View Single Post
Old 02-11-2011, 01:49 PM
EricSilver's Avatar
EricSilver EricSilver is offline
Registered User
Join Date: Mar 2000
Location: Fairfax, VA
Posts: 1,322
Great, thanks.

Even though sprays like a small geyser at high RPM, the coolant level is not dropping too quickly and the engine temp stays between 81 and 82C. And, as described, the spray is coming from below the oil filter, which is about where the heater hose apparently connects to the engine (though I can't see that from above and will probably have to get under the car).

Thankfully I noticed it yesterday since I can replace the hose this weekend.

Originally Posted by stormyc88 View Post
I had this happen to me (m103, but it's the same thing on the m104). It's your heater-to engine hose. If it was the ATF hose, the fluid would be red, and you wouldn't lose coolant. It's a straightforward, easy and inexpensive fix. The hose comes from the firewall on the driver's side, goes through a grommet in the partition between where the fusebox is and the engine compartment, and down towards the cylinder head. Feel with your fingers and a flashlight for wetness around the hose & the split. You can find the hose online, or you can go to your local MB dealer and they should have it for you next day, and for not much more expensive.
2008 E350 4matic / Black/Anthracite

Gone but not Forgotten:
2001 E430 4matic, 206,xxx miles, Black/Charcoal
1995 E320, 252,xxx miles, Black/Grey
1989 260E, 223,00 miles, Black/Black
Reply With Quote