# 2004 Mercedes-Benz SL-Class - Suspension sags on one side

**URL:** <https://community.cartalk.com/t/2004-mercedes-benz-sl-class-suspension-sags-on-one-side/169082>\
**Category:** Maintenance/Repairs\
**Tags:** mercedes-benz\
**Created:** [August 23, 2020, 6:24pm UTC](https://community.cartalk.com/t/2004-mercedes-benz-sl-class-suspension-sags-on-one-side/169082 "2020-08-23T18:24:38Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Guy36](https://avatars.discourse-cdn.com/v4/letter/g/49beb7/32.png) [@Guy36](https://community.cartalk.com/u/Guy36)\
**Post date:** [August 23, 2020, 6:24pm UTC](https://community.cartalk.com/t/2004-mercedes-benz-sl-class-suspension-sags-on-one-side/169082/1 "2020-08-23T18:24:38Z")

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suspension lowers on right side while sitting over night

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**Author:** ![davepsinbox\_157004](https://avatars.discourse-cdn.com/v4/letter/d/73ab20/32.png) [@davepsinbox\_157004](https://community.cartalk.com/u/davepsinbox_157004)\
**Post date:** [August 23, 2020, 9:06pm UTC](https://community.cartalk.com/t/2004-mercedes-benz-sl-class-suspension-sags-on-one-side/169082/2 "2020-08-23T21:06:34Z")

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Your vehicle probably has air suspension and there’s a leak in the pneumatic system somewhere that’s allowing air to escape. When the vehicle is operating there’s a compressor that maintains the pressure (and the vehicle) at the correct level.