Mercedes Benz S 550 4MATIC Technical Problem #LI46-30_P-054912 Date: 121029 Steering - Electrohydraulic Power Steering Pump Leak
Mercedes Benz S 550 4MATIC Technical Problem #LI46-30_P-054912 Date: 121029 Steering - Electrohydraulic Power Steering Pump Leak Oil leak at power supply connector of electrohydraulic power steering pump (EHPS), sometimes with reduced power assistance Topic number LI46.30-P-054912 Version 1 Design group 46.30 Power steering pump Date 10-29-2012 Validity MODEL 221 as of ident number #A 286000 up to ident number #A 495000 except vehicles with code 489 (Active Body Control) MODEL 216 as of ident number #A 023500 up to ident number #A 030800 except vehicles with code 489 (Active Body Control) Reason for change Complaint: In individual cases oil may be seen at the power supply connector of the electrohydraulic power steering pump (EH-PS) A91/1 (see attachment 001) and at the wiring harness for the power supply (see attachment 002), sometimes in combination with noises when steering and/or with reduced power assistance. The capillary effect may have cause the oil to...