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2007 MERCEDES-BENZ S65 AMG
6.0L V12 BiTurbo M275•RWD•AUTOMATIC•gas•M275•turbo
🏆Sponsored by Chris H· Danville, IN
Repairs423Labor489Torque3427Fluid8DTC1032Battery1Maintenance0Recalls0
C0312moderate severityChassis

Air Suspension Air Spring Leak Detected

on 2007 Mercedes-Benz S65 AMG 6.0L V12 BiTurbo M275 · RWD

What this code means

The air suspension system has detected an air leak at one or more air spring assemblies.

Symptoms

  • Vehicle leaning to one side
  • Vehicle sitting low after parking overnight
  • Compressor runs frequently
  • Suspension warning light

Common causes

  • Cracked air spring rubber bladder
  • Leaking air spring top mount seal
  • Air line fitting loose
  • Air line cracked from age or heat
  • Solenoid valve leaking

Diagnostic steps

  1. Spray soapy water on air springs and fittings
  2. Check for bubbles indicating leak location
  3. Monitor ride height sensors for one corner dropping
  4. Listen for hissing near air springs
  5. Inspect air lines for cracking or heat damage

Repair notes

Replace leaking air spring assembly. Repair or replace air lines as needed.

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