Stabilus 6B-840124 Seat Lift Support - Left

Stabilus Seat Lift Support for Mercedes-Benz G-Class

Restore smooth seat operation with this Stabilus seat lift support, part number 6B-840124. It is built for the left side second row seat on select Mercedes-Benz G550, G550 4x4, G63 AMG, G65 AMG, G55 AMG, and G500 models, with OE-style dimensions and a 600 N (135 lb) force rating.

For Mercedes-Benz G550 and G63 AMG second row seat service, 6B-840124 provides the correct length, connection style, and force specification for direct replacement use.

Key Features

• Brand: Stabilus
• Part number: 6B-840124
• Seat lift support for the body/seats application
• Force rating: 600 N / 135 lb
• Compressed length: 130.5 mm (5.138 in)
• Extended length: 195.5 mm (7.697 in)
• Rod diameter: 8 mm (0.315 in)
• Tube diameter: 19 mm (0.748 in)
• Rod connection: metal blade with retaining clip
• Tube connection: metal blade
• Fits the left second row seat position on listed Mercedes-Benz G-Class applications

Detailed Description

This Stabilus seat lift support is engineered for Mercedes-Benz G-Class second row seat service where controlled lifting and holding action are needed. The 600 N force rating, compact compressed length, and OE-style metal blade connections help match the original seat support geometry on the specified G550, G550 4x4, G63 AMG, G65 AMG, G55 AMG, and G500 applications. If you are replacing a worn or weak seat support on a Mercedes-Benz G550 or G63 AMG, 6B-840124 is the correct fitment-focused choice for the left side second row seat.

This part cross-references Mercedes-Benz OE numbers 463 920 06 27 and 4639200427 for the same application.

What It Helps Solve

• Seat support that no longer holds position properly
• Slow or uneven seat lift action
• Seat movement that feels weak or inconsistent
• Noise or looseness from a worn lift support
• Replacement needs for left second row seat service on Mercedes-Benz G-Class models

Installation Notes and Tips

Verify the existing support’s compressed and extended lengths, rod diameter, tube diameter, and blade-style end connections before installation. Confirm left-side second row seat placement on the vehicle and compare the OE part number or interchange reference to ensure the correct application. Handle the support carefully during removal and installation to avoid damaging the retaining clip connection points.

Quality Assurance

Stabilus is a recognized OE supplier for gas springs and lift supports, and this part is built to match the specified fitment and dimensional requirements for the listed Mercedes-Benz applications.