Depo 340-1603L-AQ Daytime Running Light - Left

Brand Depo 340-1603L-AQ
Position Left
Fits Mercedes-Benz · 8 vehicles

Daytime running light for clear, everyday visibility.

$144.52Free shipping
In stock · usually ships same day before 1pm CST
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Order total $144.52
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Free returns within 60 days if it doesn't fit when fitment is verified.

Mercedes-Benz ML350 ML550 Left Daytime Running Light

This Depo left daytime running light is built for select 2012-2015 Mercedes-Benz ML350 and ML550 models with W166 LED lighting. It is a direct-fit exterior lighting replacement for vehicles using OEM reference 2049065401 and cross-reference MB2562103.

Key Features

  • Depo replacement daytime running light for the left side
  • Fits 2012-2015 Mercedes-Benz ML350, left
  • Fits 2012-2015 Mercedes-Benz ML550, left
  • W166 LED application with OEM reference 2049065401
  • Part number 340-1603L-AQ for accurate ordering and fitment lookup

Detailed Description

Depo part number 340-1603L-AQ is a left daytime running light for Mercedes-Benz W166 vehicles equipped with LED exterior lighting. It is listed for 2012-2015 Mercedes-Benz ML350 and 2012-2015 Mercedes-Benz ML550, making it a focused replacement for drivers searching for a left daytime running light for Mercedes-Benz ML350 W166 LED or a left daytime running light for Mercedes-Benz ML550 with OEM 2049065401. Use this part when replacing a damaged, faded, or non-functioning daytime running light assembly on the left side.

Common Reasons for Replacement

  • Left daytime running light is not illuminating
  • Lens or housing damage on the exterior lighting assembly
  • Water intrusion or internal corrosion affecting light output
  • Warning lights or lighting faults related to the DRL circuit

Installation Notes and Tips

Verify the vehicle uses the W166 LED configuration before ordering. Confirm left-side placement and match the OEM reference 2049065401 or MB2562103 against the original unit for proper fitment. Professional installation is recommended for exterior lighting components to ensure correct alignment and electrical connection.

Quality Assurance

Depo manufactures replacement lighting components for OE-style fitment and application-specific use. Part number 340-1603L-AQ is cataloged for the listed Mercedes-Benz ML350 and ML550 applications.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2015Mercedes-BenzML350LeftW166; LED; MB2562103; W166; LED; OEM: 2049065401; OEM: 2049065401
2015Mercedes-BenzML550LeftW166; LED; MB2562103; W166; LED; OEM: 2049065401; OEM: 2049065401
2014Mercedes-BenzML350LeftW166; LED; MB2562103; W166; LED; OEM: 2049065401; OEM: 2049065401
2014Mercedes-BenzML550LeftW166; LED; MB2562103; W166; LED; OEM: 2049065401; OEM: 2049065401
2013Mercedes-BenzML350LeftW166; LED; MB2562103; W166; LED; OEM: 2049065401; OEM: 2049065401
2013Mercedes-BenzML550LeftW166; LED; MB2562103; W166; LED; OEM: 2049065401; OEM: 2049065401
2012Mercedes-BenzML350LeftW166; LED; MB2562103; W166; LED; OEM: 2049065401; OEM: 2049065401
2012Mercedes-BenzML550LeftW166; LED; MB2562103; W166; LED; OEM: 2049065401; OEM: 2049065401