Description
Mirror turn signal by DEPO, catalog number 3401404LUS. Confirmed catalog fitment: Mercedes-Benz E-Class S211 (2003–2009), Mercedes-Benz E-Class W211 (2002–2008). For an accurate match, compare the number and identification with the removed part and confirm the vehicle specification by VIN. The fitment list is a reference and does not replace a vehicle-specific compatibility check.
SIDE MIRROR TURN SIGNAL INDICATOR
A side mirror turn signal indicator is a lighting module integrated into the exterior mirror housing. It provides directional signaling to improve visibility and safety during lane changes and turns.
The unit may consist of a separate LED insert or an integrated module with a transparent lens. Depending on vehicle configuration, dynamic sequential indicators may be available.
Common issues include non-functioning LEDs, flickering light, housing cracks, or loss of sealing after impact.
Our catalog includes mirror turn signal indicators for many vehicle brands. Genuine lighting components, reliable aftermarket replacements, and tested used modules without cracks or contact damage are available.
Used units are inspected for LED functionality, housing condition, sealing integrity, and mounting clip strength.
Selection is based on VIN number, installation side (left or right), mirror type, and part number. Replacing a faulty mirror indicator restores proper signaling performance.
A side mirror turn signal indicator is a lighting module integrated into the exterior mirror housing. It provides directional signaling to improve visibility and safety during lane changes and turns.
The unit may consist of a separate LED insert or an integrated module with a transparent lens. Depending on vehicle configuration, dynamic sequential indicators may be available.
Common issues include non-functioning LEDs, flickering light, housing cracks, or loss of sealing after impact.
Our catalog includes mirror turn signal indicators for many vehicle brands. Genuine lighting components, reliable aftermarket replacements, and tested used modules without cracks or contact damage are available.
Used units are inspected for LED functionality, housing condition, sealing integrity, and mounting clip strength.
Selection is based on VIN number, installation side (left or right), mirror type, and part number. Replacing a faulty mirror indicator restores proper signaling performance.
Compatibility
Fits 2 vehicles
Nothing found
About the manufacturer · DEPO
DEPO is a Taiwanese automotive components manufacturer founded in 1977, specializing in lighting products such as headlights, tail lights, turn signals and fog lamps, as well as selected body and electrical parts for pas...
About the manufacturer · DEPO
DEPO is a Taiwanese automotive components manufacturer founded in 1977, specializing in lighting products such as headlights, tail lights, turn signals and fog lamps, as well as selected body and electrical parts for pas...
DEPO is a Taiwanese automotive components manufacturer founded in 1977, specializing in lighting products such as headlights, tail lights, turn signals and fog lamps, as well as selected body and electrical parts for passenger vehicles, with a strong presence in the global aftermarket. The company focuses on producing high-quality replacements for OEM parts, complying with international standards and certifications such as E-mark and DOT, and supplies products widely across Europe and the United States. Its main priorities include accurate fitment, compliance with OEM specifications and competitive pricing. According to user and workshop feedback, DEPO is considered one of the best non-OEM lighting brands due to its solid build quality, proper light output and ease of installation, although some differences in durability, plastic quality and sealing compared to original parts are occasionally noted. Overall, the brand is regarded as a reliable mid-range solution with an excellent price-to-quality ratio.
Additional information
Mirror turn signal by DEPO, catalog number 3401404LUS, is listed for vehicle repair or maintenance. The catalog identifies the item as “Mirror turn signal”. Confirmed catalog fitment: Mercedes-Benz E-Class S211 (2003–2009), Mercedes-Benz E-Class W211 (2002–2008). Fitment is based on the catalog links between the part and vehicle bodies. It helps narrow the search, but final compatibility must be confirmed for the exact vehicle specification. The primary ordering references are part number 3401404LUS and manufacturer DEPO. Parts can differ within the same vehicle model by production year, engine, transmission, installation side, or position. Before purchase, compare the number and identification with the removed component and verify body, year, and specification by VIN. Also compare appearance, connectors, mountings, dimensions, and included items whenever those details are relevant to this part. Compare the offered part with the removed unit and confirm fitment by VIN when necessary.
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