Vacuum Pump Check Valve – Mercedes-Benz M270 | W204 / W205 / W212 / W213 / W246 / X204 / X156 / X253 | OEM A2701800901
A failed vacuum pump check valve on Mercedes-Benz M270 engines causes brake booster vacuum loss — increasing brake pedal effort. This direct replacement check valve restores correct one-way vacuum flow and full brake assist performance. Mercedes-Benz C-Class W204/W205, E-Class W212/W213, GLA X156, GLC X253, CLA C117, GLK X204, B-Class W246 — with M270 1.6T or 2.0T petrol engine
Fits OEM #2701800901.
When to Inspect This Part
- reduced vacuum-system performance
- loss of vacuum assistance
- oil leakage at the pump
- related system operates intermittently
What's Included
- 1 × Vacuum Pump Check Valve
OEM Part Numbers and Vehicle Fitment
Additional confirmed fitment
- Mercedes-Benz Mercedes Benz C-class (w204, s204, c204)
- Mercedes-Benz Mercedes Benz CLS-class (c218, x218)
- Mercedes-Benz Mercedes Benz E-class (w212, v212)
- Mercedes-Benz Mercedes Benz E-class (c207, a207)
- Mercedes-Benz Mercedes Benz B-class (w246, w242)
- Mercedes-Benz Mercedes Benz GLK-class (x204)
- Mercedes-Benz Mercedes Benz E-class (s212)
- Mercedes-Benz Mercedes Benz GLA-class (x156)
- Mercedes-Benz Mercedes Benz A-class (w176)
- Mercedes-Benz Mercedes Benz CLA-class (c117, x117)
- Mercedes-Benz Mercedes Benz C-class (w205, v205, s205, c205)
- Mercedes-Benz Mercedes Benz GLC Coupe (c253)
- Mercedes-Benz Mercedes Benz GLC-class (x253)
- Mercedes-Benz Mercedes Benz E-class (w213, v213)
- Mercedes-Benz Mercedes Benz E-class (s213, x213)
- Mercedes-Benz Mercedes Benz E-class coupe (c238)
Part Number / PN
2701800901, A2701800901, A2701801001, 2701801001
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 2701800901 is the primary fitment check.
FAQ
How do I confirm fitment for this Vacuum Pump Check Valve?
Compare the exact OEM/P/N and physical design with the installed part. The primary reference is 2701800901. Do not select the part by vehicle model alone.
What symptoms may indicate a problem with this Vacuum Pump Check Valve?
Confirmed symptoms include reduced vacuum-system performance, loss of vacuum assistance, oil leakage at the pump, related system operates intermittently. Diagnose the original assembly before ordering so another fault is not mistaken for this part.
What is included with this Vacuum Pump Check Valve?
The confirmed kit contents are: 1 × Vacuum Pump Check Valve.
Does this listing include the complete surrounding assembly?
No. It includes only the item or repair components identified for this SKU. Inspect related parts separately and replace them only when diagnosis confirms a fault.
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.
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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