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May 15, 2026 Other

The part numbers listed in the chart below should no longer be installed, and any existing stock must be...

Mercedes-Benz technical service bulletin PSL-NCU Return Parts 5/15 for 2017-2025 Mercedes-Benz C300, 2020-2023 Mercedes-Benz E350 and 2016-2023 Mercedes-Benz GLC 300 and others.

Bulletin number
PSL-NCU Return Parts 5/15
Component
Suspension
Summary
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 4, 2026. After June 4th, 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 63 complaints in the suspension category.

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