No. The 1981-85 US 380's have what is sometimes called "K-Jet with Lambda" referring to the package of an oxygen sensor, an analog computer, and a frequency valve connected to the fuel distributor. This setup used a mechanical warm-up regulator for warm-up and enrichment.

In 1986, KE-Jet came along. Basically, it replaced the warm-up regulator with a computer that controls the mixture with through an actuator mounted on the fuel distributor. I guess the E stands for "electronic." In KE-Jet, the oxygen sensor is one of the computer's inputs.

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Chuck Taylor
Falls Church VA
'66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe