Vemo V30-71-0032 Horn Relay

Horn Relay for Mercedes-Benz Electrical Repair

The Vemo V30-71-0032 horn relay is a 12-volt, 20-amp electrical relay built for Mercedes-Benz applications that use a 4-pin connector. With compact dimensions of 28 mm long, 25 mm wide, and 17 mm high, it is sized for direct replacement in the vehicle’s relay system.

Compatible with Mercedes-Benz C250, C300, C350, and C63 AMG applications, this VEMO relay supports horn circuit operation where the original relay has failed or become intermittent. The V30-71-0032 part number is also referenced in cross-application listings for OE-style electrical service.

Key Features

• Horn relay for Mercedes-Benz electrical systems
• 12 V operating voltage and 20 A amperage rating
• 4-pin connector configuration
• Compact housing: 28 mm length, 25 mm width, 17 mm height
• Low unit weight at 0.019 kg
• Vemo V30-71-0032 replacement part number

Product Details

VEMO is the brand line used for this relay, and the V30-71-0032 is specified as a horn relay for body and electrical repair. The listed dimensions and connector layout help confirm physical fitment when replacing a failed relay in Mercedes-Benz C-Class and AMG applications. This part cross-references Four Seasons 20930 for the same application.

Fits 2012 Mercedes-Benz C250, N/A. Fits 2008-2012 Mercedes-Benz C300, N/A. Fits 2008-2012 Mercedes-Benz C350, N/A. Fits 2008-2012 Mercedes-Benz C63 AMG, N/A.

Common Issues This Relay Can Address

• Horn inoperative due to relay failure
• Intermittent horn operation
• Electrical switching faults in the horn circuit
• Relay-related clicking or no-response conditions
• Replacement needs after corrosion or internal wear

Installation Notes and Tips

Verify the vehicle uses a 4-pin, 12 V, 20 A horn relay before installation. Match the relay housing dimensions and connector style to the original unit, and confirm the part number V30-71-0032 against the existing relay or service catalog before replacement.

Quality Assurance

This VEMO relay is listed with OE-style interchange references, including Mercedes-Benz and Four Seasons cross-references, to support accurate parts matching for electrical service.