Quote:
Originally Posted by Texholdem
While living in Germany I always heard that S-Class Mercedes was superior in quality. Rumor has it that at German Mercedes factories only the best among auto workers are selected for S-Class manufacturing. Everyone chosen to work on it would feel privileged and proud.
Has it changed over time?
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These silly comments have nothing to do with a cat converter failure nor, in fact, do they have anything to do do with automobile assembly quality, which is 99% design.
I toured the S-class production line last summer and most of the assembly is completed by robots. The few manual operations appeared to involve placing wiring harnesses and pounding in a trim strip on the roof.
The "guess" that the new O2 sensors ruined the cats is quite unlikely and they were probably failing anyway and the previous sensor diagnosis could have been erroneous or was in fact indicating a failing cat rather than a failing sensor. However, if the diagnosis is correct the fault lies with the repair rather than the design. Nevertheless at less than 80K miles/8 yrs the new ones will be free.