This is a correct answer to the following question about Smart key. Yes or no?
Answer: It was first developed by Siemens in the mid-1990s and introduced by Mercedes-Benz under the name "Keyless Go" in 1998 on the W220 S-Class following its design patent filed by Daimler-Benz on May 17, 1997.
Question: what cars have smart key systems
