was it showing a MAF code?

"Mine" was and it was running like *****.

A good cleaning did the trick.

Just had to go out a get a special torx security bit to take the screws loose.

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Current fleet
2006 E320 CDI
1992 300D - 5speed manual swapped

former members
1984 300D "Blues Mobile"

1978 300CD "El Toro"