Weistec ECU Upgrade for Mercedes SLS Black Series (W197 / M159) MY 14-on

$2,100

M159 SLS Black Series ECU Upgrade

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+ 79 WHEEL HORSEPOWER
+ 58 WHEEL TORQUE

 

When it comes to upgrading the 6.2L M159 engine that powers the SLS Black Series, no one does it better than Weistec Engineering. Our SLS Black Series ECU upgrade provides peak gains of nearly 30hp at the wheels as well as improving the engine’s long power band on an otherwise stock car.

When our SLS Black Series ECU upgrade is paired with long tube headers, peak gains are nearly 80hp at the wheels with substantial gains throughout the entire power band and improved throttle response!

Have a problem with your current tune you purchased from someone else? Send in your ECU for a free diagnosis. 

KEY FEATURES:
540 Horsepower
615 Ft-Lbs Torque
Eliminate Top Speed Limiter
Increased Throttle Response
Optimized Boost, Fuel and Spark

 

NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES

*Unless otherwise stated, some Weistec Engineering performance upgrades are sold for race car use only.

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