Mercedes 300SD Window Regulator Parts

Showing 6 out of 6 part(s) found in our catalog.

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Mercedes 300SD
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1978, 1979, 1980 Mercedes 300SD
In Stock
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Leaves warehouse within 1-2 business days.
$45.00
Reg
$46.88
List
$226.13
FREE SHIPPING
1978, 1979, 1980 Mercedes 300SD
In Stock
In Stock Information Icon
Leaves warehouse within 1-2 business days.
$45.00
Reg
$46.88
List
$226.13
Replacement for original Brose brand metal regulators only, those units had 8-tooth motor. 1 per car.
1981, 1982, 1983, 1984, 1985, 1986, 1987 Mercedes 300SD, 300SDL
Available To Order
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Usually ships within 1-2 business days. Availability is not guaranteed.
$236.99
Reg
$246.86
List
$304.00
1992, 1993 Mercedes 300SD
Ships Today
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Leaves closest warehouse today if ordered before 2 PM MST.
$88.99
Reg
$92.70
List
$100.00
For chassis 140 sedan models. Also need (5) 0039902497 rivets. 1 per car.
1992, 1993 Mercedes 300SD
Ships Today
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Leaves closest warehouse today if ordered before 2 PM MST.
$33.99
Reg
$35.41
List
$89.00
1992, 1993 Mercedes 300SD
Ships Today
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Leaves closest warehouse today if ordered before 2 PM MST.
$77.99
Reg
$81.24
List
$89.00

The average cost of a Mercedes 300SD window regulator is between $33.99 and $236.99.

What Are Common Signs Of A Failing Mercedes 300SD Window Regulator?

Sometimes, you roll down your window and notice it doesn't move like it should. Maybe it creeps slowly, shutters, or slips out of line. You press the switch, there’s a faint grinding, or the window seems stuck halfway up. At times, the glass just tilts odd, almost falling inside the door. When only one window acts up while the others work fine, that's a clear hint the Mercedes 300SD window regulator is at fault. If you catch these quirks early, you might avoid the window dropping down or refusing to budge at all.

How Difficult Is It To Replace A Mercedes 300SD Window Regulator?

Swapping in a new Mercedes 300SD window regulator isn’t the hardest fix, but it isn’t quick and easy, either. First, you’ll pry off the door panel, tugging on old plastic clips that may break if you rush. There’s hunting for screws hidden under trim. The job calls for steady hands and basic wrenches, screwdrivers, maybe a trim tool. You’ll need to coax the glass loose and not drop it. The biggest hurdle is being careful—lining up new parts, saving every bolt, and keeping track of how things came apart. A manual helps, especially the first time.

What Causes A Mercedes 300SD Window Regulator To Fail?

Most reasons a Mercedes 300SD window regulator quits are plain old wear. Cable lines stretch, fray, or snap after years of heavy use. Plastic gears and sliders get brittle and fall apart. If water sneaks into the door, metal pieces might rust up and jam. Lubrication fades, and suddenly the motor must work twice as hard. Stuck glass wears down gears and can burn out the motor, too. Any of these can turn a working window into a stubborn, immovable piece of glass.

Are Aftermarket Window Regulators Reliable For The Mercedes 300SD?

Aftermarket Mercedes 300SD window regulators vary. Some fit right and last, others come up short on quality or don’t line up as cleanly as original parts. Over time, more brands have matched the originals, but not every bargain is a good deal. It pays to check reviews and see what other owners say. If you pick a solid brand that backs their work, odds are you’ll have fewer surprises. A good warranty doesn’t hurt, either.

Do I Need To Replace The Motor When Replacing The Window Regulator?

Not every motor gives out when the Mercedes 300SD window regulator does. If your motor still runs and the window moves with direct power, swap just the regulator. If nothing budges, or there’s grinding with the new part, you may need a fresh motor as well. When both parts are original and equally tired, swapping them together saves time and keeps things rolling smoothly once the job’s done.

Why Choose Us For Your Mercedes 300SD Window Regulator?

When you order a Mercedes 300SD window regulator from AutohausAZ, you get more than a quick deal. We do everything we can to keep prices low so you aren’t digging too deep into your wallet. Skip the runaround at the dealership—our shelves are stocked, and our ship times are fast. We know you want your car back out there, not in the driveway waiting for parts. Need to return something? We keep that simple, too. Fill out the form, pack the part, and send it back—no phone marathons, no crazy rules. We want your experience smooth from cart to doorstep. Give us a chance and see how easy car repair shopping should feel.