2015-2021 Mercedes-Benz Door Panel / Window Regulator Assembly Left, Rear 2057307904
OEM Part #: 205-730-79-04 (2057307904)
Actual photo
The exact part you’ll receive — not a stock photo.
$48.49
Side: Left, Rear
Used
Donor2021 Mercedes-Benz C63 AMG · 4.0L
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Genuine OEM Used
SKU: 561568
Donor Vehicle: 2021 Mercedes-Benz C63 AMG · 4.0L
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$48.49
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Used Mercedes-Benz Left Rear Door Panel / Window Regulator Assembly, OEM part number 2057307904. This genuine used part also replaces 2057300179 and 2057307901. It is the complete assembly for the left rear door, combining the interior trim panel with the integrated window regulator mechanism. When the regulator fails, the window may stick, move slowly, or refuse to close fully. This unit is removed from a donor vehicle and ready for installation.
Specifications
| Fits Vehicle Model | C300, C350e, C400, C43 AMG, C450 AMG, C63 AMG, C63 AMG S |
| Fits Vehicle Make | Mercedes-Benz |
| OEM Part No | 205-730-79-04 (2057307904) |
| Compatible OEM Part No | 205-730-01-79, 205-730-79-01 |
| Side | Left, Rear |
| Category | Door Parts |
Compatible Vehicles
Fits 37 vehicle configurations across 1 make, 2015-2021.
Check your specific vehicle before ordering.
This list shows year, make, and model. Some years have multiple trims or
engines that use different parts, and individual listings may have
additional fitment notes (e.g. “with sunroof only”). Review
the full variant list below, or
message us with your VIN
and we’ll confirm the match.
View all 37 vehicle configurations — 29 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2015 | Mercedes-Benz | C63 AMG | Sedan | 6.3L V8 | |
| 2017 | Mercedes-Benz | C300 | Coupe | 2.0L l4 Turbo | |
| 2017 | Mercedes-Benz | C300 | Convertible | 2.0L l4 Turbo | |
| 2019 | Mercedes-Benz | C300 | Coupe | 2.0L l4 Turbo | |
| 2019 | Mercedes-Benz | C300 | Convertible | 2.0L l4 Turbo | |
| 2018 | Mercedes-Benz | C300 | Coupe | 2.0L l4 Turbo | |
| 2018 | Mercedes-Benz | C300 | Convertible | 2.0L l4 Turbo | |
| 2018 | Mercedes-Benz | C63 AMG | Sedan | 4.0L V8 Turbo | Power Operated |
| 2019 | Mercedes-Benz | C63 AMG S | Sedan | 4.0L V8 Turbo | Power Operated |
| 2019 | Mercedes-Benz | C300 | Sedan | 2.0L l4 Turbo | Power Operated |
| 2020 | Mercedes-Benz | C63 AMG S | Sedan | 4.0L V8 Turbo | Power Operated |
| 2020 | Mercedes-Benz | C63 AMG | Sedan | 4.0L V8 Turbo | Power Operated |
| 2020 | Mercedes-Benz | C300 | Sedan | 2.0L l4 Turbo | Power Operated |
| 2021 | Mercedes-Benz | C300 | Sedan | 2.0L l4 Turbo | Power Operated |
| 2017 | Mercedes-Benz | C350e | Sedan | 2.0L l4 Turbo | Power Operated |
| 2018 | Mercedes-Benz | C43 AMG | Sedan | 3.0L V6 Turbo | |
| 2021 | Mercedes-Benz | C63 AMG S | Sedan | 4.0L V8 Turbo | Power Operated |
| 2021 | Mercedes-Benz | C63 AMG | Sedan | 4.0L V8 Turbo | Power Operated |
| 2017 | Mercedes-Benz | C43 AMG | Sedan | 3.0L V6 Turbo | Power Operated |
| 2019 | Mercedes-Benz | C43 AMG | Sedan | 3.0L V6 Turbo | Power Operated |
| 2019 | Mercedes-Benz | C63 AMG | Sedan | 4.0L V8 Turbo | Power Operated |
| 2018 | Mercedes-Benz | C63 AMG S | Sedan | 4.0L V8 Turbo | Power Operated |
| 2021 | Mercedes-Benz | C43 AMG | Sedan | 3.0L V6 Turbo | Power Operated |
| 2018 | Mercedes-Benz | C350e | Sedan | 2.0L l4 Turbo | Power Operated |
| 2015 | Mercedes-Benz | C400 | Sedan | 3.0L V6 Turbo | Power Operated |
| 2015 | Mercedes-Benz | C300 | Sedan | 2.0L l4 Turbo | Power Operated |
| 2016 | Mercedes-Benz | C300 | Sedan | 2.0L l4 Turbo | Power Operated |
| 2016 | Mercedes-Benz | C63 AMG | Sedan | 4.0L V8 Turbo | Power Operated |
| 2016 | Mercedes-Benz | C63 AMG S | Sedan | 4.0L V8 Turbo | Power Operated |
| 2020 | Mercedes-Benz | C43 AMG | Sedan | 3.0L V6 Turbo | Power Operated |
| 2016 | Mercedes-Benz | C450 AMG | Sedan | 3.0L V6 Turbo | Power Operated |
| 2017 | Mercedes-Benz | C63 AMG | Sedan | 4.0L V8 Turbo | Power Operated |
| 2017 | Mercedes-Benz | C63 AMG S | Sedan | 4.0L V8 Turbo | Power Operated |
| 2016 | Mercedes-Benz | C350e | Sedan | 2.0L l4 Turbo | Power Operated |
| 2017 | Mercedes-Benz | C300 | Sedan | 2.0L l4 Turbo | Power Operated |
| 2018 | Mercedes-Benz | C300 | Sedan | 2.0L l4 Turbo | Power Operated |
| 2015 | Mercedes-Benz | C63 AMG S | Sedan | 4.0L V8 Turbo | Power Operated |