Drop In Replacement Direct Fit Secondary Air Injection Smog Pump For Mercedes-Benz Vehicles Including E Class And C Class Models Such As E280 E300 E350 E550 C230 C250 C280 C300 C350 GLK350 ML350 ML550 ML450 GL450 GL550 S400 S450 S550 CLS550

Direct-Fit Mercedes Secondary Air Pump, Single Pack
✔️ Direct-fit replacement for MB models; 1 connector, 3 hose ports

This drop-in replacement secondary air injection smog pump is designed for a wide range of Mercedes-Benz vehicles, including C, E, CLS, GL, ML, S, and SL classes. It replaces aging or failed pumps to maintain exhaust aftertreatment performance and help reduce emissions during cold starts.

✅ Compatible with many Mercedes-Benz models including C230, E350, S550 and ML550
✅ 1 electrical connector, 2 terminals, and 3 hose ports for easy routing
✅ Durable plastic housing designed for high-temp environments and corrosion resistance
✅ Package includes 1 smog pump and mounting hardware for quick install

💡 What is a secondary air injection pump used for in Mercedes-Benz engines? It helps reduce emissions by boosting air supply during cold starts to help the catalytic converter reach operating temperature faster.

- handy for maintaining SAI system performance in older MB models - improves exhaust emissions during cold engine starts - easy to install as a direct-fit replacement for the models listed above