Stabilus 4G-9961UO Deck Lid Lift Support - Rear

Mercedes-Benz SL Rear Gas Strut

This Stabilus gas strut is built for rear lift support on select Mercedes-Benz SL models. It matches the OE-style dimensions and attachment style needed for a direct replacement on the rear of the vehicle, including Mercedes-Benz SL500, SL550, SL600, SL63 AMG, and SL65 AMG applications.

• Brand: Stabilus
• Part number: 4G-9961UO
• Force rating: 175 N / 39 lb
• Extended length: 396 mm / 15.591 in
• Compressed length: 380 mm / 14.961 in
• Rod diameter: 8 mm / 0.315 in
• Tube diameter: 24 mm / 0.945 in
• Plastic socket rod, shaft, and tube connections
• Rear position fitment for Mercedes-Benz SL applications

Fitment Details

Compatible with rear lift support applications on 2003-2012 Mercedes-Benz SL500, 2007-2012 Mercedes-Benz SL550, 2003-2012 Mercedes-Benz SL600, 2009-2012 Mercedes-Benz SL63 AMG, and 2005-2011 Mercedes-Benz SL65 AMG.

The Stabilus 4G-9961UO uses a 175 N force rating and compact gas spring dimensions to support rear panels with controlled opening and closing action. Its plastic socket connections and OE-style sizing make it a practical replacement when the original rear support no longer holds position or loses pressure. This part cross-references Tuff Support 613180 for the same application.

Common Replacement Reasons

• Rear lid or trunk support no longer stays open
• Slow, weak, or uneven lift action
• Loss of gas pressure in the original strut
• Rear panel drops unexpectedly when opened
• Noise or binding from a worn lift support

Installation Notes

Verify compressed length, extended length, rod diameter, tube diameter, and socket style before installation. Confirm rear-position fitment on the vehicle and compare the original support to the Stabilus 4G-9961UO before removal. Inspect mounting points for wear or damage so the new strut seats securely.

Quality Assurance

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