[R129 SL] MB Air Conditioners Problems

[Flodur2 at aol.com]

It is a well known that MB air conditioners are poor from a design or  
manufacture standpoint in that they prematurely fail prematurely due to  leakage at 
joints, especially in the evaporator, the heat exchanger inside the  cockpit. 
Although the part is only a couple of hundred dollars, installation is  a pain 
(a lot of work in an awkward position) in the W140 and  R129 series models 
because so much work is required to get at them. Failure  often occurs between 5 
and 10 years. There are no moving parts in the evaporator  and it is 
protected from the outside environment but fails frequently  nevertheless. MB 
acknowledges no responsibility for this part. Repairs have  cost many owners dearly. I 
speak from experience. Maybe MB hasn't  adequately factored in the materials 
corrosion requirement of the R134a  refrigerant, versus the now banned R12 
(Freon).
 
Rudy    



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