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Mercedes-Benz Code U22
(4-Way Lumbar Support Adjustment)
4-Way Lumbar Support Adjustment is classified under the Interior Comfort category.
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Specification & Capabilities
4-Way Lumbar Support Adjustment is classified under the Interior Comfort category.
Code U22 - Pneumatically adjustable support cells inside the front seat backrests for lumbar posture tuning.
STANDARD CODE IDENTIFIERCode U22
EQUIPMENT CATEGORYInterior Comfort
Used Car Buyer Checklist: Code U22
Adjusted using a circular 4-way direction switch on the side of the seat base. Listen for air pump operation when holding the button. Ensure there are no air leaks causing the bolster to deflate after long drives.
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