I agree...for such an inexpensive part, why bother swapping out for a non-OEM (or non-manufacturer for that matter)?

I replaced mine last year, and found that the sensor and seals are a pretty snug fit. Anything other than MB will plague you unnecessarily with false readings and leaks.

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car