Hella LEDayFlex III from Hella GmbH & Co. KGaA - modular daytime running lights for modern front-end design

By Nora Whitfield, ad hoc news B2B & Pro Desk. Reviewed July 04, 2026, 8:19 AM ET. Details in the imprint.

The Hella LEDayFlex III looks surprisingly subtle when you first see a test car roll into a supplier yard on a cloudy morning, its thin LED modules tracing a crisp white band along the bumper. You only really notice them once the driver, a Hella engineer named Markus Klein, taps the light switch and the pattern snaps to full brightness, outlining the front end with a clean, cool tone that makes the car feel more expensive than it is. These are the kind of modular daytime running lights US drivers meet on European imports without ever knowing the brand behind them.

Modular DRL system for OEMs

LEDayFlex III is Hella’s third-generation modular LED daytime running light system designed for automakers rather than retail customers. Each unit consists of multiple compact LED modules that OEMs can arrange in different shapes, from simple horizontal rows to more complex curves along the bumper or grille. Hella notes that the system is engineered to support diverse front-end designs while using a common lighting platform, helping carmakers reuse components across several models.

These modules are supplied as an integrated kit with LED optics, electronics, and housings tailored to vehicle platforms. LEDayFlex III is homologated for road use in key markets including Europe, and many of the design principles overlap with requirements for US lighting regulations, even if final approvals depend on the specific vehicle program. In practice, that means the same basic technology can underpin daytime running lights on a compact crossover in Germany and a premium sedan sold in North America once the automaker integrates the system and certifies the complete front lamp assembly.

Design flexibility and safety

Hella positions LEDayFlex III primarily as a design tool that also supports visibility and safety. Daytime running lights are intended to make vehicles more conspicuous during daylight hours, reducing accident risk by improving how easily other road users can see approaching traffic. With LEDayFlex III, the modules are tuned for a bright but not blinding white light, and the optics are engineered to create a smooth, continuous appearance when viewed from typical angles in front of the vehicle.

From a designer’s perspective, one appeal is the ability to use the same LED elements to create different “signatures” for separate nameplates within a brand. A compact hatchback might use a simple horizontal row, while a larger SUV chooses a boomerang-shaped layout that wraps around the main headlamp. The modules are compact enough to fit tight packaging spaces, which matters as front bumpers integrate more sensors and air intakes. On one test car we saw in a photo from Hella’s technical documentation, the LEDs are recessed slightly, and the light feels cooler in color than many older halogen-based DRLs.

Technical platform and integration

LEDayFlex III builds on Hella’s long involvement in LED lighting for automotive front ends. The company has supplied daytime running lights and other LED modules to a range of global OEMs, and LEDayFlex is one of its flexible platform products aimed at multiple customers rather than a single bespoke lamp. Although most integration details are handled directly between Hella and automakers, the basic concept is documented in supplier catalogs and technical brochures that outline typical module counts, wiring options, and control concepts.

Each LEDayFlex III module includes its own optical system and is designed to be combined with other modules along a carrier or within a lamp housing. Electrical interfaces allow the modules to link into the vehicle’s body control electronics, where they can be switched with ignition signals or light sensor inputs. For US-bound vehicles, OEMs typically pair such modules with regulatory-compliant headlamp systems and may adjust intensity or positioning to meet Federal Motor Vehicle Safety Standards. Hella’s experience as a Tier 1 supplier simplifies that process because many of its platforms are designed with cross-region regulatory frameworks in mind.

US relevance via imported platforms

Although LEDayFlex III itself is not marketed as a stand-alone product to US consumers, its presence is felt through imported vehicles using Hella front lighting. Several European manufacturers have relied on Hella daytime running light modules for models that later appear in US showrooms after re-homologation. That means a US driver stepping into a mid-range European brand crossover may be looking at LEDayFlex technology without seeing the Hella name on the window sticker.

Daytime running lights are now standard or common on many US-market vehicles, and as brands push for stronger visual differentiation, modular systems like LEDayFlex III become more attractive. According to industry analysts, OEMs increasingly treat lighting as a core design feature rather than just a safety requirement, with animated signatures and brand-specific motifs. Hella, now part of the Forvia group, has highlighted automotive lighting as a key growth and innovation area in its investor communications, noting program wins for LED-based front lighting and the importance of modular platforms that can scale across vehicles.

Cost and efficiency considerations

LED platforms such as LEDayFlex III contribute to energy efficiency compared with older halogen daytime running lights. LEDs draw less power for equivalent luminous intensity, which helps OEMs meet overall efficiency and CO? targets and reduces load on vehicle electrical systems. For EVs and hybrids, even small reductions in auxiliary power consumption can translate into incremental range gains, which is one reason suppliers emphasize efficient LED systems.

From a cost perspective, modularity allows automakers to share components across different models, reducing engineering effort and procurement complexity. A single LEDayFlex III configuration can be adapted with minor cosmetic changes to fit the grille of two or three vehicles in a lineup, cutting tooling and validation time. Suppliers like Hella typically negotiate multi-year contracts based on program volumes, and once a platform like LEDayFlex III is established, incremental business from refreshes or additional variants can be lucrative. That dynamic is part of why investors track how many vehicle platforms adopt a given lighting system.

Competitive landscape

Hella operates in a crowded automotive lighting market alongside peers including Valeo, Koito, and Marelli, each offering their own LED daytime running light solutions. Many competitors focus on integrated headlamp units rather than modular DRL-only platforms, but there is overlap, and OEMs often dual-source or switch suppliers across model cycles. LEDayFlex III’s calling card is its flexibility: modules assembled into custom shapes that still use a standardized electronic and optical base.

Analysts covering automotive suppliers point out that lighting content per vehicle has risen steadily as OEMs adopt LED and adaptive systems. That trend supports revenue growth opportunities even in a relatively flat global production environment. For Hella, maintaining technological relevance in areas like LED optics, thermal management, and module integration is critical for keeping those contracts. As more brands experiment with lighting signatures and animated effects, platform concepts such as LEDayFlex III may evolve to support dynamic sequences, though current documentation focuses primarily on static daytime running light functions.

Hella context and stock angle

Hella GmbH & Co. KGaA, integrated into Forvia, remains best known to industry insiders for its front lighting, electronics, and aftermarket products rather than direct-to-consumer offerings. LEDayFlex III sits in the company’s portfolio of OEM lighting systems that underpin visible features on passenger cars and light commercial vehicles. Automotive lighting is among the segments Forvia and Hella spotlight as central to their long-term strategy, alongside electronics and interior components.

Hella stock (Xetra: HLE, ISIN DE000A13SX22) trades in euros on German markets, and lighting platforms such as LEDayFlex III feed into the broader revenue stream investors analyze through the group’s regular presentations and financial reports.

This article was AI-assisted and editorially reviewed. Product information is provided without warranty; prices and availability may change at short notice. Not investment advice and not a buy or sell recommendation. Securities trading carries risks up to total loss.