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On the top of the radiator is a small plastic connection of which a hose connecting the radiator with the coolant expansion tank. this hose is small and is connected above a larger hose to a small plastic nipple the hose is connected to and clamped on. the neck of the nipple broke off, leaving a hole where coolant pours out. Is this a separate part or can it be fixed?
Hi, similar issues show up on a lot of these older Mercedes. If this piece breaks off you can try to fix it with some epoxy. But it is not a separate part. If you don’t like the idea of fixing it with epoxy, or that does not hold up, you will have to replace the radiator.
Hi Guys: I have a Mercedes Benz 2000 ML320 , with the same problem my plastic nipple broke off. I tried fixing it with epoxy but its not a lasting fix it will leak. So I want on ebay and got a New radiator which fits the ML320 for only $79.99 life time. and did the job myself, I live in New York city and the roads are very hard on a car! I guess I could have done what Bethellowell did with the grommet on both sides and a clamp! but I live in New York and the streets are bad on a car I don’t baby my car I ride it hard and a quite fix will only have me back with the radiator problem. Mercedes Dealer wants over $600 very costly, $79.99 and just getting my hands dirty was my best way. oh I should say you need two people for the job my brother helped me. Taking a Mercedes Benz 2000 ML320 radiator out is not a one man job. 03/4/2016 by leslie Jimenez
I have nipple problem as well. Also my grommets are getting loose these days. I can get my hands dirty and spend $80.00. But I don’t have a brother to help me. However there is a good YouTube video with a brother doing the job alone and it seems he had no trouble at all and he didn’t even get his hands dirty, just his shirt. Lol . being greasy and getting greasy are two different things guys. Soul man
2003, C230 Kompressor on coolant tank, where plastict nipple & metal/hose-clamp/coolant tank meet, had deteriorated but I could still re-incert metal from hose/clamp into nipple-hole on plastic tank. All coolant had pumped out & “Low-Coolant light” had come on. Tided shoe-string around metal clamp-hose & around coolant tank’s center. Filled system with anti-freeze/coolant at Pep Boys. $16.89. No more leaking & runs great. Should I still buy a new coolant tank & install it?
Tomorrow im trying this. Drill out the hole where the plastic pipe went in with a half inch drill bit. Then grab yourself one of those Air compresser tool fittings with the thread on one end and the snap lock on the other end. Coat the threaded end with the good quality JB Weld and carefully screw it in. The thread should cut its way in as your winding it in. Give it a good 12 hours for the JB Weld to cure, then connect your hose and hopefully off we go.
