Genuine Mercedes-Benz Relay Boxes

Relay Block

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114 Relay Boxes found

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Mercedes-Benz Fuse & Relay Box
Part Number: 004-545-25-01
$3.75 MSRP: $9.50
You Save: $5.75 (61%)
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Product Specifications
- Other Name: Fuse Box; Fuse & Relay Box
Fits the following Mercedes-Benz Models:
- C250 | 2012-2013 | Luxury, Sport | 4 Cyl 1.8 L GAS
- C300 | 2008-2013 | 4Matic, 4Matic Luxury, 4Matic Sport, Luxury, Sport | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS, 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS
- C350 | 2008-2013 | 4Matic, Sport | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS
- C63 AMG | 2008-2013 | Base | 8 Cyl 6.3 L GAS
- GLK250 | 2013-2015 | Bluetec 4Matic | 4 Cyl 2.1 L DIESEL
- GLK350 | 2010-2015 | 4Matic, Base | 6 Cyl 3.5 L GAS
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Mercedes-Benz Fuse & Relay Box
Part Number: 223-906-03-02
$24.40 MSRP: $33.50
You Save: $9.10 (28%)
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Product Specifications
- Other Name: Fuse And Relay Box; Fuse & Relay Box, Fuse Box
- Replaced by: 223-906-03-02-64
Fits the following Mercedes-Benz Models:
- C300 | 2022-2024 | 4Matic, Base | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
- C43 AMG | 2023-2024 | 4Matic | 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.0 L GAS
- EQE 350 | 2023-2024 | 4Matic | BATTERY EV (EV/BEV)
- EQE 350 SUV | 2023 | 4Matic | BATTERY EV (EV/BEV)
- EQE 350+ | 2023-2024 | Base | BATTERY EV (EV/BEV)
- EQE 350+ SUV | 2023 | Base | BATTERY EV (EV/BEV)
- EQE 500 | 2023-2024 | 4Matic | BATTERY EV (EV/BEV)
- EQE 500 SUV | 2023 | 4Matic | BATTERY EV (EV/BEV)
- EQE AMG | 2023-2024 | 4Matic | BATTERY EV (EV/BEV)
- EQS 450 | 2023 | 4Matic | BATTERY EV (EV/BEV)
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Mercedes-Benz Main Relay Block
Part Number: 223-906-67-03
$20.91 MSRP: $29.00
You Save: $8.09 (28%)
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Product Specifications
- Other Name: Fuse And Relay Box; Main Relay Block, Relay Fuse Plate
Fits the following Mercedes-Benz Models:
- C300 | 2022-2024 | 4Matic, Base | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
- GLC300 | 2023 | 4Matic, Base | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
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Mercedes-Benz Main Relay Block
Part Number: 223-906-68-03
$23.79 MSRP: $32.50
You Save: $8.71 (27%)
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Product Specifications
- Other Name: Fuse And Relay Box; Main Relay Block
Fits the following Mercedes-Benz Models:
- S500 | 2022-2023 | 4Matic | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
- S580e | 2023 | 4Matic | 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV)
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Mercedes-Benz Fuse & Relay Box
Part Number: 251-540-05-24
$30.50 MSRP: $42.00
You Save: $11.50 (28%)
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Product Specifications
- Other Name: Case
Fits the following Mercedes-Benz Models:
- R320 | 2007-2009 | Bluetec, CDI | 6 Cyl 3.0 L DIESEL
- R350 | 2006-2012 | 4Matic, Base, Bluetec 4Matic | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.5 L GAS
- R500 | 2006-2007 | Base | 8 Cyl 5.0 L GAS
- R63 AMG | 2007 | Base | 8 Cyl 6.3 L GAS
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Mercedes-Benz Relay Box
Part Number: 223-906-11-02-64
$18.91 MSRP: $26.00
You Save: $7.09 (28%)
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Product Specifications
- Other Name: Fuse And Relay Box; Relay Box
- Replaced by: 223-906-11-02-65
- Replaces: 223-906-11-02
Fits the following Mercedes-Benz Models:
- SL55 AMG | 2022-2023 | 4Matic | 8 Cyl 4.0 L GAS
- SL63 AMG | 2022-2023 | 4Matic | 8 Cyl 4.0 L GAS
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Mercedes-Benz Fuse & Relay Box
Part Number: 164-540-06-24
$26.84 MSRP: $37.00
You Save: $10.16 (28%)
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Product Specifications
- Other Name: Case; Fuse & Relay Box, Fuse Box
Fits the following Mercedes-Benz Models:
- GL320 | 2007-2009 | Bluetec 4Matic, CDI | 6 Cyl 3.0 L DIESEL
- GL350 | 2010-2012 | Bluetec 4Matic | 6 Cyl 3.0 L DIESEL
- GL450 | 2007-2012 | Base | 8 Cyl 4.7 L GAS
- GL550 | 2008-2012 | Base | 8 Cyl 5.5 L GAS
- ML320 | 2007-2009 | Bluetec 4Matic, CDI | 6 Cyl 3.0 L DIESEL
- ML350 | 2007-2011 | 4Matic, Base, Bluetec 4Matic | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.5 L GAS
- ML450 | 2010-2011 | Hybrid 4Matic | 6 Cyl 3.5 L FULL HYBRID EV-GAS (FHEV)
- ML550 | 2008-2011 | Base | 8 Cyl 5.5 L GAS
- ML63 AMG | 2007-2011 | Base | 8 Cyl 6.3 L GAS
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Mercedes-Benz Fuse & Relay Box
Part Number: 205-906-58-06
$36.60 MSRP: $51.00
You Save: $14.40 (29%)
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Product Specifications
- Other Name: Relay Unit; Fuse & Relay Box, Relay Fuse Plate
- Replaced by: 205-906-58-06-64
- Replaces: 205-906-72-00-64, 205-906-72-00
Fits the following Mercedes-Benz Models:
- AMG GT 43 | 2021-2023 | Base | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
- AMG GT 53 | 2019-2023 | Base | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
- AMG GT 63 | 2023, 2019-2021 | Base | 8 Cyl 4.0 L GAS
- AMG GT 63 S | 2023, 2019-2021 | Base | 8 Cyl 4.0 L GAS
- C300 | 2015-2023 | 4Matic, Base | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
- C350e | 2016-2018 | Base | 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
- C400 | 2015 | 4Matic | 6 Cyl 3.0 L GAS
- C43 AMG | 2017-2023 | 4Matic | 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.0 L GAS
- C450 AMG | 2016 | 4Matic | 6 Cyl 3.0 L GAS
- C63 AMG | 2016-2021 | Base | 8 Cyl 4.0 L GAS
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Mercedes-Benz Fuse & Relay Box
Part Number: 164-540-01-24
$51.00 MSRP: $71.00
You Save: $20.00 (29%)
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Product Specifications
- Other Name: Case; Fuse & Relay Box
Fits the following Mercedes-Benz Models:
- ML350 | 2006 | 4Matic | 6 Cyl 3.5 L GAS
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Mercedes-Benz Fuse & Relay Box
Part Number: 204-540-01-50
$40.20 MSRP: $56.00
You Save: $15.80 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Fuse Box; Fuse & Relay Box
Fits the following Mercedes-Benz Models:
- C250 | 2012-2015 | Base, Luxury, Sport | 4 Cyl 1.8 L GAS
- C300 | 2008-2013 | 4Matic, 4Matic Luxury, 4Matic Sport, Luxury, Sport | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS, 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS
- C350 | 2008-2015 | 4Matic, Base, Sport | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS
- C63 AMG | 2008-2015 | Base, Black Series | 8 Cyl 6.3 L GAS
- E350 | 2010-2014 | 4Matic, Base | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS
- E400 | 2015-2017 | 4Matic, Base | 6 Cyl 3.0 L GAS
- E550 | 2010-2017 | Base | 8 Cyl 4.7 L GAS, 8 Cyl 5.5 L GAS
- GLK250 | 2013-2015 | Bluetec 4Matic | 4 Cyl 2.1 L DIESEL
- GLK350 | 2010-2015 | 4Matic, Base | 6 Cyl 3.5 L GAS
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Mercedes-Benz Fuse & Relay Box
Part Number: 222-540-30-50
$41.40 MSRP: $58.00
You Save: $16.60 (29%)
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Product Specifications
- Other Name: Fuse Box
Fits the following Mercedes-Benz Models:
- GLC300 | 2016-2019 | 4Matic, Base | 4 Cyl 2.0 L GAS
- GLC350e | 2018-2019 | 4Matic | 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
- GLC43 AMG | 2017-2019 | 4Matic | 6 Cyl 3.0 L GAS
- GLC63 AMG | 2018-2019 | 4Matic | 8 Cyl 4.0 L GAS
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Mercedes-Benz Lower Cover
Part Number: 222-540-00-24-64
$50.40 MSRP: $70.00
You Save: $19.60 (28%)
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Product Specifications
- Other Name: Equipment Compartment; Housing, Lower Cover, Relay Box
- Replaces: 222-540-00-24
Fits the following Mercedes-Benz Models:
- S450 | 2018-2020 | 4Matic, Base | 6 Cyl 3.0 L GAS
- S550 | 2014-2017 | 4Matic, Base | 8 Cyl 4.7 L GAS
- S550e | 2015-2017 | Base | 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV)
- S560 | 2018-2021 | 4Matic, Base | 8 Cyl 4.0 L GAS
- S560e | 2019-2020 | Base | 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV)
- S600 | 2015-2017 | Base | 12 Cyl 6.0 L GAS
- S63 AMG | 2014-2021 | 4Matic, Base | 8 Cyl 4.0 L GAS, 8 Cyl 5.5 L GAS
- S65 AMG | 2015-2020 | Base | 12 Cyl 6.0 L GAS
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Mercedes-Benz Fuse & Relay Box
Part Number: 208-540-00-50
$62.40 MSRP: $87.00
You Save: $24.60 (29%)
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Product Specifications
- Other Name: Fuse Box
Fits the following Mercedes-Benz Models:
- C230 | 1998-2000 | Base, Kompressor | 4 Cyl 2.3 L GAS
- C280 | 1998-2000 | Base | 6 Cyl 2.8 L GAS
- CLK320 | 1998-2003 | Base | 6 Cyl 3.2 L GAS
- CLK430 | 1999-2003 | Base | 8 Cyl 4.3 L GAS
- CLK55 AMG | 2001-2002 | Base | 8 Cyl 5.5 L GAS
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Mercedes-Benz Fuse & Relay Box
Part Number: 202-545-33-01
$110.40 MSRP: $154.00
You Save: $43.60 (29%)
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Product Specifications
- Other Name: Fuse Box; Fuse & Relay Box
Fits the following Mercedes-Benz Models:
- C220 | 1995 | Base | 4 Cyl 2.2 L GAS
- C280 | 1995 | Base | 6 Cyl 2.8 L GAS
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Mercedes-Benz Fuse & Relay Box
Part Number: 166-540-93-15
$55.80 MSRP: $78.00
You Save: $22.20 (29%)
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Product Specifications
- Other Name: Potential Distributor; Fuse & Relay Box
- Replaces: 166-540-29-50, 166-540-21-50, 166-540-20-50, 166-540-36-12
Fits the following Mercedes-Benz Models:
- GL350 | 2013-2016 | Bluetec 4Matic | 6 Cyl 3.0 L DIESEL
- GL450 | 2013-2016 | 4Matic, Base | 6 Cyl 3.0 L GAS, 8 Cyl 4.7 L GAS
- GL550 | 2013-2016 | 4Matic | 8 Cyl 4.7 L GAS
- GL63 AMG | 2013-2016 | Base | 8 Cyl 5.5 L GAS
- GLE300d | 2016-2017 | 4Matic | 4 Cyl 2.1 L DIESEL
- GLE350 | 2016-2018 | 4Matic, Base | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS
- GLE400 | 2019, 2016-2017 | 4Matic | 6 Cyl 3.0 L GAS
- GLE43 AMG | 2017-2019 | 4Matic | 6 Cyl 3.0 L GAS
- GLE450 AMG | 2016 | 4Matic | 6 Cyl 3.0 L GAS
- GLE550e | 2016-2018 | 4Matic | 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV)
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Mercedes-Benz Fuse & Relay Box
Part Number: 202-545-26-01
$112.80 MSRP: $157.00
You Save: $44.20 (29%)
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Product Specifications
- Other Name: Fuse Box
Fits the following Mercedes-Benz Models:
- C220 | 1994 | Base | 4 Cyl 2.2 L GAS
- C280 | 1994 | Base | 6 Cyl 2.8 L GAS
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Mercedes-Benz Junction Block
Part Number: 164-540-08-50
$68.40 MSRP: $95.00
You Save: $26.60 (28%)
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Product Specifications
- Other Name: Electrical Wiring Harness; Junction Block
Fits the following Mercedes-Benz Models:
- GL350 | 2010-2012 | Bluetec 4Matic | 6 Cyl 3.0 L DIESEL
- GL450 | 2010-2012 | Base | 8 Cyl 4.7 L GAS
- GL550 | 2010-2012 | Base | 8 Cyl 5.5 L GAS
- ML350 | 2010-2011 | 4Matic, Base, Bluetec 4Matic | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.5 L GAS
- ML450 | 2010-2011 | Hybrid 4Matic | 6 Cyl 3.5 L FULL HYBRID EV-GAS (FHEV)
- ML550 | 2010-2011 | Base | 8 Cyl 5.5 L GAS
- ML63 AMG | 2010-2011 | Base | 8 Cyl 6.3 L GAS
- R350 | 2011-2012 | 4Matic, Bluetec 4Matic | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.5 L GAS
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Mercedes-Benz Fuse & Relay Box
Part Number: 166-540-23-50
$60.00 MSRP: $84.00
You Save: $24.00 (29%)
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Product Specifications
- Other Name: Fuse Box
- Replaces: 166-540-17-50
Fits the following Mercedes-Benz Models:
- GL350 | 2013-2016 | Bluetec 4Matic | 6 Cyl 3.0 L DIESEL
- GL450 | 2013-2016 | 4Matic, Base | 6 Cyl 3.0 L GAS, 8 Cyl 4.7 L GAS
- GL550 | 2013-2016 | 4Matic | 8 Cyl 4.7 L GAS
- GL63 AMG | 2013-2016 | Base | 8 Cyl 5.5 L GAS
- GLE300d | 2016-2017 | 4Matic | 4 Cyl 2.1 L DIESEL
- GLE350 | 2016-2018 | 4Matic, Base | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS
- GLE400 | 2019, 2016-2017 | 4Matic | 6 Cyl 3.0 L GAS
- GLE43 AMG | 2017-2019 | 4Matic | 6 Cyl 3.0 L GAS
- GLE450 AMG | 2016 | 4Matic | 6 Cyl 3.0 L GAS
- GLE550e | 2016-2018 | 4Matic | 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV)
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Mercedes-Benz Housing Side Cover
Part Number: 246-540-38-03
$53.40 MSRP: $75.00
You Save: $21.60 (29%)
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Product Specifications
- Other Name: Equipment Box; Fuse & Relay Box, Housing, Housing Side Cover
- Replaces: 246-540-00-24
Fits the following Mercedes-Benz Models:
- B Electric Drive | 2015 | Base | BATTERY EV (EV/BEV)
- B250e | 2016-2017 | Base | BATTERY EV (EV/BEV)
- CLA250 | 2014-2019 | 4Matic, Base | 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS
- CLA45 AMG | 2014-2019 | 4Matic | 4 Cyl 2.0 L GAS
- GLA250 | 2015-2020 | 4Matic, Base | 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS
- GLA45 AMG | 2015-2019 | 4Matic | 4 Cyl 2.0 L GAS
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Mercedes-Benz Fuse & Relay Box
Part Number: 203-540-00-50
Product Specifications
- Other Name: Fuse Box; Fuse & Relay Box
Fits the following Mercedes-Benz Models:
- CLK320 | 2003-2005 | Base | 6 Cyl 3.2 L GAS
- CLK350 | 2006-2009 | Base | 6 Cyl 3.5 L GAS
- CLK500 | 2003-2006 | Base | 8 Cyl 5.0 L GAS
- CLK55 AMG | 2003-2006 | Base | 8 Cyl 5.5 L GAS
- CLK550 | 2007-2009 | Base | 8 Cyl 5.5 L GAS
- CLK63 AMG | 2007-2008 | Base, Black Series | 8 Cyl 6.3 L GAS
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Mercedes-Benz Relay Boxes

Mercedes-Benz Relay Boxes route clean, dependable current to lights, infotainment screens and safety sensors, making every journey effortless and electronic problems few and far between. For almost 100 years, Mercedes-Benz has combined performance and luxury starting with the pioneering work of Karl Benz and evolved into a global name providing sleek sedans, tough trucks and efficient buses. The brand pushes digital boundaries as seen with their MBUX voice controlled infotainment and their flexible MB.OS platform that integrates driver assist features, battery management, artificial intelligence and navigation into one smart network. Commitment to energy recovery in hybrid and electric models is another example of how the company places a high value on innovation that enables comfort and sustainability. Just as the vehicles are advanced, so is the mention here of Relay Boxes, which points out their equally thoughtful design. Each compact hub fits in a secure location under the hood with a rugged case and clear diagram to protect and organize miniature relays so that drivers can identify and replace a part rather than troubleshoot whole wiring looms. A well sealed unit is resistant to heat, vibration and moisture, which maintains delicate circuits leading to radios, chargers, headlights and much more. Swapping out a damaged relay is quick, but changing a worn box restores steady power flow and helps the whole lineup stay dependable mile after mile.

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 Relay Boxes 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.

Related Mercedes-Benz Parts

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