Agree, it doesn't matter. That component consists of 2 identical sensors (negative temp coefficient thermisters). Each sensor comprises a pair of diagonal pins consisting of a signal pin and a ground pin, one pair providing signal to the EZL control unit and one pair sending signal to the KE control unit.

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1988 California version 260E (W124)
Anthracite Grey/Palomino
Owned since new and still going strong and smooth
MBCA member

Past Mercedes-Benz:
1986 190E Baby Benz
1967 230 Inherited from mom when she downsized
1959 220S Introduced me to the joys of keepin' 'em goin'

There are only 10 kinds of people in the world--those who understand binary and those who don't