Turbocharger For Mercedes Benz ML GL 350 826830 0004 A6420902486 A6420902086 AL0078

Complete Aftermarket Turbocharger Assembly for Mercedes-Benz ML350 & GL350 3.0L V6 BlueTEC Euro 6 | 826830-0004 / A6420902486 / AL-0078

Restore refined luxury performance, eliminate severe low-RPM throttle lag, and remedy electronic rotary actuator issues with this high-precision Complete Aftermarket Turbocharger Assembly. Specially engineered as a cost-effective, premium-grade replacement to handle the fast-spinning rotation rates, severe thermal cycles, and strict Euro 6 BlueTEC emissions parameters of Mercedes-Benz’s 3.0L V6 OM642 diesel engine, this direct drop-in unit resolves common forced-induction failures including variable nozzle vane carbon sticking, actuator motor gear stripping, turbine housing thermal stress cracks, and internal shaft play.

Detailed Passenger Vehicle & Engine Application Mapping

This aftermarket variable-geometry turbocharger assembly is custom-tailored to communicate seamlessly with Mercedes-Benz 3.0L V6 BlueTEC luxury SUV platforms:

• Mercedes-Benz ML-Class: Fits ML350 BlueTEC / CDI (W166 Chassis, Model Years 2011–2015).

• Mercedes-Benz GL-Class: Fits GL350 BlueTEC / CDI (X166 Chassis, Model Years 2012–2015).

• Mercedes-Benz GLE & GLS Series: Fits early GLE350d (W166) and GLS350d (X166) 3.0L V6 models.

• Engine Suitability: Explicitly calibrated for the Mercedes-Benz OM642.826 / OM642 3.0L (2987cc) V6 Turbocharged Diesel Engine Series configured for Euro 6 / BS6 BlueTEC SCR emissions standards.

Part Number Cross-Reference & OEM Details

• Garrett Architecture Cross-References: 826830-0004 | 826830-5004S | 826830-0003 | 826830-5003S | 826830-4 | 826830-3

• Mercedes-Benz OEM References: A6420902486 | A6420902086 | 6420902486 | 6420902086

• Market / Casting Reference: AL-0078 | AL0078

• Turbo Model Architecture: GTB2060VK (Variable Geometry VNT Aftermarket)

• Engine Code: 3.0L V6 OM642 Euro 6 / BlueTEC

Key Technical Specifications & Features

• Precision Variable Geometry Nozzle Vanes: Advanced VNT mechanism dynamically adjusts internal nozzle guide vanes to deliver instant boost at low engine RPMs while preventing thermal backpressure buildup during high-speed highway cruising.

• Pre-Calibrated Electronic Rotary Actuator: Integrated electronic actuator communicates directly with the engine ECU, executing real-time vane adjustments to prevent "Limp Home" mode triggers and boost pressure fault codes.

• High-Nickel Thermal Cast Turbine Casing: Exhaust turbine housing cast from high-nickel ductile iron to resist structural cracking, warping, and thermal fatigue during continuous high-load operations and active DPF regenerations.

• VSR Ultra-High-Speed Dynamic Balancing: Core rotating assembly undergoes computerized dynamic balancing on Vibration Sorting Rigs (VSR) at full operational RPMs to eliminate micro-vibrations, ensuring quiet cabin operation and extending bearing lifespan.

• Advanced Internal Fluid Seals: Multi-piece piston ring seals keep motor oil locked inside the central bearing housing, preventing oil migration into intake charge pipes or downstream SCR/DPF aftertreatment systems.

Critical Operational Benefits for European Auto Workshops & SUV Owners

1. Immediate Power & Low-End Torque: Re-establishes uncompromised factory boost parameters, enabling instant low-RPM spool-up and responsive highway overtaking power.

2. Protects BlueTEC Emission Controls: Delivers accurate air-to-fuel ratios to ensure clean diesel combustion, preventing unburnt soot from clogging DPF filters or fouling AdBlue/SCR catalysts.

3. True Drop-in Realignment: Features exact original equipment mounting dimensions, V-band manifold flange orientations, and oil connection threads for direct garage installation.