R-Class (W251) Produced 2006-2013: R320CDI, R350, R420CDI, R500

Reset Computer to factory default

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Old 12-24-2009, 09:40 AM
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R350
Reset Computer to factory default

Is there any way to reset the computer ECU back to factory default without going to the dealership.

Does this below work ..

1. Turn the ignition key to the on (not start) position.

2. Press the gas pedal to the floor and hold for five seconds.

3. Turn the key to the "off" position (don't remove the key), then release the gas pedal.

4. Wait at least two minutes for ECU to reset.


Does this reset the instrument cluster also ?

.

Last edited by valmomo69; 12-24-2009 at 10:07 AM.

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