BlackBoost Wide Open Thermostat
for Mercedes-AMG M156 & M159
Performance-oriented thermal management for vehicles that need to function reproducibly under load.
Note: Unless explicitly stated otherwise, this is a racing product – not permitted under the German Road Traffic Regulations (StVZO) / not for public road use.
Description
The BlackBoost Wide Open Thermostat for M156 and M159 engines is a performance-oriented solution for optimizing thermal management. Its aim is to achieve more stable temperatures (coolant/oil – depending on vehicle configuration) under high load, such as during sporty driving, track days, or with performance-enhanced setups. Designed for high flow rates, the thermostat promotes more even heat dissipation and can reduce heat spikes in demanding operating conditions.
Performance features
- Performance-oriented thermostat for M156 & M159
- Supports more stable operating temperatures under high load
- Optimized for sporty use and high-performance vehicles
- Focus on flow rate and reproducible temperature behavior
- A useful addition to upgrades such as downpipes, supercharger/charger setups, mapping (depending on the vehicle)
Scope of delivery
- BlackBoost Wide Open Thermostat (vehicle-specific version)
- Note: Seals/additional mounting material depending on kit/variant
Technical details
- Application: Mercedes-AMG engines M156 & M159
- Function: Optimization of thermal management (flow rate / temperature stability)
- Recommendation: Professional installation, system bleeding and coolant level check
- Note: Results depend on vehicle, peripherals, and setup.
FAQ
Does the thermostat improve temperature stability?
It is designed to support more stable temperature behavior under high load. The effect depends on the vehicle's condition, cooling system, and setup.
Do I need a software update?
Generally not. Some software versions require adjustments.
Which engines is it suitable for?
For Mercedes-AMG M156 and M159 . Please check the part number to ensure compatibility.
© Kraftfahrzeug Technik Hannover (KTH)
