Thread: REST diag mode
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Old 10-07-2002, 02:14 PM
blackmercedes's Avatar
blackmercedes blackmercedes is offline
Just a guy
Join Date: Dec 2000
Location: St. Albert, Alberta, Canada
Posts: 3,492
Well, I don't know your model, but on the W202 1996- models, press the rest button for five seconds and you'll access the diagnostics mode.

Do a search of Stevebfl and David C Klasses posts, as they have listed the codes on several occasions.

Look here too:

CLK 430 Problem
John Shellenberg
1998 C230 "Black Betty" 240K

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