Mercedes G55 Transmission Fluid Parts

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Mercedes G55
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Accessories and Fluids
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ATF, Automatic Transmission Fluid
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This brand is sold in a 1 liter bottle.
2003-2015 Mercedes G55 AMG, G550
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$13.69
Reg
$14.26
List
$27.00
OEM
Developed for models with 722.9xx 7-speed automatic transmissions but can also be used in older models with 722.6xx 5-speed automatic transmissions. This is a high performance fluid that meets MB standards...
2003-2015 Mercedes G55 AMG, G550
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Leaves closest warehouse tomorrow.
$11.39
Reg
$11.86
List
$27.00
Meets Mercedes Benz specification 236.14 for models with 722.9xx 7-speed automatic transmission but can also be used in older models with 722.6xx 5-speed automatic transmission.
2003-2015 Mercedes G55 AMG, G550
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$19.29
Reg
$20.09
List
$23.50
This brand is sold in a 1 liter bottle.
2003-2015 Mercedes G55 AMG, G550
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Leaves closest warehouse tomorrow.
$12.19
Reg
$12.70
List
$32.50

Based on industry averages you can expect to pay between $11.39 and $19.29 for a Mercedes G55 transmission fluid.

Transmission Fluid Capacity and Specification For Mercedes G55

  • 2003-2004 G55 AMG (5.4L V8, M113 engine)
    • Transmission: 5-speed automatic (722.6)
    • Capacity: 8.5 quarts (full change including torque converter)
    • Specification: MB 236.14 or MB 236.10 approved ATF
  • 2005-2011 G55 AMG (5.4L Kompressor V8, M113K engine)
    • Transmission: 5-speed automatic (722.6)
    • Capacity: 8.5 quarts (full change including torque converter)
    • Specification: MB 236.14 or MB 236.10 approved ATF

What Type Of Transmission Fluid Does The Mercedes G55 Require?

Picking the correct Mercedes G55 transmission fluid is one of those things owners shouldn’t guess on. Most mechanics steer drivers toward OE-spec synthetic ATF, and for the G55, that means fluid certified to MB 236.10, 236.12, or one of the latest Mercedes approvals. Avoid off-brand choices—these might save cash up front but can hurt your G’s shifting down the road. Double check the bottle, your owner’s manual, and a trusted supplier before filling up with Mercedes G55 transmission fluid.

How Often Should The Transmission Fluid Be Changed?

Everyone hears something different about Mercedes G55 transmission fluid change intervals. “Lifetime fill” comes up a lot, but most shops—and plenty of G owners—play it safe and swap fluid every 40,000 to 50,000 miles or so. Harder use calls for shorter intervals. Neglected fluid loses protective ability and can cause problems, whether you daily the truck or tow with it. Staying ahead on fluid keeps the gearbox happy, and saves big money on repairs that nobody wants.

What Are The Signs That My Transmission Fluid Needs To Be Changed?

Some drivers notice the transmission isn't acting the same. Maybe it hesitates going into gear or shifts feel off. Burnt smell, or obviously dark and dirty Mercedes G55 transmission fluid, shows it’s overdue. Sometimes you even spot little flecks or foam. Ignoring any of these warnings risks turning a fluid swap into a full-blown mechanical fix. A quick check and new fluid often clears things up and buys peace of mind.

How Do I Check The Transmission Fluid Level Correctly?

Mercedes shifted away from the simple dipstick on many G55 models, making what used to be a five-minute check more tricky. If you do have a dipstick, the drill is familiar: get the engine warm, keep the truck flat, put the transmission in park, and check the stick after wiping and reinserting it. If not, checking Mercedes G55 transmission fluid needs a special dipstick or even shop equipment. Don’t try to guess—too much or too little hurts the transmission just the same.

Is It Safe To Flush The G55 Transmission Or Should I Do A Drain And Fill?

Plenty of people debate flushing versus drain-and-fill for Mercedes G55 transmission fluid. Flushing seems thorough but can loosen up hidden debris. Most independent shops and Mercedes dealers favor a traditional drain and refill. Sometimes they repeat the process to exchange even more old fluid. Swapping out the filter at the same time makes sense too and doesn’t add much to the work. The simpler method, done steady and right, usually keeps G-class transmissions out of trouble.

Where Can You Find Affordable Transmission Fluid For Your Mercedes G55?

When you’re hunting for the right transmission fluid for your G55, it helps to know you can get it without jumping through hoops. That’s what we set out to offer at AutohausAZ—OEM spec fluids, trusted brands, and pricing that stays fair. We keep inventory moving and if you order early, it leaves the warehouse the same day. Don’t want to play guessing games or pay dealership markups? We’ve got your back. Call if you need help picking a fluid or want someone double-checking fitment on Mercedes G55 transmission fluid or anything else for your ride. Returns are hassle-free. Fast shipping, real support, and no drama—just good parts and a smoother fix. We want your repair to go easy, start to finish. Thanks for trusting us when your car—and your time—matters.