacity (complete change including torque converter): 7.4 quarts
    • Fluid Specification: Mercedes-Benz ATF Type A or Dexron II

What Type Of Transmission Fluid Does The Mercedes 250SE Require?

Choosing the right Mercedes 250SE transmission fluid keeps shifting smooth and helps the transmission last. By sticking close to what the factory called for, you avoid surprises. These cars were built for ATF Type A, but since that’s tough to find, Dexron II works for most drivers, and many now go for Dexron III. A few owners swear by German or European brands if they can get them, hoping for something a little closer to original feel. The wrong fluid often brings rough shifts, problems down the line, and headaches nobody needs. Double-check specs in your owner’s manual before pouring anything new in, and only use fluid that’s up to Mercedes-Benz’s mark.

How Often Should I Change The Transmission Fluid In My Mercedes 250SE?

It’s smart to change Mercedes 250SE transmission fluid about every 30,000 to 40,000 miles, but old machines like this rarely stick to the book. Years pile on, seals dry out, parts age, and most classic owners know fresh fluid matters. If your driving includes city stops, heavy loads, or lots of heat, swapping fluid even sooner won’t hurt. Look for brown coloring or a burnt smell, both clear warnings to act now. Dipstick checks don’t take long, and keeping notes on past changes helps dodge guesswork. Sitting for months? That old fluid may be stale before mileage even counts.

What Are Signs That My Mercedes 250SE Transmission Fluid Needs Changing?

A classic will tell you when Mercedes 250SE transmission fluid needs changing, but you have to listen. Hard or jerky shifting, slipping, or a pause when you jump into drive raise a red flag. Any weird noise—buzzes, whines, clunks—should get your attention, too. Check your dipstick for cloudy, dark, or gritty fluid, or anything that smells toasted. Ignore those signals, and the repair bill won’t be pretty. Preventative care saves trouble, especially since gaskets and seals on a car this age fight a losing war with old fluid. Keep a close watch and service before little problems turn big.

How Much Transmission Fluid Does The Mercedes 250SE Hold?

Complete swaps of Mercedes 250SE transmission fluid call for about 7 to 8 quarts if you’re flushing the torque converter and replacing everything. Typical service—just a pan removal and filter—takes closer to 3.5 to 4 quarts. What matters most is matching what you take out, since every old transmission holds a little different. Don’t skip the dipstick step with the engine running and the car warmed up in park. Overfilling can puff out seals; too little fluid, and you risk starved gears. Use service manuals for exact specs, or go slow and add a bit at a time.

Can I Change The Mercedes 250SE Transmission Fluid Myself?

Plenty of owners handle a Mercedes 250SE transmission fluid change in the driveway, armed with patience and a handful of simple tools. Set the car up on solid ground, grab a big drain pan, and work clean—dirt ruins transmissions faster than age. Most jobs only need a socket set, a new filter, and a gasket. Do the job slow, double-checking every bolt and cleaning the pan well. Disposal matters, so take the old ATF to a safe drop-off. If you want to do a complete flush, catch the extra steps for the torque converter and be ready for stubborn old fittings. Not everybody likes rolling under their classic, so if you’d rather pay a shop, that’s fine too.

How Can You Find The Right Transmission Fluid For Your Mercedes 250SE?

When it’s time to stock up on transmission fluid for the Mercedes 250SE, we try to keep the process simple. At AutohausAZ, we line shelves with high-quality options and price them to go—no searching, no sticker shock. We buy deep so the savings get passed on, and once you hit the checkout, your order gets boxed and shipped quickly, usually before you’ve finished a cup of coffee. No pressure, no long waits. If you pick wrong or change your mind, our returns are easy—nobody enjoys paperwork. We break down the specs, post clear fitment guide charts, and label parts with full details so you don’t end up with the wrong bottle. Trouble? Our support crew picks up the phone or answers emails fast, with answers from people who like talking about old Mercedes almost as much as you do. In the end, we just want you driving—confident, happy, and with the car running the way it should.