Dorman - OE Solutions Window Regulator 740-577
Dorman - OE Solutions Window Regulator 740-577 - view 2
Dorman - OE Solutions Window Regulator 740-577
Dorman - OE Solutions Window Regulator 740-577 - view 2

Dorman - OE Solutions Window Regulator P/N:740-577

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$63.99
MPN: 740-577
Item Package Quantity: 1
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Dorman - OE Solutions Window Regulator P/N:740-577
Dorman - OE Solutions Window Regulator P/N:740-577
$63.99

Restore smooth up-and-down glass travel with the Dorman - OE Solutions Window Regulator 740-577, a direct-fit replacement for the rear right door on a range of classic Mercedes-Benz sedans. It installs on the 1992-1993 300SD, 1992-1993 300SE, 1992 400SE, 1993 400SEL, 1992-1993 500SEL, 1994-1999 S320, 1994-1995 S350, 1994-1999 S420, 1994-1999 S500 and 1994-1999 S600 — see the Buyer's Guide tab for the full application list.

  • Rear right position: cataloged for the rear right door window on the listed applications.
  • Raises and lowers the glass: the regulator mechanism moves the window up and down along its track for controlled operation.
  • Signs it may need replacing: a window that binds, drops, moves slowly, or will not travel evenly can indicate a worn or failed regulator.
  • Direct-fit design: engineered to drop into the listed vehicles for a straightforward replacement.

Interchange: 11R140 · 81755 · RPMB036 · 9553-1063R · 95531063R · 82-3400A · 823400A · WLR2112 · M491721 · 1407300246 · 1407300446 · 140730044605 · 1407301246 · 79011 · WR40577 · 20-1084 · 201084. Manufacturer part number 740-577 (also 740577).

This part cross-references / interchanges with the following part numbers:

11R140, 81755, RPMB036, 9553-1063R, 82-3400A, 823400A, WLR2112, M491721, 1407300246, 1407300446, 140730044605, 1407301246, 79011, WR40577, 20-1084

Frequently Asked Questions

Which door does this regulator fit?

It is cataloged for the rear right door window on the listed Mercedes-Benz applications.

Does this window regulator fit my vehicle?

It is a direct-fit for models including the 1992-1993 300SD/300SE, 1992-1993 500SEL, and 1994-1999 S320, S420, S500 and S600. Check the Buyer's Guide tab to confirm your vehicle.

What does a window regulator do?

The regulator is the mechanism that moves the door glass up and down along its track for controlled window operation.

How do I know if my window regulator has failed?

A window that binds, drops, moves slowly, or travels unevenly can be a sign the regulator is worn or failing. Diagnose the cause before replacing.

What is the manufacturer part number?

This is Dorman - OE Solutions manufacturer part number 740-577.

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