How to Reprogram a 1996 Remote Key Fob for a Mercedes-Benz E420

Written by matthew fortuna
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How to Reprogram a 1996 Remote Key Fob for a Mercedes-Benz E420
Keyless entry remotes can be equipped to most Mercedes vehicles. (keyless remote image by Ray Kasprzak from

Mercedes-Benz automobiles are known for luxury features and amenities but they also feature a number of common technologies for safety and convenience. One of these capabilities is the keyless entry remote, which can be programmed from your car's driver's seat. You can also reprogram the remote for your E420 with no professional experience or equipment and have the remote ready to use right away.

Skill level:
Moderately Easy

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  1. 1

    Find the keyless entry system transmitter in the back of the E420's boot. This will be underneath the trim and may be accessed from the back seat or the boot.

  2. 2

    Press and release the white programming button on the system and wait for the LED light on the system to start flashing.

  3. 3

    Press any button on your keyless remote to program it to the receiver.

  4. 4

    Wait for the light on the system to stop flashing, and the programming will be completed.

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