Agree with G-benz,,,, not a big deal. Did this last year and after having the oil pump replaced, this turned out to be the problem with the guage reading low oil pressure.

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95 SL500 Smoke Silver, Parchment 64K
07 E350 4matic Station Wagon White 34K
02 E320 4Matic Silver/grey 80K
05 F150 Silver 44K