32 results about "Smart key" patented technology

A smart key is an electronic access and authorization system that is available either as standard equipment or as an option in several car models. It was first developed by Siemens in 1995 and introduced by Mercedes-Benz under the name "Key-less Go" in 1998 on the W220 S-Class, after the design patent was filed by Daimler-Benz on May 17, 1997.