HomeElectrical, Lighting and Body > RelaysStandard Ignition RY-1739 Computer Control Relay
Part #: RY-1739

Standard Ignition RY-1739 Computer Control Relay

⚙️ 17 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mercedes-Benz, SLK230, SLK32 AMG, SLK320, E320, and E420
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Reliable Computer Control Relay for Mercedes-Benz Vehicles

The Standard Ignition RY-1739 computer control relay is designed specifically for select Mercedes-Benz models, including the E320, E420, SLK32 AMG, SLK230, and SLK320. This relay ensures consistent electrical performance and supports critical vehicle functions.

Key Features of Standard Ignition RY-1739 Relay

  • Compatible with Mercedes-Benz E320, E420, SLK32 AMG, SLK230, and SLK320 models
  • Computer control relay designed for precise electrical switching
  • Durable construction for long-lasting operation
  • OEM-quality replacement part meeting factory specifications
  • Part number RY-1739 for accurate identification and fitment

Detailed Description of the RY-1739 Computer Control Relay

The Standard Ignition RY-1739 is a computer control relay engineered to manage electrical circuits within Mercedes-Benz vehicles. This relay plays a vital role in controlling various electrical components by providing reliable switching based on computer commands. Its design ensures compatibility with the electrical systems of the E320, E420, SLK32 AMG, SLK230, and SLK320 models, maintaining proper vehicle operation and safety. The relay's robust construction helps withstand the demanding conditions under the hood, contributing to consistent vehicle performance.

Common Applications and Issues Addressed

  • Restores proper function to malfunctioning electrical circuits
  • Resolves intermittent power loss in vehicle systems
  • Prevents electrical component failures due to relay faults
  • Supports stable operation of engine control and lighting systems
  • Eliminates relay-related starting or accessory power issues

Installation Notes and Tips

  • Ensure vehicle ignition is off before replacing the relay
  • Locate the relay in the fuse box or relay panel specific to your Mercedes-Benz model
  • Compare the new relay (RY-1739) with the old one to confirm correct fitment
  • Handle the relay carefully to avoid damage to terminals
  • Consult the vehicle’s service manual for detailed installation instructions

Quality Assurance and Warranty Information

Standard Ignition parts, including the RY-1739 computer control relay, are manufactured to meet or exceed original equipment standards. This relay undergoes rigorous testing to ensure reliable performance and durability. While specific warranty terms may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship to provide confidence in your replacement part.

BrandStandard Ignition
Part NumberRY-1739
Amperage Rating40 A
Connector GenderFemale
Connector ShapeOval
FunctionsMulti-Function Relay
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal TypePin ; Female Plug
Voltage12

This part fits 17 vehicles. Search below:

YearMakeModelPositionNotes
2004Mercedes-BenzSLK230N/A
2004Mercedes-BenzSLK32 AMGN/A
2004Mercedes-BenzSLK320N/A
2003Mercedes-BenzSLK230N/A
2003Mercedes-BenzSLK32 AMGN/A
2003Mercedes-BenzSLK320N/A
2002Mercedes-BenzSLK230N/A
2002Mercedes-BenzSLK32 AMGN/A
2002Mercedes-BenzSLK320N/A
2001Mercedes-BenzSLK230N/A
2001Mercedes-BenzSLK320N/A
2000Mercedes-BenzSLK230N/A
1999Mercedes-BenzSLK230N/A
1998Mercedes-BenzSLK230N/A
1997Mercedes-BenzE320N/A
1997Mercedes-BenzE420N/A
1996Mercedes-BenzE320N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

2105400072AR7243R7242

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.