Engine
Software
+7HP +22TQ
The Weistec M274 ECU upgrade for the 2015+ C300 provides gains across the entire powerband resulting a vehicle that is more fun to drive in all dr...
$599.00
+15HP +45TQ
RACE DOWNPIPE REQUIRED
The Weistec M274 ECU upgrade for the 2015+ C300 provides gains across the entire powerband resulting a vehicle that is ...
$699.00
Turbocharger
The Weistec M274 VTA (Vent to Atmosphere) Adapter is designed and manufactured as a complete and simple bolt on solution for attaining the "blow-off" ...
$159.00