Replacing the sensor can improve fuel efficiency, assist the catalytic converter to better harmful gases in the vehicle exhaust system, reduce emissions,Please clean out the air box and replace the air filter before installating this Mass Air Flow Sensor. Interchange Part Number:1130940048 A1130940048 Material:plastic colour:Black For C43 AFor MG 4.3L 4266CC V8 GAS SOHC Naturally Aspirated 1998-2000 For C55 AFor MG 5.5L 5439CC 335Cu. In. V8 GAS SOHC Naturally 2005-2006 For CL500 5.0L 4966CC V8 GAS SOHC Naturally Aspirated 2000-2006 For CL55 AFor MG 5.5L 5439CC 335Cu. In. V8 GAS SOHC Supercharged 2001-2004 For CL600 5.8L 5786CC V12 GAS SOHC Naturally Aspirated 2001-2002 For CLK430 4.3L 4266CC V8 GAS SOHC Naturally Aspirated 1999-2003 For CLK500 5.0L 4966CC V8 GAS SOHC Naturally Aspirated 2003-2006 For CLK55 AFor MG 5.5L 5439CC 335Cu. In. V8 GAS SOHC Naturally 2001-2006 For E430 4.3L 4266CC V8 GAS SOHC Naturally Aspirated 1998-2002 For E500 5.0L 4966CC V8 GAS SOHC Naturally Aspirated 2003-2006 For E55 AFor MG 5.5L 5439CC 335Cu. In. V8 GAS SOHC Supercharged 1999-2006 For G500 5.0L 4966CC V8 GAS SOHC Naturally Aspirated 2002-2008 For G55 AFor MG 5.5L 5439CC 335Cu. In. V8 GAS SOHC Naturally Aspirated 2004 For ML430 4.3L 4266CC V8 GAS SOHC Naturally Aspirated 1999-2001 Package Contents: 1 x Air flow sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.