We use DHL expedited shipping service, the actual estimated delivery time is around 4-7 business days. Reference OEM Number: A1643200731, A1643202031, A1643202731, A1643203031 1643202031,1643202731,164 320 07 31, A 164 320 07 31 164 320 20 31,164 320 27 31,1643203031,164 320 30 31 1643200731,A1643203131,A1643202931 Fitment: for Mercedes-Benz GL-Class X164 2006-2012 (With Adaptive Damping System [ADS] ) for Mercedes-Benz ML-Class W164 2005-2011 (With Adaptive Damping System [ADS] ) Specifics： 1. Equipment Vart.：ADS 2. Fitting Position：Rear Left or Right 3. Shock Absorber Type：Single Pipe 4. Shock Absorber System：with ADS (Adaptive Damping System) 5. Shock Absorber Mounting Type：Bottom Fork 6. Warranty: 2 Years.
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