HomeElectrical, Lighting and Body > Lighting - ExteriorHella 015619851 Headlight Assembly - Left
Part #: 015619851

Hella 015619851 Headlight Assembly - Left

Genuine OE from HELLA, Left
⚙️ 6 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$1,278.00Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Genuine OE from HELLA, Left
🚗Fitment: Mercedes-Benz, CLS450 and CLS53 AMG
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Left LED Headlight Assembly for Mercedes-Benz CLS

This Hella Genuine OE from HELLA front lighting assembly is a standard replacement left headlight for select Mercedes-Benz CLS models. Built as a complete LED headlight assembly, it supports the vehicle’s front lighting system with SAE-approved road use compliance and a 12V electrical design.

Part number 015619851 is engineered for the left side and matches the lighting needs of 2019-2021 Mercedes-Benz CLS450 and 2019-2021 Mercedes-Benz CLS53 AMG applications. If you need a Mercedes-Benz CLS left LED headlight assembly with OE-style fit and function, this unit is built for that exact role.

Key Features

  • Genuine OE from HELLA front lighting line
  • Headlight assembly with LED bulb technology
  • Left-side fitment
  • SAE approved and SAE tested
  • 12V electrical specification
  • Five light functions, including LED position light
  • Standard replacement grade
  • Supplied without control unit
  • Paired catalog number: 1EX 015 619-861

Product Details

HELLA front lighting solutions are built around the role headlights play in nighttime visibility and vehicle safety. This assembly uses LED light design and LED lamp technology to deliver the front lighting function required on the Mercedes-Benz CLS platform. It is a left headlight assembly for 2019-2021 Mercedes-Benz CLS450 and 2019-2021 Mercedes-Benz CLS53 AMG, with SAE approval for regulated road use in the U.S. market.

Part number 015619851 is a direct-reference OE-style replacement for drivers and repair shops looking for a Mercedes-Benz CLS left headlight assembly that follows the original lighting layout. This part cross-references Mercedes-Benz OE numbers 257 906 17 00 and A 257 906 17 00 for the same application.

What It Helps Solve

  • Cracked or damaged left headlight housing
  • Dim, failed, or inconsistent LED front lighting
  • Position light malfunction on the left side
  • SAE compliance issues from a non-approved lamp
  • Restoration of proper front-end lighting on Mercedes-Benz CLS450 and CLS53 AMG models

Installation Notes

Installation requires qualified personnel. This headlight assembly is supplied without a control unit, so verify the vehicle’s existing electronics and transfer requirements before installation. Confirm left-side placement and match the vehicle to the listed fitment before ordering. For Mercedes-Benz CLS applications, part number 015619851 should be checked against the paired catalog number and OE references during service planning.

Quality Assurance

As part of HELLA’s Genuine OE front lighting line, this assembly is built to OE-level specifications for the listed Mercedes-Benz CLS fitments. It is SAE approved and marked SAE for regulated use on the road.

BrandHella
Part Number015619851
PositionGenuine OE from HELLA, Left
Grade TypeStandard replacement
Headlight TypeAssembly
Bulb TechnologyLed
Assy/Disassy by Qualified Personnel Required!.
Fitting PositionLeft
Lamp TypeLed
Light DesignLed
Light FunctionWith position light (led)
Number of light functions5
Paired Catalog Number1ex 015 619-861
Registration TypeSae approved
Supplementary Article/Supplementary InfoWithout control unit
Test MarkSae
Voltage [VDC]12
without letteringMercedes-benz

This part fits 6 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2021Mercedes-BenzCLS4503.0LL6LeftSAE; Genuine OE from HELLA
2021Mercedes-BenzCLS53 AMG4Matic3.0LL6LeftSAE; Genuine OE from HELLA
2020Mercedes-BenzCLS4503.0LL6LeftSAE; Genuine OE from HELLA
2020Mercedes-BenzCLS53 AMG4Matic3.0LL6LeftSAE; Genuine OE from HELLA
2019Mercedes-BenzCLS4503.0LL6LeftSAE; Genuine OE from HELLA
2019Mercedes-BenzCLS53 AMG4Matic3.0LL6LeftSAE; Genuine OE from HELLA

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

257 906 17 00A 257 906 17 00MB2502277

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.