PCV Oil Separator Membrane – Mercedes M276 3.5L V6 | W166 W212 W221 W204 | OEM A2760100331
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$15.99
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Delivery within the USA
Ships from Miami, FL when the ordered quantity is available in our US warehouse.
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US delivery: typically 2–5 business days after dispatch
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A2760100331 PCV Oil Separator Membrane 52mm for Mercedes M276 V6
This replacement PCV oil separator membrane is designed for Mercedes-Benz M276 V6 applications using OEM reference A2760100331 (2760100331). The product is a standalone replacement diaphragm for the oil separator / crankcase ventilation system.
This product is an individual 52mm PCV oil separator membrane. It is not a complete oil separator housing or PCV assembly.
OEM / Reference Numbers
- A2760100331 — primary compatible OEM reference
- 2760100331 — same reference without the Mercedes “A” prefix
Part Type
- PCV oil separator membrane
- Crankcase ventilation diaphragm
- Standalone replacement membrane
- Diameter: 52mm
- Not a complete oil separator assembly
What This Part Does
The membrane is part of the engine crankcase ventilation and oil separator system. It helps maintain proper crankcase ventilation and engine vacuum. A torn or damaged membrane can allow vacuum and crankcase ventilation problems to develop.
Compatible Vehicles
- Mercedes-Benz ML / GLE-Class W166 — 2012–2019 — ML350, GLE350, GLE400
- Mercedes-Benz E-Class W212 / S212 / C207 — 2012–2016 — E350, E400
- Mercedes-Benz S-Class W221 / W222 — 2012–2017 — S350, S400, S550e
- Mercedes-Benz C-Class W204 — 2012–2014 — C300, C350
- Mercedes-Benz GLK-Class X204 — 2013–2015 — GLK350
- Mercedes-Benz CLS-Class C218 — 2012–2018 — CLS400
- Mercedes-Benz GL / GLS-Class X166 — 2013–2019 — GL450, GLS450
- Mercedes-Benz SL / SLK / SLC — R231 / R172 — 2012 onward
Engine / Technical Details
- Engine family: Mercedes M276 V6
- Product title engine context: 3.5L V6
- Membrane diameter: 52mm
- Material: high-grade heat-resistant elastomer
- Compatible reference: A2760100331 / 2760100331
- Package includes: 1 x 52mm oil separator membrane
Common Symptoms of PCV Membrane Failure
- High-pitched whistling or hissing noise from the rear of the engine
- Rough idle or shaking when stopped
- Increased oil consumption
- Smoke from the exhaust associated with increased oil burning
- Check Engine light
- P0507 fault code
- P0171 or other lean / vacuum-related fault codes
Why Choose This Replacement Membrane
- Allows replacement of the individual failed PCV membrane without replacing the complete oil separator assembly
- 52mm diameter specified for the compatible application
- Made from heat-resistant elastomer for the M276 engine environment
- Designed for applications using reference A2760100331
Important Before Ordering
- Verify that your existing oil separator / PCV component corresponds to reference A2760100331 or 2760100331.
- Confirm that the required replacement membrane diameter is 52mm.
- Check your Mercedes chassis and application against the fitment list above.
- The vehicle guide on the product page covers multiple Mercedes variants, so do not confirm compatibility by model name alone.
- This product is one standalone PCV membrane and not a complete oil separator assembly.
What does OEM reference A2760100331 fit?
The product listing specifies this 52mm PCV oil separator membrane for Mercedes M276 V6 applications using reference A2760100331, including listed W166, W212, W221, W204, X204, C218, X166, R231 and R172 chassis applications.
Are A2760100331 and 2760100331 the same reference?
Yes. The product page lists A2760100331 and 2760100331 together, with the latter being the same number shown without the Mercedes “A” prefix.
What size is the Mercedes M276 PCV membrane?
The replacement oil separator membrane has a confirmed diameter of 52mm.
What symptoms can indicate a failed M276 PCV membrane?
Listed symptoms include whistling or hissing, rough idle, increased oil consumption, exhaust smoke and lean or vacuum-related fault codes such as P0507 and P0171.
Is this a complete Mercedes oil separator assembly?
No. The package contains one standalone 52mm replacement membrane. It is not a complete oil separator housing or PCV assembly.
How do I confirm compatibility before ordering?
Verify reference A2760100331 or 2760100331 on the compatible PCV / oil separator application, confirm the required 52mm membrane size, and check the vehicle chassis against the fitment list.
Read All
Delivery within the USA
Ships from Miami, FL when the ordered quantity is available in our US warehouse.
USPS Ground Advantage / FedEx
US delivery: typically 2–5 business days after dispatch
Ships from Ukraine
Orders outside the USA ship from Ukraine, even when the product is in stock in Miami.
Delivery to USA & Europe
Usually 10–14 calendar days after dispatch
Delivery to other countries
Usually 10–28 calendar days after dispatch
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Delivery estimates exclude processing. Holidays, customs clearance and carrier delays may extend transit times. Shipping costs are shown at checkout.
Returns and exchanges
Request a change-of-mind return within 14 calendar days of delivery, then send the goods within 14 calendar days of notifying us. Our voluntary return option applies to unused, uninstalled, complete goods in their original condition and packaging. Exchanges are subject to availability and agreement.
The customer pays change-of-mind return shipping. No restocking fee applies. Refunds and original delivery charges are handled under our Refund & Return Policy and applicable law.
Faulty, damaged or incorrect goods
Email contact-us@klifex.net with your order details and a description of the problem. These claims are separate from change-of-mind returns. Where we are responsible, we bear the required remedy and return costs. Installation alone does not remove mandatory defect rights.
Your legal rights
Applicable statutory rights take precedence, including EU/EEA and UK withdrawal rights and legal guarantees. Necessary inspection does not remove a statutory withdrawal right; deductions for excessive handling must reflect an actual, evidenced loss of value.
Contact us for the correct return address before shipping. Our legal address is not a return address.