Genuine Mercedes-Benz Daytime Running Light Relay

Headlamp Relay

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3 Daytime Running Light Relays found

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Mercedes-Benz Turn Signal & Hazard Flasher
Part Number: 201-821-02-47
$64.80 MSRP: $90.00
You Save: $25.20 (28%)
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Product Specifications
- Other Name: Relay; Flasher, Flasher Relay
Fits the following Mercedes-Benz Models:
- 260E | 1987-1989 | Base | 6 Cyl 2.6 L GAS
- 300CD | 1984-1985 | Base | 5 Cyl 3.0 L DIESEL
- 300CE | 1988-1993 | Base | 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
- 300D | 1987, 1984-1985 | Base | 5 Cyl 3.0 L DIESEL, 6 Cyl 3.0 L DIESEL
- 300E | 1986-1989 | Base | 6 Cyl 3.0 L GAS
- 300SD | 1992-1993, 1984-1985 | Base | 5 Cyl 3.0 L DIESEL, 6 Cyl 3.4 L DIESEL
- 300SDL | 1986-1987 | Base | 6 Cyl 3.0 L DIESEL
- 300SE | 1992-1993, 1988-1989 | Base | 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
- 300SEL | 1988-1989 | Base | 6 Cyl 3.0 L GAS
- 300SL | 1991-1993 | Base | 6 Cyl 3.0 L GAS
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Mercedes-Benz Flasher
Part Number: 002-542-21-19
$13.42 MSRP: $18.50
You Save: $5.08 (28%)
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Product Specifications
- Other Name: Relay
Fits the following Mercedes-Benz Models:
- SLK230 | 1998-2004 | Kompressor | 4 Cyl 2.3 L GAS
- SLK32 AMG | 2002-2004 | Base | 6 Cyl 3.2 L GAS
- SLK320 | 2001-2004 | Base | 6 Cyl 3.2 L GAS
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Mercedes-Benz Control Module
Part Number: 140-820-76-26
$444.00 MSRP: $620.00
You Save: $176.00 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Control Unit; Control Box, Control Module, Flasher
Fits the following Mercedes-Benz Models:
- CL500 | 1998-1999 | Base | 8 Cyl 5.0 L GAS
- CL600 | 1998-1999 | Base | 12 Cyl 6.0 L GAS
- S320 | 1996-1999 | LWB, SWB | 6 Cyl 3.2 L GAS
- S420 | 1996-1999 | Base | 8 Cyl 4.2 L GAS
- S500 | 1996-1999 | Base | 8 Cyl 5.0 L GAS
- S600 | 1996-1999 | Base | 12 Cyl 6.0 L GAS
- SL500 | 1999-2002 | Base | 8 Cyl 5.0 L GAS
- SL600 | 1999-2002 | Base | 12 Cyl 6.0 L GAS
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Mercedes-Benz Daytime Running Light Relay

The Mercedes-Benz Daytime Running Light Relay automatically switches on the front lamps when the ignition is started and provides clear daylight visibility, resulting in better safety without involving any driver action. The device bridges a low current ignition line to the higher draw lighting circuit using an electromagnetic coil or modern solid state transistors to snap heavy contacts closed, which not only preserves switch life but also prevents any voltage drop and keeps bulbs at full intensity. Its small cube shape fits into a standard socket for easy replacement, and because it only uses ignition power, it requires no additional sensors, reducing the length of wiring and the heating of the cabin. Durability remains high with components designed to withstand vibration and temperature fluctuations, making the Daytime Running Light Relay a little part with a big safety payoff. Beyond this component, Mercedes-Benz has made a name for itself by combining timeless design with cutting-edge technology since 1926, from energy-recuperating hybrid systems to MBUX voice controlled infotainment that make the cabin a smart companion. In 2023 the company launched MB.OS, a software platform that integrates driver assist, battery management, artificial intelligence and entertainment to make future vehicles connected and adaptable. German craftsmanship combines with international innovation, whether the car is a compact sedan, luxury SUV or long range electric vehicle, drivers benefit from refined comfort and responsive performance as well as safety systems that reflect the endless pursuit of excellence represented by the three pointed star.

Genuine parts are built to last. These components go through tough factory testing, so you can trust they will hold up over time. At MBPartsGiant.com, finding Mercedes-Benz Daytime Running Light Relay is quick and simple. We keep a massive inventory in stock with low prices that are hard to beat. Just order online to get a real manufacturer's warranty with every single part. Returns won't be a headache either, thanks to our no-hassle policy. If you are in a rush, we provide expedited shipping to get your vehicle back on the road. Don't wait. Finish your repairs today and keep your Mercedes-Benz running like new. Explore the catalog now.