Hi all, I have a couple of '97 model W140s. And I was wondering, is it possible to (easily) do a firmware upgrade on these cars? I really want to have the auto-lock feature and from my understanding this came out on the '98 and later models. Thanks.

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"It's not about how fast you can go, but how well you can go fast."

Bob in Richmond

'97 S320 (LWB), Ruby Red Metallic, 73k miles
'97 S420V, Smoke Silver Metallic, 155k miles