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Old 04-05-2004, 02:26 PM
Michael K Michael K is offline
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Join Date: Jan 2002
Location: Washington, DC
Posts: 512
For the 1994 E320 I've been in the habit of doing what Larry described above (using the auto button with the center button depressed) and letting it run all the time with one exception...

Before I shut off the engine, I hit the "0" button on the right side and actually turn off the system. When I restart later, after letting the engine warm up a minute or so, I hit the center button again. They system has worked perfectly for many, many years.

Am I reading correctly, that it's better to not bother using the "0" button to turn it off and just leave the center button pressed all the time?

1988 300 SL (5 Speed)
1994 E320 Wagon
1997 C230
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