Mercedes-Benz ML/GLE W166 Right-Side LED Outer Rear Tail Light – OE 1669063201

Description

Check part compatibility by using our vehicle filter options below. If you find your car, this part is compatible.

At D2P AutoParts, we offer a durable and precise right-hand outer LED tail light assembly for the Mercedes-Benz M-Class (W166) — part number 1669063201 / A1669063201. This high-quality aftermarket replacement delivers bright, modern LED lighting, restoring full rear visibility and aesthetic integrity to vehicles affected by damage or wear. Engineered to meet OEM specifications, it’s ideal for safely replacing cracked or malfunctioning tail lights while keeping your Mercedes both road-legal and stylish.
OEM Number: 1669063201, A1669063201,
Placement on Vehicle : Driver Side, Outer, Rear, Right Lamp
Type : LED, P21W
Section : Outer section
Voltage : 12V
Quantity : 1

Make	Model	Variant	Type	Engine	Chassis	Year
Mercedes-Benz	M-Class	Diesel SUV	ML 250 CDI / BlueTEC 4-matic	2143cc 150KW 204HP OM 651.960	AWD — W166	2011-2015
Mercedes-Benz	M-Class	Diesel SUV	ML 350 BlueTEC 4-matic	2987cc 190KW 258HP OM 642.826;OM 642.864	AWD — W166	2011-2015
Mercedes-Benz	M-Class	Petrol SUV	ML 350 4-matic	3498cc 225KW 306HP M 276.955	AWD — W166	2011-2015
Mercedes-Benz	M-Class	Petrol SUV	ML 400 4-matic	2996cc 245KW 333HP M 276.821	AWD — W166	2013-2015
Mercedes-Benz	M-Class	Petrol SUV	ML 500 4-matic	4663cc 300KW 408HP M 278.928	AWD — W166	2012-2015
Mercedes-Benz	M-Class	Petrol SUV	ML 63 AMG 4-matic	5461cc 386KW 525HP M 157.982	AWD — W166	2011-2015
Mercedes-Benz	M-Class	Petrol SUV	ML 63 AMG 4-matic	5461cc 410KW 558HP M 157.982	AWD — W166	2011-2015
Make	Model	Variant	Type	Engine	Chassis	Year

Our SKU: TM1669063201_313
All our Rear Outer Tail Light Lamp Led Right For Mercedes-benz M-class W166 1669063201 are OEM quality and reliable after market car parts. This Rear Outer Tail Light Lamp Led Right For Mercedes-benz M-class W166 1669063201 is specifically compatible with Mercedes-Benz: M-Class, .
Please use our make-model-year tool to check this part’s compatibility with your vehicle. However, please note that our tool is for reference only and we recommend that you check the part number on your old unit prior to purchasing.
If you are still not sure about the compatibility of this part to your vehicle, please supply us with the VIN number or Reg number in our live chat or contact form! You can also find details on our purchasing & shipping guide here.

❓ FAQs — Rear Outer LED Tail Light (1669063201)

1. Which vehicles is this tail light compatible with?
This tail light fits the Mercedes M-Class (W166), including various ML and GLE models produced between approximately 2011 and 2015.

2. What is the OEM part number for this tail light?
The original part number is 1669063201 (also referenced as A1669063201) for the right outer section.

3. Is this a genuine Mercedes / OEM part or aftermarket?
This unit is a high-quality aftermarket replacement, offering a cost-effective alternative to dealer parts while matching original fit and lighting performance.

4. What are signs that my tail light needs replacing?
Look out for:

• Cracks or damage in the lens

• LED segments not lighting up properly

• Water ingress or fogging inside the tail light housing

• A warning message on the dashboard about tail lamp malfunction

5. Is it difficult to install?
Not particularly:

• Remove the tailgate / trunk trim

• Unscrew the old light assembly

• Disconnect the electrical connector

• Fit the new LED tail light and secure it

• Reconnect and test all functions (tail, brake, indicator, etc.)

6. Do I need to code or program the new tail light?
In most cases, no coding is required. The W166 tail light is purely a lighting component; it is typically plug-and-play.
However, always check for error messages after installation.

7. Will replacing this fix all rear lighting issues?
If the issue is due to a faulty or cracked outer tail light, then yes — replacing this will resolve it. But if problems are caused by wiring or the rear control module (SAM), additional diagnosis may be needed.

8. Does this tail light come with a warranty?
Yes — when purchased via D2P AutoParts, this tail light is backed by a 12-month parts warranty.

9. Is it safe to drive with a cracked or non-functioning tail light?
It’s not recommended: a damaged tail light can reduce visibility, increase the risk of moisture ingress, and might lead to a driving fault / MOT failure.

10. Why choose D2P AutoParts for this replacement?

• OEM-spec quality at a more affordable price than dealer-only parts

• Reliable build and modern LED design

• Trusted UK-based supplier with good service and warranty coverage

• Wide stock availability for Mercedes W166 tail lights

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