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Old 11-23-2000, 09:01 AM
Posts: n/a

The "Infamous" mono valve is the one found on the late 123 cars with climate control. They are fraught with problems. The one found on the 124 cars, such as yours, are much more reliable.

On the 124 cars, particularly the ones earlier than yours, the achilles heel is the pushbutton control unit.

Best of luck,

Larry Bible
'01 C Class, Six Speed
'84 Euro 240D, manual, 533K miles
'88 300E 5 Speed
'81 300D Daughter's Car
Over 800,000 miles in
Mercedes automobiles
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