Has anyone installed one on a 87 300E? I see a post in the DIY for 95 E class which is much different than the earliar E class. Anyone with a brand and model of a keyless entry system? I just want something simple that can lock and unlock door, while keeping the factory alarm.

thanks

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87' 300E champagne - Euro headlights and corners, 8-hole rims, 140,000miles/220,00km.