Features: 1.Replacing part numbers for reference: 6420907737/6420905437/64220903237/6420905037/64220905437. 2.Specially fit for Mercedes Benz W164 ML/W166 ML/X164 GL/X166 GL/W211 E/W212 E/W207 E, etc. 3.Repair kit which has original standard, designed to permanently fix the swirl flap mechanism. 4.Can directly replace the broken or shabby one, avoid malfunctioning of the intake manifold caused by the connection points of the linkage which operate swirl flaps wear out. 5.Made of high quality ABS plastic and metal material for maximum durability, has stable performance. Specification: Item Type: Intake Mainfold Runner Connecting Rod_x000D_ Material: ABS Plastic+Metal_x000D_ Color: Black+Silver_x000D_ Rod Length: Approx. 23cm/9.05in_x000D_ Manufacturer Part Number: 6420907737 / 6420905437 / 64220903237 / 6420905037/ 64220905437_x000D_ Fault Symptoms:_x000D_ 1. Poor idle _x000D_ 2. Power loss _x000D_ 3. Engine management light _x000D_ 4. Fail emission system _x000D_ 5. Delayed acceleration_x000D_ You can easily diagnose the fault yourself by removing the engine cover and inspecting the intake manifold to see the condition of it._x000D_ Fitment:_x000D_ Fit for Mercedes Benz OM642 / OM642M 3.0 3.2 CDI / CRD V6 DIESEL ENGINES_x000D_ Fit for MERCEDES W164 ML_x000D_ Fit for MERCEDES W166 ML_x000D_ Fit for MERCEDES X164 GL_x000D_ Fit for MERCEDES X166 GL_x000D_ Fit for MERCEDES W211 E_x000D_ Fit for MERCEDES W212 E_x000D_ Fit for MERCEDES W207 E_x000D_ Fit for MERCEDES W251 R_x000D_ Fit for MERCEDES 216 CL_x000D_ Fit for MERCEDES W221 S_x000D_ Fit for MERCEDES VITO VIANO W639_x000D_ Fit for MERCEDES SPRINTER 906 W906_x000D_ Fit for MERCEDES W219 CLS Note: Please double check the part number of your item, matching information is just for reference._x000D_ If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks! _x000D_ You can easily diagnose the fault yourself by removing the engine cover and inspecting the intake manifold to see the condition of it.