OEM Emission Control Module for 2013-2016 Mercedes-Benz E250, E350, GL350, GLK250
Product Notes Read before buying
This is the AdBlue or exhaust aftertreatment control module for BlueTEC diesel models. It is not the main engine computer (ECU/ECM). Programming may be required for installation.
Condition: Excellent (A) — like new, minimal to no wear
Professionally inspected and tested.
Why Buy Used OEM Parts?
- ✓ Quality-Verified: Every used OEM part we sell has been professionally inspected and tested. While it may show some cosmetic wear, it's fully functional and ready to install.
- ✓ Original Equipment: This is a genuine OEM part — the exact part that came with your vehicle from the factory. Perfect fitment and performance.
- ✓ Works Like New: Despite visual wear, internal components and functionality are intact. Same reliability you'd expect from OEM quality.
- ✓ Significant Savings: Save 50–80% vs. new. Factory quality at a fraction of the cost — the smart choice for budget-conscious owners.
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Vehicle Fitment Guide
This part fits the following vehicles:
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Bluetec | Sedan | 2014 - 2016 | L4 2.1L DIESEL Turbo | RWD | Automatic |
| Bluetec 4Matic | Sedan | 2014 - 2016 | L4 2.1L DIESEL Turbo | AWD | Automatic |
| 2015 |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| 2015 |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Bluetec 4Matic | SUV | 2015 - 2016 | V6 3.0L DIESEL Turbo | AWD | Automatic |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Bluetec 4Matic | SUV | 2013 - 2015 | L4 2.1L DIESEL Turbo | AWD | Automatic |
| 2014 |
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Shipping & Handling
- Standard shipping: 3-7 business days via UPS Ground
- Parts are carefully packaged to prevent damage during transit
Returns (30 Days)
We accept returns within 30 days of delivery for this part.
- Defective parts: We will replace the part or issue a refund at our discretion
- Electronic parts: Must be returned with the sealed inspection bag unopened. The clear bag allows full visual inspection before opening. Once opened, electronic parts can only be exchanged for a replacement if defective — no refunds
- Programming: "Needs to be programmed to my vehicle" is not a valid return reason. Many modules require dealer programming — we're happy to help connect you with resources if your dealer says it's not programmable
- Return shipping: We cover return shipping as part of our 100% money-back guarantee
- Parts must be returned in original packaging and unmodified condition
- Poorly packaged returns that arrive damaged will not be credited
6-Month Warranty
All used parts include a 6-month warranty from the date of purchase.
- If your part fails within 6 months, we will send a replacement
- Refunds are only issued if we cannot provide a suitable replacement
- Warranty covers defects — not installation errors, misuse, or damage after installation
Note: Warranty is for replacement, not refund. A part failing on day 80? We'll replace it. But the return window for refunds is 30 days.
Damaged in Shipping?
If your part arrives damaged:
- Stop immediately — do not install the part
- Keep all original packaging and boxes
- Take clear photos of the damage and packaging
- Contact us within 48 hours of delivery
We will handle the carrier claim. You are not responsible for shipping damage — we just need your help documenting it.
Order Cancellation
Orders can be cancelled before shipment for a full refund. Once shipped, cancellations follow our return policy.
Mercedes GL350, E250, GLK250 AdBlue Module: Solving the 'Engine Will Not Start' Warning
This guide clarifies that the common failure is the AdBlue/SCR control module, not the main engine computer, and explains the critical programming and warranty information you need to know.
Read Full Guide →⚠️ Related Trouble Codes (OBD-II)
2 matching guidesIf your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.
Miscellaneous Information
OEM Part Numbers:
Mercedes-Benz: 6429005101, 6429005901, 6429006301, 6429006401, 6429006501, A6429007201
Other: 6429007201
Fits Years: 2013 2014 2015 2016
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