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sprinkles08, ASE Certified Technician
Category: Mercedes
Satisfied Customers: 22807
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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Ml-430 2001 key won't open or close? No. The Red button is

Customer Question

Ml-430 2001 key won't open or close?
JA: Is the key stripped or worn?
Customer: No.
JA: What is the model/year of your Mercedes?
Customer: The Red button is worn.
JA: What year is your Mercedes?
Customer: 2001 ML 430.
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: Nothing. I know replacemnet keys are around $100.
JA: Anything else you think the mechanic should know?
Customer: No.
Submitted: 1 year ago.
Category: Mercedes
Expert:  sprinkles08 replied 1 year ago.

Hello and welcome to JustAnswer!

It sounds as if the keyless entry functions on a key have stopped working? If hat's the case it could be a keyless entry receiver issue but it's more likely to be the key itself. It may have failed or the battery may simply need to be replaced.

Do you have a second key, and if so does it still work?