1999 W210 E55 AMG – Brake fluid reservoir replacement / part number?

Nevin

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Apr 8, 2026
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Your Mercedes
Mercedes E 55amg , 1999 ,W210
Hi all,





I’m looking for some help with a brake fluid reservoir on my 1999 E55 AMG (W210).





The reservoir is damaged and needs replaced. It’s the type mounted on the master cylinder with the plastic lugs and screw fixing.





I’m trying to find:





  • The correct part number
  • Whether the outlet is 12mm or 16mm
  • A replacement source (new or good used)







Mercedes don’t seem to supply these anymore, so I’m open to:





  • Breakers (I’m in Northern Ireland)
  • Aftermarket options
  • Compatible parts from other W210 models







I’ve attached photos of the existing reservoir.





Any help much appreciated
 

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AMGeed

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Jan 18, 2009
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Location
Poole, Dorset
Your Mercedes
1998/2001 W210 E280 x2 SOLD 2004 W211 E55 SOLD, 2014 E63 Biturbo SOLD .S204 C180K 2019 E63s
If you enter your full Vin# into this website, it will give you the Electronic Parts Catalogue for your car.
Scroll down to Brakes> Brake Booster and your reservoir should be shown along with the Part#.
Quite often there are more than one Part# as parts get superceded, but all listed should fit.

You can then check eBay and breakers for the correct part. There should be no reason why a breaker from mainland UK shouldn't ship to NI.
There are a few reservoirs on eBay that might match your Part#




Edit. Looks like this one will fit
 

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