Replacement RM63040001 Power Liftgate Lift Support Strut - Right Side

The Replacement RM63040001 is a right-side power liftgate lift support strut designed as a direct OEM replacement for the Mercedes-Benz GL-Class (X166) and GLS-Class (X166) series. This electric tailgate strut restores proper powered liftgate operation, enabling smooth, effortless opening and closing of the rear hatch via the key fob or interior button.

This strut is a drop-in replacement for worn, noisy, or failing OEM liftgate supports. Common symptoms indicating replacement is needed include clunking or grinding noises from the liftgate, difficulty opening or closing the rear hatch, and slow or inconsistent powered movement.

Key Features:

• Direct OEM Replacement: Engineered to meet original equipment specifications for a precise, no-modification fit
• Electric/Power Liftgate Compatible: Designed exclusively for vehicles equipped with the factory power liftgate system; operates via actuator and plug for key fob remote control
• Durable Construction: Built with corrosion-resistant materials and anti-rust coating for long-term reliability
• High-Strength Piston Seal: Leak-proof design maintains consistent gas pressure for reliable lift performance
• Extended Length: Approximately 24.26 inches extended; 17.82 inches compressed; 6.44-inch stroke length
• Placement: Right side (RH) rear liftgate

OEM / Cross-Reference Part Numbers:

• A1668900100
• A1668900530
• 1668900100
• 1668900530
• 166890

This lift support is sold as a single unit (right side). Note: This part is only compatible with vehicles equipped with the factory power/electric liftgate option.