Oil Separator Repair Kit – Mercedes M276 3.5L | C / E / S / GL / ML / CLS / SLK | OEM A2760100331
A failed oil separator on Mercedes-Benz M276 3.5L petrol engines causes oil consumption and PCV fault codes. This repair kit restores correct oil separator function — compatible with assembly A2760100331. Mercedes-Benz C-Class W204/W205 (3.5L), E-Class W212/W213 (3.5L), S-Class W221/W222 (3.5L), GL-Class X164/X166 (3.5L), ML-Class W164/W166 (3.5L), CLS W218 (3.5L), SLK R172 (3.5L), GLE W166 (3.5L) — M276 engine
Fits OEM #2760100331.
When to Inspect This Part
- whistling or excessive crankcase vacuum
- rough or unstable idle
- increased oil consumption
- oil residue in the intake
- smoke after warm-up
- mixture faults or an intake air leak
What's Included
- Repair components supplied for this SKU and shown in the product photos; no complete surrounding assembly is included
Important Limitations
This repair is suitable only when the valve cover or oil-separator housing and the connected breather hoses are serviceable. Cracks or blocked hoses require separate correction.
OEM Part Numbers and Vehicle Fitment
Additional confirmed fitment
- Mercedes-Benz Mercedes Benz ML-class / GLE (w166)
- Mercedes-Benz Mercedes Benz SLK/SLC (r172)
- Mercedes-Benz Mercedes Benz C-class (w204, s204, c204)
- Mercedes-Benz Mercedes Benz GLK-class (x204)
- Mercedes-Benz Mercedes Benz E-class (w212, v212)
- Mercedes-Benz Mercedes Benz E-class (s212)
- Mercedes-Benz Mercedes Benz CLS-class (c218, x218)
- Mercedes-Benz Mercedes Benz S-class (w221, v221)
- Mercedes-Benz Mercedes Benz SL-Class (r231)
- Mercedes-Benz Mercedes Benz R-class (w251, v251)
- Mercedes-Benz Mercedes Benz GL-class / GLS (x166)
- Mercedes-Benz Mercedes Benz E-class (c207, a207)
- Mercedes-Benz Mercedes Benz S-class (w222, v222, x222)
Part Number / PN
2760100331, A2760100331, 108123
Important Fitment Check
Before ordering, compare the part design, dimensions, connectors, and every available OEM/P/N marking with the part installed on the vehicle. Matching OEM/P/N 2760100331 is the primary fitment check.
FAQ
How do I confirm fitment for this Oil Separator Repair Kit?
Compare the exact OEM/P/N and physical design with the installed part. The primary reference is 2760100331. Do not select the part by vehicle model alone.
What symptoms may indicate a problem with this Oil Separator Repair Kit?
Confirmed symptoms include whistling or excessive crankcase vacuum, rough or unstable idle, increased oil consumption, oil residue in the intake. Diagnose the original assembly before ordering so another fault is not mistaken for this part.
What is included with this Oil Separator Repair Kit?
The confirmed kit contents are: Repair components supplied for this SKU and shown in the product photos; no complete surrounding assembly is included.
Does this listing include the complete surrounding assembly?
This repair is suitable only when the valve cover or oil-separator housing and the connected breather hoses are serviceable. Cracks or blocked hoses require separate correction.
What should be checked before installation?
Check the OEM/P/N, dimensions, connectors, orientation, and condition of the mating components. Installation should follow the correct service procedure for the specific vehicle and assembly.
Read All
Orders ship within 1–2 business days.
Standard delivery:
- USA: Some items ship from our US warehouse and arrive within 3 business days.
- USA-EU: 10–21 business days
- Worldwide: 14–30 business days
Shipping cost is shown at checkout.
Can I exchange or return an item?
Yes, you can exchange or return an item within 14 days of purchase. This right is guaranteed to you by the Law on the Protection of Consumer Rights
To use this feature, please make sure that:
- the product was not in use and has no traces of use: scratches, chips, abrasions, etc.
- the goods are fully completed and the integrity of the packaging is not violated
- retained all labels and factory markings