Mercedes OM651 EGR Cooler Valve 6511400875 (C, E, GLC Class)

Upgrade your Mercedes with this high-quality EGR valve cooler / EGR cooler compatible with A-Class, B-Class, C-Class, CLA, CLS, E-Class, GLA, GLC, GLE models. Designed to OEM standards, it reduces exhaust gas temperature, improves engine performance, and helps control NOx emissions, it's ideal for replacing a faulty or leaking EGR cooler to restore smooth running and emission compliance.

OEM Number: 6511400875, A6511400075, A6511400275, A6511400775, A6511400502, 6511400102, 651140010264, 6511400302

Operating Mode : Electric

Quantity : 1

Our SKU: TMA6511400675_94

All our EGR Valve Cooler are OEM quality and reliable after market car parts. This EGR Valve Cooler is specifically compatible with Mercedes-Benz: A-Class, B-Class, C-Class, CLA, CLS, E-Class, GLA-Class, GLC, GLE, GLK-Class, S-Class, SLK, Sprinter 3-T, Sprinter 3.5-T, V-Class, Vito, Vito / Mixto, .

Please use our make-model-year tool to check this part's compatibility with your vehicle. However, please note that our tool is for reference only and we recommend that you check the part number on your old unit prior to purchasing.

If you are still not sure about the compatibility of this part to your vehicle, please supply us with the VIN number or Reg number in our live chat or contact form! You can also find details on our purchasing & shipping guide here.

FAQs 

1. Q: Which Mercedes models is this EGR valve cooler compatible with?
   A: This cooler fits a wide range of Mercedes models including A-Class, B-Class, C-Class, CLA, CLS, E-Class, GLA, GLC, and GLE, when matched with appropriate engine codes. Always verify part number and engine compatibility before purchasing.

2. Q: What is the function of an EGR valve cooler / EGR cooler?
   A: The EGR cooler reduces the temperature of recirculated exhaust gases, lowering NOx emissions by reducing peak combustion temperatures.

3. Q: What are signs of a failing EGR valve cooler?
   A: Symptoms include coolant leaks, white smoke from exhaust, rough idling, increased NOx emissions, or the engine warning light turning on.

4. Q: Is this OEM or aftermarket quality?
   A: This part is built to OEM standards to match original cooling and emission control performance.

5. Q: How do you install / replace the EGR valve cooler?
   A: General steps:

   • Safely depressurize and drain coolant

   • Remove connecting hoses, EGR valve, and mounting bolts

   • Remove old cooler, clean mating surfaces

   • Align & install new cooler with proper gaskets/seals

   • Reconnect hoses, refill coolant, bleed system, test for leaks

6. Q: What warranty or return policy applies?
   A: Check Return Policy (e.g. 30-60 day return if unused, warranty against defects). Always maintain proof of purchase.

7. Q: Can I use this EGR cooler on multiple engine types (petrol/diesel)?
   A: Most EGR coolers are designed for diesel engines due to emission control needs. Always ensure the engine type matches before installation.

8. Q: How does an EGR cooler help meet emission regulations?
   A: By cooling the recirculated exhaust gas, the EGR cooler helps the engine reduce NOx production and comply with Euro / UK emission standards.