Vacuum Pump Leaking on Your Mercedes AMG M177? Rebuild It for $43.
The vacuum pump on Mercedes-Benz M177 4.0L V8 Biturbo engines (AMG C63, E63, S63, G63, GLC63, GLE63, GT63) develops oil leaks as the internal Viton seals degrade. This rebuild kit (OEM A1772300065) includes all FKM/Viton seals for a full vacuum pump restore without replacing the entire assembly.
✓ What You Get: Full Viton/FKM vacuum pump seal kit for Mercedes M177 4.0L V8 (AMG C63/E63/S63/G63/GLC63/GLE63/GT63) — also fits Aston Martin DB11, Vantage, DBX, DB12 with M177.
What's Included
- All vacuum pump seals and O-rings (FKM/Viton — OEM A1772300065)
- Cross-refs: A1772300065, 1772300065, A1770161900, A1771800101
Why Rebuild?
- Stops Oil Leaks: Worn Viton seals allow oil to leak from the pump housing into the engine bay.
- Restores Brake Vacuum: A leaking M177 vacuum pump reduces brake booster assist on high-mileage engines.
- Saves $300+ vs New Pump: New M177 vacuum pump assembly $350+; this rebuild kit costs $43.
- 45-Minute Job: Remove pump, disassemble, swap Viton seals, reassemble.
Vehicle Compatibility
| Make | Models | Engine |
|---|---|---|
| Mercedes-Benz / AMG | C63 AMG, E63 AMG, S63 AMG, G63 AMG, GLC63, GLE63, GT63 | M177 4.0L V8 Biturbo |
| Aston Martin | DB11 V8, Vantage, DBX, DB12 | M177 4.0L V8 (AMG-sourced) |
About This Kit
Mercedes M177 vacuum pump seal kit (OEM A1772300065, also 1772300065, A1770161900, A1770161900, A1771800101) uses FKM/Viton seals rated for the high-temperature environment of the M177 twin-turbo V8. Vacuum pump oil leaks on M177 engines are a known issue at higher mileage — this is the correct rebuild approach before replacing the entire pump assembly.
⚠ Verify Before Ordering: Confirm OEM A1772300065 or cross-reference matches your M177 vacuum pump before purchasing.
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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
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