Mercedes Benz W206 M254 C300 4Matic / Stone Valvetronic Catback Exhaust Sound

Upgraded:
🔥 Remote Controlled Valvetronic Catback Exhaust Sound
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0:00 Stone Catback
0:13 C300
0:33 Valve Closed
0:41 Valve Open
0:55 Acceleration Sound
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