Get Free Petrol Injector cleaner with shopping above £75 GBP click Here
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.
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
We do not provide any guarantees on shipping times, as we are reliant on 3rd parties. However, we strive to ensure that our customers are always satisfied.
All products are protected by a upto 10 year worry-free warranty depending on Part
Warranty Coverage: Eligibility: To be eligible for 10-year warranty coverage, the car part must be fitted by a certified professional mechanic. Proof of fitment, including the mechanic's certification, must be submitted to Amesplan LTD within 30 days of the part's purchase date. Please send supporting documentation to us via email.In case a purchased product becomes faulty during its warranty period, for reasons unrelated to your acts, omissions or misuse of the goods, you must promptly notify us and fill out a warranty claim form.
Warranty Non-Coverage: We do not have any liability for any defect arising from normal wear & tear, wilful damage, negligence, tampering of the goods, incorrect fitting of the goods by you and/or a third party. We are also not liable for any abnormal working conditions, alteration or repair of the goods or a failure to follow goods manufacturers' instructions (whether oral or in writing)
We have a 180-day return policy, which means you have 180 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unused, and in its original packaging. You will also need the receipt or proof of purchase.
For All Return buyers pay Return Postage.Returns will only be processed after we receive the approved part and a member of our team fully inspects the returned item & successfully matches the returned part to the return reason.
For All UK orders, we offer free return. We do not offer any reimbursement of shipping costs for Any orders on original sale like Next Day Postage.
For All Outside UK order We do not offer any reimbursement of shipping costs for Any orders on either the original sale or the return.
Please direct all questions to sales@d2pautoparts.com.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund.
