Features: Engineered with rapid circuit interruption, this Battery Disconnect Safety Switches prevents electrical overloads and battery drain. Crafted from ABS and metal, the switches (N000000006967, A0035421819) features thermal overload protection and 100,000 cycle durability for reliable power cutoff in emergencies. Ideal for owners seeking enhances electrical system protection during routine maintenance or aftermarket accessory installations like premium audios systems. Safeguards vehicles during collisions or electrical faults by instantly isolating battery circuits, particularly critical for high mileage drivers and accident scenario in urban/rural environments. The insulated design surpasses standard battery disconnect switches, offering performances across temperature extremes without requiring special tool for installation. Specifications: Material: Plastic Applicable Model: for W205 W168 W169 S205 C205 Part Number: N000000006967 A0035421819 N000000004510 PSS1 1004635-00-A Package Includes: 1pc Crash Battery Disconnect Fuses note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.