Quote:
Originally Posted by 1991 300SE Owne
Based on all the replies here and also on what the transmission guy who worked on my other car said, I think my Mercedes needs a water pump. Oddly enough, that is one of the things the Mercedes dealer said I needed! A Water Pump, A Radiator and a Head Gasket.
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Just curious, why a water pump? They are usually replaced on these cars because they leak (but they don't tend to leak as much coolant as you say you are losing and you said your leak is more toward the rear of the engine). Loss of pumping capacity is not likely.
Besides the coolant loss, everything you have reported is within the realm of normal.
Have a look at those heater hoses above the engine in the back on the driver's side. I saw one of those with a pinhole in it once and the coolant loss was significant.
This may very well turn out to be a simple problem.
You are asking wise questions. Listening to the dealer can be like asking a barber if you need a haircut!