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S210 2.8 - what is this for?

welland99

Active Member
Joined
Feb 26, 2009
Messages
699
Location
Malvern
Car
W210 E280 estate 1999 facelift; 6th gen honda accord coupe 2000
There is a little plastic cap next to my engine with the words for MB workshop only. I always imagined it to be an electrical plug for some kind of diagnostic equipment, and have thus ignored it for over 5 years.

However, curiosity got the better of me at the weekend, and I removed the cover. I discovered a metal tube that really baffles me. Is it something to do with the gearbox - breather / dipstick hole or filler?

Can anybody enlighten me, please?
 

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Gearbox dipstick/ filler pipe
 
as above gearbox dipstick you can get the dipstick off ebay the really long ones!

There is a little plastic cap next to my engine with the words for MB workshop only. I always imagined it to be an electrical plug for some kind of diagnostic equipment, and have thus ignored it for over 5 years.

However, curiosity got the better of me at the weekend, and I removed the cover. I discovered a metal tube that really baffles me. Is it something to do with the gearbox - breather / dipstick hole or filler?

Can anybody enlighten me, please?

As above it's for the dipstick for gearbox oil you can the the dipstick off ebay= they are really long! Not sure if you can check oil levels on the W220 trip display.
 
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