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Marty, Mercedes Technician
Category: Mercedes
Satisfied Customers: 53904
Experience:  Bosch Certified Master Tech. Over 35 years experience.
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E420: Marty, I have this same issue ('97 E420) Info center

Customer Question

Hi Marty, I have this same issue ('97 E420) Info center stays lit. Gopes out if I pull Fuse 4 but not when pulling fuse 7.
Submitted: 2 years ago.
Category: Mercedes
Expert:  Marty replied 2 years ago.
Hi, if the instrument cluster will not go to sleep with the key out of the ignition and the doors closed I'd have to say that the cluster is bad. I send my clusters to Beckmann Technologies for repair. I've attached a link to their website below.
Let me know if you need further assistance.
Expert:  Marty replied 2 years ago.
Hi, I'm just following up with you on the Mercedes. Was my answer helpful?
Please let me know.
Customer: replied 2 years ago.
Thank for the input. It turns out the issue was a bad connection at the vacuum/air pump coming from the right front door switch. The module was not seeing the door close. Cleaned the connection, inside lights now turn off after 5 sec and the dash light turn off after 20.
Expert:  Marty replied 2 years ago.
Excellent, I'm glad you got it squared away.
If you would please take a moment to rate my service I would appreciate it.