OPTIMAL BT-2520 Fren Sistemleri Fren Kampanası, MERCEDES-BENZ G-SERISI (W460), MERCEDES-BENZ G-SERISI (W463), MERCEDES-BENZ T1 Platform şasi (B602), MERCEDES-BENZ T1 Panelvan/Van (B602), MERCEDES-BENZ T1 Minibüs/Otobüs (602), MERCEDES-BENZ G-SERISI (W461), MERCEDES-BENZ G-SERISI Cabrio (W463), MERCEDES-BENZ T2/LN1 Panelvan/Van, MERCEDES-BENZ T2/LN1 Platform şasi, PUCH G-MODELL (W461), PUCH G-MODELL (W463), PUCH G-MODELL (W460) modelleri ile uyumludur.