Yup, though put in new by the previous owner 6 months ago, the ohms values were indeed not the same. Ordered a new one. I'll make sure to test before installation and after the engine has warmed up as suggested by rayhennig.

thank you everyone.

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03 CLK430 Cabrio 211K Pweter Silver/ Oyster Leather
90 300SEL 214k Pearl Black/ Alto Grey/Black Leather

Prior: 85 190E, 88 300TE, 89 300TE, 90 300E 2.6, 90 300TE, 92 300E 2.6, 91 and 93 300SL, 87 Ferrari Mondial Cabrio