My Mercedes climate control diagnostic indicated that the evap temperature sensor was bad (and the compressor wasn't coming on). This replacement looks quite different from the original but still fits, albeit a bit loosely. After installing, the compressor came on, blew cold air, and the code disappeared.

Part # was a match but wrong fitment. Wasted my money.

But I am a little mistake model. Fit ok for w211 but contact behind bigger. But possible fixed.

Worked like a charm! It was slightly different than the original I pulled out, but it fixed my AC issue nonetheless.

Although Amazon stated delivery time of up to two weeks this turned up at my door 3 days after ordering.Excellent , my air con now working properly and I am very pleased .