S 550 (221.171) V8-5.5L (273.961) (2007)
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Follow the steps exactly as described in DAS
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Connect battery charger
1.
Visually inspect backrests and seat cushions for bubble formation (Figure 1).
Note:
If bubbles are present, replace the affected air cushion insert.
2.
Connect Star Diagnosis.
3.
Read out and erase fault memory.
4.
Read out fault codes in DS-LF, DS-RF, DSP, MKL-HL, and MKL-HR.
5.
Perform one of the following, depending on fault codes read out in previous step:
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If fault code 9210 appears: Perform Procedures D and I.'
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If fault code 9211 appears: Perform Procedures E and I.
Note:
The following fault codes may only be present on seats equipped with the massage function.
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If fault code 9202 appears: Perform Procedures F and I.
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If fault code 9250 or 9251 appears: Perform Procedure B.
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If no fault codes or bubble formations appear: Perform Procedure I.
Note:
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Ignore the following fault codes; they register the automatic shutoff of the pneumatic pump.
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Fault code 9306, Control unit dynamic seat pump is switched off due to a fault." Fault code 9307, Control unit dynamic seat pump is not
activated."
B.
CHECK SYSTEM FOR LEAKS (FRONT SEATS)