Engine
Stage 1
+134HP +125TQ
All 2020 models require bench flashing at this time.
ECU Tuning Process: How do I get my ECU tuned?
The M176 engine is a...
$2,499.00
+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
+43 HORSEPOWER, +90 TORQUE
The Weistec M256 ECU upgrade for the inline 6-cylinder 3.0 Liter engines provides substantial gains across the entire powerband. &...
$1,899.00
+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 2
+167HP +220TQ
All 2020 models require bench flashing at this time.
ECU Tuning Process: How do I get my ECU tuned?
The M176 engine is a...
$2,599.00
+198HP +163TQ
Through rigorous testing, on both the street and dyno, the Weistec M177 ECU Upgrade reliably extracts massive gains...
$2,199.00
WEISTEC HORSEPOWER
785
WEISTEC TORQUE
852
ENGINE FAMILY
...
$2,699.00
+ 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
+58 HORSEPOWER, +105 TORQUE
The Weistec M256 ECU upgrade for the inline 6-cylinder 3.0 Liter engines provides substantial gains across the entire powerband. ...
$2,099.00