9678200421 front lamp is a dedicated LED front lamp assembly designed for vehicles suitable for and compatible with MERCEDES-BENZ Atego 3. Mounted in the front bumper and grille area, it provides bright daytime running and position lighting that increases truck visibility in dense city traffic, loading yards and low-light conditions, while preserving the distinctive look of the Atego 3 front end.

The 9678200421 front lamp follows the LED architecture used on other front modules for trucks suitable for and compatible with MERCEDES-BENZ Atego 3, combining a compact optics package with a sealed housing to protect against vibration, water spray and stone impacts. This makes it well suited to stop–start distribution work, municipal operations and service applications where vehicles encounter frequent kerb contacts, tight manoeuvring and variable weather.

Because the 9678200421 front lamp is an LED module supplied without separate bulbs, fleets operating vehicles suitable for and compatible with MERCEDES-BENZ Atego 3 spend less time on filament-bulb replacements at this position. Workshop teams focus on correct module installation, secure harness routing and diagnostic checks to ensure the truck’s body controller recognises the lamp correctly and keeps the driver display free of spurious warning messages.

Installed according to recognised commercial-vehicle procedures, connected securely to the existing wiring harness and included in routine inspections for lens clarity, mechanical fastening and correct operation, the 9678200421 front lamp supports long-term safety, compliance and professional appearance for fleets running trucks suitable for and compatible with MERCEDES-BENZ Atego 3 platforms.

• Adopt the 9678200421 front lamp as a core LED front lamp reference in warehouse systems for fleets operating vehicles suitable for and compatible with MERCEDES-BENZ Atego 3, reducing picking errors and catalogue confusion.
• Combine this reference with matching front lamps in pre-packed service kits aimed at distributors focused on products compatible with MERCEDES-BENZ medium-duty trucks.
• Standardise part numbers across depots so purchasing teams can negotiate stable supply and competitive pricing for the 9678200421 front lamp in large Atego 3 fleets.
• Plan buffer stocks according to accident statistics and refurbishment cycles, helping ensure vehicles suitable for and compatible with MERCEDES-BENZ Atego 3 do not remain off-road while awaiting front lamp replacements.
• Offer neutral or private-label packaging with clear OE references and scannable identification to support both traditional wholesale channels and online truck-parts platforms.

• Park the vehicle suitable for and compatible with MERCEDES-BENZ Atego 3 on level ground, apply the parking brake and isolate the electrical system before removing the existing 9678200421 front lamp or working on the front wiring.
• Remove the required trim or access covers around the front lamp position according to the workshop procedure, taking care not to damage paintwork, clips or sealing surfaces on the bumper and grille.
• Disconnect the electrical connector and check terminals, seals and harness insulation for signs of corrosion, moisture or mechanical damage; rectify any issues before installing the new LED module.
• Offer the 9678200421 front lamp into the correct front aperture used on trucks suitable for and compatible with MERCEDES-BENZ Atego 3, making sure all locating pins and fixing points engage correctly, then tighten fasteners evenly to avoid stressing the housing.
• Reconnect the harness, switch on the lighting from the cab and confirm that the LED functions operate correctly and that no additional warning messages remain on the driver display after a short functional test.

• Primary reference: 9678200421 – LED front lamp with E-mark, suitable for and compatible with MERCEDES-BENZ Atego 3 medium-duty trucks.
• Intended for vehicles suitable for and compatible with MERCEDES-BENZ Atego 3 produced from approximately 2013–2023, depending on market and specific cab or bumper configuration.
• Designed for daily operation in distribution, municipal and regional service where robust LED front lighting and clear vehicle recognition are essential.

The 9678200421 front lamp is built with LED technology and automotive-grade materials for use on vehicles suitable for and compatible with MERCEDES-BENZ Atego 3. Its E-marked design is intended to support compliance with common European front-lamp regulations when installed and operated within the truck manufacturer’s electrical specification.

• Sealed housing and robust lens materials help protect the LED modules from vibration, spray and stone impacts encountered by Atego 3 trucks in everyday service.
• Installation and inspection should follow local legal requirements and recognised commercial-vehicle workshop practices to help ensure safe, reliable operation on public roads.
• Routine cleaning, visual checks and diagnostic testing support long-term performance of the 9678200421 front lamp on vehicles suitable for and compatible with MERCEDES-BENZ Atego 3 platforms.

All service work on this LED front lamp should be carried out by trained technicians familiar with lighting and electrical systems on trucks suitable for or compatible with MERCEDES-BENZ vehicles.