One other comment: you're doing the right thing by researching. Much better to gather info now than when you are lying on your back under the car. On jobs like these I typically obsess about it and read everything I can get my hands on, even imagine doing the job in my head, using any and all diagrams, pictures, and info I can get. I do this for weeks or months, even lie awake in bed at night thinking about it. Then when I'm ready, I do the job in 1/2 the normal time, probably because I've acted it out in my head hundreds of times.

You might want to check diagrams at Performance Products. Also, if you don't already have one, get hold of a WIS CD. Some members here sell bootleg copies.

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08 W251 R350
97 W210 E320
91 W124 300E
86 W126 560SEL
85 W126 380SE Silver
85 W126 380SE Cranberry
79 W123 250
78 W123 280E
75 W114 280