Bilstein B4 - Gas FRONT SHOCK MERCEDES-BENZ M CLASS M-CLASS (W164) ML 280 CDI 4-matic, ML 300 CDI 4-matic,ML 320 CDI 4-matic, ML 350 4-matic,ML 350 BlueTEC 4-matic, ML 350 CDI 4-matic,ML 420 CDI 4-matic, ML 450 CDI 4-matic,ML 500 4-matic, ML 63 A