Mercedes Benz Window Regulator A6397200546S

The A6397200546S is a premium heavy-duty electric window regulator assembly specifically designed for Mercedes-Benz commercial van platforms. The "S" suffix identifies this as a complete service kit or a reinforced version. TinzerMotor manufactures this part as a high-durability aftermarket solution, engineered to handle the intense daily usage of delivery vans, taxis, and transport fleets.

• Part Number: A6397200546S / 6397200546

• Primary Application: Specifically engineered for Mercedes-Benz Vito (W639) and Viano (W639) models (2003–2014).

• Position: Front Right (Passenger Side).

• Mechanism Type: Electric window lifter (motor-ready), featuring a robust cable-driven rail system.

• Material: Manufactured from high-tensile galvanized steel and reinforced glass-fiber polymer components to ensure maximum wear resistance.

• Mercedes-Benz OEM: A639 720 05 46, 639 720 05 46, A6397200146

• Magneti Marelli: 350103736000 (AC736)

• Febi Bilstein: 31446

• Trucktec: 02.53.077

• VAICO: V30-1050

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• Precision Fitment: Every unit is built to exact 1:1 OEM dimensions, ensuring that mounting holes and motor attachment points align perfectly with the original door frame for a modification-free installation.

• Enhanced Cable Technology: TinzerMotor utilizes multi-strand, pre-stretched stainless steel cables with a specialized low-friction coating. This design significantly reduces the risk of snapping or stretching, which is the most common failure point in van regulators.

• Rigorous Reliability Testing:

• 35,000+ Cycle Validation: Each design is tested to exceed 35,000 full-stroke operations, simulating years of intensive use in professional delivery and passenger services.

• Anti-Corrosion Finish: All metal components undergo an 8-stage salt spray test, protecting the regulator from moisture and road salt ingress within the door cavity.

• Vibration Stability: Verified to remain noise-free and structurally sound even under the constant vibration typical of urban commercial driving.

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