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Marty
Marty, Mercedes Technician
Category: Mercedes
Satisfied Customers: 53161
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: 1 year ago.
Category: Mercedes
Expert:  Marty replied 1 year 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.
http://www.beckmanntechnologies.com/parts_clusters.aspx
Let me know if you need further assistance.
Marty
Expert:  Marty replied 1 year ago.
Hi, I'm just following up with you on the Mercedes. Was my answer helpful?
Please let me know.
Marty
Customer: replied 1 year 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 1 year 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.
Marty