Description
A 171 820 41 61 is a Genuine Mercedes-Benz headlight assembly designed for selected Mercedes-Benz SLK-Class R171 models. This original Mercedes-Benz part is positioned at the front left-hand side of the vehicle and provides forward road illumination.
The official Mercedes-Benz parts catalogue identifies this component as a left-side front lighting unit. It is associated with selected SLK 200 Kompressor, SLK 300 and SLK 350 models, subject to vehicle specification.
Before ordering, verify the vehicle identification number (VIN), original headlight number and lighting configuration to ensure correct fitment.
Product Features
- Brand: Mercedes-Benz
- Part Number: A1718204161
- Alternative Number Format: A 171 820 41 61
- Part Type: Headlight Assembly
- Position: Front Left-Hand Side (LH)
- Vehicle Model: Mercedes-Benz SLK-Class
- Chassis: R171
- Component Category: Front Lighting
- Part Quality: Genuine Mercedes-Benz, when supplied as the original OEM part
- Fitment: VIN verification recommended
Product Overview
Specification Details Brand Mercedes-Benz Part Number A1718204161 Part Type Headlight Assembly Position Front Left (LH) Vehicle Model SLK-Class Chassis R171 Lighting Category Front Lighting Fitment Confirm using VIN Vehicle Compatibility
Potential applications include selected versions of:
- Mercedes-Benz SLK 200 Kompressor R171
- Mercedes-Benz SLK 300 R171
- Mercedes-Benz SLK 350 R171
Exact compatibility depends on production date, market, lighting system and vehicle specification.
Part Position (Left / Right / Front / Rear)
FRONT LEFT — HEADLIGHT ASSEMBLY
- Position: Front left-hand side (LH)
- Component: Headlight assembly
- Part Number: A1718204161
OEM / Cross-Reference Numbers
- A1718204161
- A 171 820 41 61
- A1648208661 — previous part reference listed as replaced by A1718204161
Confirm any replacement number against the VIN and official parts catalogue before ordering.
Fitment & Ordering Note
Before purchasing, verify:
- Mercedes-Benz SLK-Class R171 model and production year
- Vehicle VIN
- Original headlight part number
- Left-hand-side fitment
- Lighting type and electrical connectors
- Whether bulbs, control units or other accessories are included
Compare the replacement with the original unit before installation.

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