heater shut-off

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    W211 E270 CDI - How to replace heater shut-off valve?

    Hi All My 2003 E270 CDI has stopped blowing hot air through the vents irrespective of the setting on the heater controls. Looks like the heater shut-off valve motor and I have tried the "give it a good tap" fix mentioned in several threads but hasn't worked. Now our brief summer is over i...
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