mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Cellular Phone > < Keyless Entry - Various Malfunctions
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Keyless Entry Transmitter Battery: All Technical Service Bulletins
Keyless Entry - Various Malfunctions

Date: January 5, 2009

Order No.: S-B-80.00/53

Supersedes:

Group: 80

SUBJECT:

MY- All, Models All

Replace Battery in Transmitter Key

In the event of complaints about the function of the vehicle key, first check for and remove any soil or grease from the battery or battery contacts using
the lint-free cloth and alcohol.

NOTE:  

To ensure faultless contact, do not touch the batteries on their contact sides.

Cellular Phone > < Keyless Entry - Various Malfunctions