1978 Mercedes S Class Light Relays, Sensors, Control Modules
- Dorman®Conduct-Tite™ Headlight ConnectorMercedes 280SE / 300SD / 450SEL 1978, Conduct-Tite™ Headlight Connector by Dorman®. With insulation that’s as secure as it is durable, Dorman’s Pigtail Headlight Connector prevents the corrosion, overheating, and melting that...Direct replacement for ease of installationSave time and expense by replacing only the connector, not the entire harness$1.98 - $2.58
- Genuine®Electrical Pin ConnectorMercedes 280SE / 300SD / 450SEL 1978, Electrical Pin Connector by Genuine®. If your electrical parts are in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the...Designed to restore your vehicle’s electrical systemGenuine OE replacement parts from the OE manufacturer$5.33
- Dorman®Conduct-Tite™ High Temperature Headlight Standard SocketMercedes 280SE / 300SD / 450SEL With High Temperature Socket 1978, Conduct-Tite™ High Temperature Headlight Standard Socket by Dorman®. Length: 7" with Wire (1" Without Wire). Make better electrical repairs and accessory installations...Professional appearance - this electrical pigtail is designed for a clean, professional look when installedConvenient solution - this pigtail connector allows the circuit to be quickly disconnected for service or occasional use$6.24
- Dorman®TECHoice™ Headlight Switch Light SocketMercedes 280SE / 300SD / 450SEL 1978, TECHoice™ Headlight Switch Light Socket by Dorman®. Engagement of the four-wheel drive system is crucial during slick weather conditions. Dorman provides you with the security of knowing that your...Easy installation; just plug it in to the mating componentDirect replacement matches original design$9.00
- Meyle®Multi Purpose RelayMercedes 280SE / 300SD / 450SEL 1978, Multi Purpose Relay by Meyle®. Keep your prized possession running at its optimum and enjoy a safe driving experience with top-of-the-line Meyle replacement automotive parts. Made using premium...Designed to make your vehicle perform at its optimal levelManufactured from high-strength materials for long-lasting durability$19.20
- Dorman®Conduct-Tite™ Wire Contact SocketConduct-Tite™ Wire Contact Socket by Dorman®. Dorman offers a comprehensive line of Lighting Socket for a wide range of applications. All Dorman's Lighting Socket are constructed of high-quality materials for long-lasting durability....Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques$1.96 - $13.13
- Race Sport®OEM Factory Replacement BallastOEM Factory Replacement Ballast by Race Sport®. These individual OEM HID Replacement ballasts ensure that your vehicle's lighting is always working. This product is made of high-quality materials to serve you for years to come. Designed...Single 35W OEM D4 Style HID Replacement BallastIncludes mounting hardware$64.99 - $99.99
- Dorman®3-Wire with Fiber Optic Headlight3-Wire with Fiber Optic Headlight by Dorman®. Dorman offers a comprehensive line of Headlight Switch Connectors for a wide range of applications. All the Headlight Switch Connectors are constructed of high-quality materials for...Direct replacement Headlight Switch Connectors available to ensure a proper fitVehicle try-on testing has been conducted on this part to ensure a trouble-free performance$9.32
- Race Sport®High Intensity Discharge Lighting BallastHigh Intensity Discharge Lighting Ballast by Race Sport®. Looking to maintain the top condition of your electrical system? They are ready to help you! Just choose from their immense selection of premium replacement electrical parts...Includes mounting hardwareDoes not include bulbs, additional wiring, or harnesses$34.99 - $44.99
- Race Sport®High Intensity Discharge Lighting BallastHigh Intensity Discharge Lighting Ballast by Race Sport®. Looking to maintain the top condition of your electrical system? They are ready to help you! Just choose from their immense selection of premium replacement electrical parts...Constructed of high-quality materialsRugged construction to withstand harsh conditions$6.99 - $39.99
- Painless Performance®LED FlasherLED Flasher by Painless Performance®. LED Turn Signal lights do not draw enough current to trigger most thermal flashers. The Painless LED flasher has a miniature circuit board and relay to operate the flasher to keep your LED's bright...High quality at an affordable priceExpertly made from premium materials$22.92
- Truck-Lite®Headlight Wiring Harness ConnectorHeadlight Wiring Harness Connector by Truck-Lite®. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from our immense selection of premium replacement electrical parts manufactured to...Expertly crafted from premium materialsDesigned to match rigorous quality standards$2.35 - $61.86
- Standard®Handypack™ Contact Light SocketHandypack™ Contact Light Socket by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all...The handypack™ program is the most complete wiring center. Featuring application and non-application electrical products, handypack™ has the products and tools needed to get your electrical job done rightPigtail and Socket Assembly$2.13 - $4.19
- Standard®Handypack™ Indicator LampHandypack™ Indicator Lamp by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all...Indicator Light SwitchAdd additional electrical circuits for accessories to customize your vehicle$2.52 - $2.72
- Dorman®Conduct-Tite™ Relay (4 Pin, 30 Amp, 12 Volt)Conduct-Tite™ Relay (4 Pin, 30 Amp, 12 Volt) by Dorman®. Amperage: 30 Amp. Voltage: 12V. Terminal Gender: Male, Terminal Material: Plastic, Terminal Type: Blade, Wire Gauge: Not Applicable. Dorman offers a comprehensive line of Relay...Reduces voltage drops and helps maintain optimum operating currentAvailable for both 4- and 5-pin connections$5.50
- Dorman®Conduct-Tite™ Tower Housing Technician TerminalConduct-Tite™ Tower Housing Technician Terminal by Dorman®. Material: Plastic. Dorman offers a comprehensive line of Weather Pack Series Connectors for almost any automotive electrical repair. All Dorman's Weather Pack Series...Available in many different styles including PVC and weatherproofA large selection of wire gauges available$1.99 - $2.19
- Race Sport®AC Replacement BallastAC Replacement Ballast by Race Sport®. Wattage: 35W. Race Sport replacement HID ballasts are Sold individually, ready to keep your vehicle safe on the road with the increased vision Race Sport lighting provides. Looking to maintain the...Constructed of high-quality materialsRugged construction to withstand harsh conditions$19.99
- Race Sport®Amp Power SupplyAmp Power Supply by Race Sport®. Looking to maintain the top condition of your electrical system? They are ready to help you! Just choose from their immense selection of premium replacement electrical parts manufactured to strict...Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques$24.99 - $94.99
- Race Sport®GEN1 CANBUS Replacement BallastGEN1 CANBUS Replacement Ballast by Race Sport®. Wattage: 35W. Race Sport replacement HID ballasts are Sold individually, ready to keep your vehicle safe on the road with the increased vision Race Sport lighting provides. Looking to...Constructed of high-quality materialsRugged construction to withstand harsh conditions$8.99
- Race Sport®GEN2 CANBUS Replacement BallastGEN2 CANBUS Replacement Ballast by Race Sport®. Wattage: 35W. Race Sport replacement HID ballasts are Sold individually, ready to keep your vehicle safe on the road with the increased vision Race Sport lighting provides. Looking to...Constructed of high-quality materialsRugged construction to withstand harsh conditions$23.99
- Race Sport®GEN4 CANBUS Replacement BallastGEN4 CANBUS Replacement Ballast by Race Sport®. Wattage: 35W. Race Sport replacement HID ballasts are Sold individually, ready to keep your vehicle safe on the road with the increased vision Race Sport lighting provides. Looking to...Constructed of high-quality materialsRugged construction to withstand harsh conditions$13.99
- Race Sport®Gen2® HID Conversion Kit Spare Ballast with CANBUS Technology Built-InGen2® HID Conversion Kit Spare Ballast with CANBUS Technology Built-In by Race Sport®. Looking to maintain the top condition of your electrical system? They are ready to help you! Just choose from their immense selection of premium...Constructed of high-quality materialsRugged construction to withstand harsh conditions$99.99
- Race Sport®Gen6 Super-Slim CANBUS BallastGen6 Super-Slim CANBUS Ballast by Race Sport®. Looking to maintain the top condition of your electrical system? They are ready to help you! Just choose from their immense selection of premium replacement electrical parts manufactured to...Direct Canbus communicationNo radio interference$84.99 - $164.99
- Race Sport®Mid-Slim DC Replacement BallastMid-Slim DC Replacement Ballast by Race Sport®. Race Sport replacement HID ballasts are Sold individually, ready to keep your vehicle safe on the road with the increased vision Race Sport lighting provides. Looking to maintain the top...Constructed of high-quality materialsRugged construction to withstand harsh conditions$17.99
- Race Sport®Professional OEM Replacement BallastProfessional OEM Replacement Ballast by Race Sport®. Looking to maintain the top condition of your electrical system? They are ready to help you! Just choose from their immense selection of premium replacement electrical parts...35W / 1100VDC / 85VAC / 2000HRSD1 HID bulb connector$34.99 - $49.99
- Race Sport®Professional OEM Replacement Ballast (D1)Professional OEM Replacement Ballast (D1) by Race Sport®. Race Sport Lighting professional universal style OEM replacement ballast. These ballast make excellent replacements when OEM specific ballasts are not readily available or when...35W / 1100VDC / 85VAC / 2000HRSD1 HID bulb connector$69.99
- Race Sport®Slim AC Replacement BallastSlim AC Replacement Ballast by Race Sport®. Wattage: 35W. Race Sport replacement HID ballasts are Sold individually, ready to keep your vehicle safe on the road with the increased vision Race Sport lighting provides. Looking to maintain...Constructed of high-quality materialsRugged construction to withstand harsh conditions$6.99
- Race Sport®Super Slim DC HID Replacement BallastSuper Slim DC HID Replacement Ballast by Race Sport®. Wattage: 35W. Race Sport replacement HID ballasts are Sold individually, ready to keep your vehicle safe on the road with the increased vision Race Sport lighting provides. Looking...Constructed of high-quality materialsRugged construction to withstand harsh conditions$4.99
- Race Sport®V2 Super Slim Digital Replacement BallastV2 Super Slim Digital Replacement Ballast by Race Sport®. Looking to maintain the top condition of your electrical system? They are ready to help you! Just choose from their immense selection of premium replacement electrical parts...Constructed of high-quality materialsRugged construction to withstand harsh conditions$44.99
- Install Bay®LED Brake Light Safety Flash ControllerLED Brake Light Safety Flash Controller by Install Bay®. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from our immense selection of premium replacement electrical parts...Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques$12.61
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1978 Mercedes S Class Models
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