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E350 Wagon airbag controller unit part number please?

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Old Jul 18, 2022 | 07:29 PM
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Aussie_E350_Wag's Avatar
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From: Canberra ACT
2013 E350 Facelift (Japan Import) 2007 E350 Elegance Wagon, 2014 E350 Wagon facelift model Jap Model
E350 Wagon airbag controller unit part number please?

Hey guys,

Still chasing this airbag leaking system issue, wagon drops some times and others stays up and level for hours, then after stopping within 15mins it's dropping on the drivers side. I'm starting to think it's the actual controller under the rear bumper that's having an issue. The only replacement I can find is a 4 channel unit for airmatic 4 shock cars, mines a 2 rear bags only with normal shocks system. Does anyone have the part number for a 2 channel unit please?

Cheers!
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Old Jul 19, 2022 | 08:28 AM
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From: Pepper Pike Ohio
24 GLS580 '23 E450 4matic 12 E350 4Matic
Originally Posted by Aussie_E350_Wag
Hey guys,

Still chasing this airbag leaking system issue, wagon drops some times and others stays up and level for hours, then after stopping within 15mins it's dropping on the drivers side. I'm starting to think it's the actual controller under the rear bumper that's having an issue. The only replacement I can find is a 4 channel unit for airmatic 4 shock cars, mines a 2 rear bags only with normal shocks system. Does anyone have the part number for a 2 channel unit please?

Cheers!
It's more likely you have a small tear in the bag that leaks very slowly as the bag folds over itself, so leaks faster sometimes and not as fast other times, depending on how and where you park, this tear can be covered or not. That's how it worked on my last two cars with Airmatic. The controller can be suspect for corrosion and can cause a leak, but your car is from Japan and is in Australia, I don't think they dump tons of salt all over in those places?

Last edited by pierrejoliat; Jul 19, 2022 at 08:32 AM.
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