Fit for： For Mercedes-Benz GL-Class X164 X166: for Mercedes Benz GL320 Rear 2007 – 2009  for Mercedes Benz GL350 Rear 2010 – 2012  for Mercedes Benz GL450 Rear 2007 – 2012    for Mercedes Benz GL550 Rear 2008 – 2012  For Mercedes-Benz M-Class W164 W166: for Mercedes Benz ML320 Rear 2007 – 2009  for Mercedes Benz ML350 Rear 2006 – 2011  for Mercedes Benz ML450 Rear 2010 – 2011  for Mercedes Benz ML500 Rear 2006 – 2007  for Mercedes Benz ML550 Rear 2008 – 2011  for Mercedes Benz ML63 AMG Rear 2007 – 2011 Reference OE/OEM Number： A 164 320 02 25; 1643200225 A 166 320 03 25; 1663200325 A 164 320 04 25; 1643200425 A 164 320 06 25; 1643200625 A 164 320 07 25; 1643200725 A 164 320 08 25; 1643200825 A 164 320 09 25; 1643200925 A 164 320 10 25 ; 1643201025 A 166 320 03 25 ; 1663200325 A 166 320 06 25 ; 1663200625 Fitment Type: Direct Replacement Quantity: 2 pieces (for rear left or right side) Placement on Vehicle: Rear left/ rights Stroke: 140mm±25mm Greasable or Sealed: Sealed Length, width and height （cm/inch）: 35*33.5*7(13.8*13.2*2.8) Weight: 3.89 kg Operating Pressure: ≤2.0Mpa Temperature range:  ≥-40℃ / ≤ 70℃ Features: 1. 100% Air Tightiness testing 2. 24 hours air tightness test ≤0.02MPa 3. Anti-corrosion and provide a more consistent wear surface 4. Built to strict quality control standards 5. CNC Machined Components 6. Designed for Comfort Suspension 7. Direct replacement for OEM strut without modification 8. Easy to install 9. Eliminating abnormal sound 10. Gives the driver more control of ride 11. Good heat dissipation 12. It has a high compressive strength and good sound insulation to ensure our driving comfort and safety 13. Restore the original ride height and improve ride quality 14. Test more than 5,000,000 times 15. Sturdy & Durable Material Condition: 100% brand new Warranty: 1-year warranty for any manufactured defect Accessories: You will get exactly as shown in the picture above Our brand is maXpeedingrods, all products made in our own factory with more than 10 years experience