{"product_id":"hella-008188071-diesel-glow-plug-controller","title":"Hella 008188071 Diesel Glow Plug Controller","description":"\u003ch2\u003eDiesel Glow Plug Control for Mercedes-Benz\u003c\/h2\u003e\u003cp\u003eHella 008188071 is a 12-volt diesel glow plug controller built for precise pre-glow and after-glow operation. It uses external temperature measurement to help manage cold-start heating based on engine conditions, making it a direct-fit service part for select Mercedes-Benz diesel applications.\u003c\/p\u003e\u003cp\u003eCompatible With Mercedes-Benz S350, 300SD, 350SD, and 350SDL applications, this controller supports reliable glow plug timing for hard-start complaints and cold-weather diesel operation. The Hella 008188071 part number is also referenced in OE-style interchange listings for cross-checking during replacement.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e12-volt diesel glow plug controller\u003c\/li\u003e\n\u003cli\u003eAfter-glow capable design for extended post-start heating\u003c\/li\u003e\n\u003cli\u003e9-second pre-glow time specification\u003c\/li\u003e\n\u003cli\u003e12-pole electrical connection\u003c\/li\u003e\n\u003cli\u003eExternal temperature measurement input\u003c\/li\u003e\n\u003cli\u003eHella 008188071 replacement part\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Overview\u003c\/h2\u003e\u003cp\u003eHELLA 008188071 is a diesel glow plug controller engineered to manage glow plug activation during cold starts and the warm-up phase. The unit’s after-glow capability helps maintain combustion support after the engine starts, while the external temperature measurement feature allows the controller to respond to ambient conditions. This makes it a practical replacement for Mercedes-Benz diesel models that rely on accurate glow plug timing for dependable starting and smoother initial operation.\u003c\/p\u003e\u003cp\u003eThis part fits 1994-1995 Mercedes-Benz S350, 1992-1993 Mercedes-Benz 300SD, 1991 Mercedes-Benz 350SD, and 1990-1991 Mercedes-Benz 350SDL. If you are searching for a Mercedes-Benz diesel glow plug controller 12V or a Hella 008188071 replacement for these applications, this unit matches the listed fitment and electrical specifications.\u003c\/p\u003e\u003cp\u003eThis part cross-references Febi-Bilstein 34452 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExtended cranking during cold starts\u003c\/li\u003e\n\u003cli\u003eGlow plug timing faults in diesel starting systems\u003c\/li\u003e\n\u003cli\u003eRough initial idle after startup\u003c\/li\u003e\n\u003cli\u003eLoss of after-glow function\u003c\/li\u003e\n\u003cli\u003eTemperature-related glow plug control issues\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle’s year, model, and electrical connector count before replacement. Confirm the 12-volt system specification and compare the existing controller’s pole count and temperature-sensing setup to the listed details. For best results, inspect the glow plugs, wiring, and related relays during diagnosis so the new controller is not installed into a system with unresolved faults.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eHELLA is a recognized automotive electrical brand with OE-level application coverage across many vehicle systems. Part number 008188071 is listed with confirmed Mercedes-Benz diesel fitment and matching technical specifications for replacement selection.\u003c\/p\u003e","brand":"Hella","offers":[{"title":"Default Title","offer_id":52415095996597,"sku":"BFDP-008188071","price":149.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/HL_008188071_Fro.jpg?v=1777799136","url":"https:\/\/www.partcatalog.com\/products\/hella-008188071-diesel-glow-plug-controller","provider":"PartCatalog","version":"1.0","type":"link"}