Serious Holding Power for Mercedes-AMG M177 Engines
CTA Tools introduces the new 7071 Benz M177 V8 Crankshaft Pulley Holder, designed specifically for servicing the crankshaft pulley and harmonic balancer on Mercedes-AMG M177 V8 engines.
As modern AMG powertrains continue to push performance and engineering complexity to new levels, technicians need specialty tools built to handle the demands of these high-output engines. During crankshaft bolt removal and installation, preventing engine rotation is critical for both safe and accurate service. The CTA 7071 securely holds the crankshaft pulley in place, allowing technicians to perform harmonic balancer service with greater control and confidence.
Built for professional shop environments, the 7071 is engineered for durability, precision, and repeat use on modern Mercedes-AMG applications.
Built for Professional AMG Service
The CTA 7071 is designed to simplify crankshaft pulley and harmonic balancer service on M177 V8 engines by securely locking the pulley during removal and installation procedures. This helps technicians properly loosen and torque the crankshaft bolt while minimizing unwanted engine movement.
Features:
- Designed for Mercedes-Benz M177 V8 engines
- Holds crankshaft pulley securely during service
- Prevents engine rotation when loosening or torquing crankshaft bolts
- Ideal for harmonic balancer removal and installation
- Built for professional use on high-performance AMG platforms
- Compare to Mercedes-Benz Factory Tool W177589004002
Vehicle Applications
| Make | Model | Years |
|---|---|---|
| Mercedes-AMG | C 63 / C 63 S | 2015–2021 |
| Mercedes-AMG | E 63 4MATIC+ / E 63 S 4MATIC+ | 2016–2022 |
| Mercedes-AMG | GLC 63 / GLC 63 S | 2018–2022 |
| Mercedes-AMG | S 63 Coupe / S 63 Cabriolet | 2018–2020 |
| Mercedes-AMG | S 63 Sedan | 2018–2020 |
| Mercedes-AMG | G 63 | 2019–Current |
| Mercedes-AMG | GT 63 / GT 63 S 4-Door Coupe | 2019–Current |
| Mercedes-AMG | GLE 63 S SUV | 2021–Current |
| Mercedes-AMG | GLE 63 S Coupe | 2021–Current |
| Mercedes-AMG | GLS 63 SUV | 2021–Current |
| Mercedes-AMG | SL 63 4MATIC+ | 2022–Current |
| Mercedes-AMG | S 63 E Performance | 2024–Current |
| Mercedes-AMG | GT 63 Coupe, C192 generation | 2024–Current |
Expanded Mercedes-Benz Crank Pulley Service Coverage
CTA also offers additional crankshaft pulley holding tools designed for earlier Mercedes-Benz engine platforms, helping technicians service a broader range of vehicles across the Mercedes lineup.
CTA 3998 – Benz Crank Harmonic Balancer Pulley Holder – M271
Designed for Mercedes-Benz M271 4-cylinder engine crank pulley and harmonic balancer service applications.
CTA 7270 – Benz Crank Harmonic Balancer Pulley Holder – M112, M113, M137, M275 & M285
Designed for Mercedes-Benz V6, V8, and V12 engine crank pulley holding applications.
Together, the CTA 3998, 7270, and 7071 provide expanded Mercedes-Benz service coverage — from earlier 4-cylinder, V6, V8, and V12 engines to today’s modern AMG M177 V8 platforms. For professional technicians working on high-performance Mercedes-AMG vehicles, the CTA 7071 delivers the holding power and precision needed to get the job done right.