Mercedes Benz W177 W176 A Class 5 Door Crossfire Soundproof 2.3mm Thickness Car Soundproofing | SoundproofingCrossfire Soundproof 2. 3mm Thickness Car Soundproofing Soundproofing For Car Model : Mercedes Benz W177 W176 A Class Crossfire Car Soundproofing Thickness Soundproof 2. 3mm Size 45x80 cm Crossfire sponge 45x80 cm *The door has two layers of sound insulation and one layer of sponge* Good quality Does not melt at high temperatures Good sound insulation No odor Reduce noise Enhanced sound system JBI PLUS AUTO SDN BHD Raj 0122834356 Jeff 0167964356 26G,