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May 30, 2026 Other

Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed,...

Mercedes-Benz technical service bulletin PSL-NCU Return Parts 5/29 for 2024-2026 Mercedes-Benz E350, 2020-2021 Mercedes-Benz GLS 450 and 2024 Mercedes-Benz E 450 and others.

Bulletin number
PSL-NCU Return Parts 5/29
Component
Suspension
Summary
Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is no later than Thursday, June 18, 2026. After June 18th, returns of these parts will no longer be accepted. These parts should be returned via ZSR Special Return, using item category SCM Authorized Part Return. Please include a copy of this NCU as your authorization to return these parts. This procedure will not affect your return allowance. All returned parts will be replaced in accordance with the chart provided below.

Owners of these vehicles have filed 7 complaints in the suspension category.

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