This listing is for a

 Mercedes heater pump/valve

Mercedes part number - 001 830 14 84

Bosch part number - 1 147 412 063

It will fit:

1994-1999 S320

1994-1999 S350

1994-1999 S420

1994-1999 S500

1994-1999 S600

1992-1993 600SEL

1992-1993 300SEL

1992-1993 500SEL

1992-1993 300SD  

1998-1999 CL500

1993 400SEL 

1992 500SEC 

1993 600SEC

1992 400SE 

Guaranteed to work and not to leak or your money back.

Thank you for looking!