Engine
Stage 1
+136HP +145TQ
Through rigorous testing, on both the street and dyno, the Weistec M177 ECU Upgrade reliably extracts massive gains...
$1,999.00
+ 149 HORSE POWER + 181 TORQUE
The hand built M178 V8 Biturbo engine from AMG is a powerful motor from the factory proving it is very capable on and off the ...
$2,499.00
+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
+110HP +167TQ
The Weistec M276 ECU upgrade for the 2015+ Twin Turbo or "BiTurbo" 3.0 Liter V6 engines provides substatial gai...
$1,299.00
+ 64 HORSEPOWER, + 172 TORQUE
Weistec's Calibration Department has spent months perfecting the ECU Calibration for the M133 in order to offer...
$999.00
Stage 1
+166HP, +246TQ
As an industry leader in tuning and calibration, Weistec Engineering is proud to introduce the much anticipated ECU tune for the bi...
$1,899.00
Stage 2
+ 80 HORSEPOWER, + 183 TORQUE
[ POWER FIGURES REFLECT ECU TUNE PLUS DOWNPIPE | MIDPIPE ]
Weistec's Calibration Department has spent months perf...
$1,199.00
+198HP +163TQ
Through rigorous testing, on both the street and dyno, the Weistec M177 ECU Upgrade reliably extracts massive gains...
$2,199.00
+ 192 HORSE POWER + 287 TORQUE
The hand built M178 V8 Biturbo engine from AMG is a powerful motor from the factory proving it is very capable on and off the ...
$2,699.00
+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
+127HP +186TQ
[ POWER FIGURES REFLECT ECU TUNE PLUS DOWNPIPE ]
The Weistec M276 ECU upgrade for the 2015+ Twin Turbo or "BiTurbo" 3....
$1,499.00
+159 HORSEPOWER +322 FT-LBS TORQUE!
As an industry leader in tuning and calibration, Weistec Engineering is proud to introduce the much anticipated ECU...
$1,499.00
Stage 2
+211HP, +321TQ
As an industry leader in tuning and calibration, Weistec Engineering is proud to introduce the much anticipated ECU tune for the bi...
$2,099.00