MBUSA W221 Bulletins to date
Service Campaign 2011120005 DEC11 - MY12 221 electronic ignition switch may have been damaged during production dealer will replace. Approximately 5 vehicles affected.
Service Campaign 2012010003 JAN12 - 2010 216 & 221 instrument cluster software, communication issues may occur dealer will update.
Service Campaign 2012010003 JAN12 - 2010 216 & 221 instrument cluster software, communication issues may occur dealer will update.
VIN: WDDNG71X47A147356
Service Campaign 2012010003 JAN12 - 2010 216 & 221 instrument cluster software, communication issues may occur dealer will update.
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is any of above bulletin will affect me?
Service Campaign 2012020001 MAR12 – MY12 166, 221diesel may not meet OBD specifications dealer will update engine control module software. 1978 vehicles affected.
S-B-46.30/21a FEB08 Grinding or gushing noises heard from the area of the steering system/power steering pump may be in the A/C compressor drive. Noise is present at both idle and higher engine speeds, can be heard whether the steering wheel is stationary or moving, and frequency increases with the engine speed.
221.171/176/177/179/186 MY07 – VIN range A106647 to A134746
216.371/376/377/379/386 – A002723 to A006715
Multi-contour/Dynamic Seat air cushions not inflating or bubble formation. Cause inoperative transistors in the valve electronics depending on DTC replace corresponding unit i.e. backrest or cushion module, massage pad, etc.
Models 164, 171, 203, 204, 207, 209, 211, 212, 216, 219, 221, 230, 251, 463
Engines 272 and 273, MY 2005 – 2011 Camshaft Adjustment Solenoids - due to the settling properties of the seal, oil may leak from the camshaft adjustment solenoid dealers will retrofit four adapter harnesses onto the engine wiring harness. Covers any/all repairs due to damage from oil leak however, notes replacement of leaking camshaft solenoid is not permitted under consequential damage.
Approximately 557,108 vehicles are affected. Have dealer check VMI to determine if vehicle is included. Service Campaigns are covered out of warranty.
LI54.10-P-054713 – 221.095/195 (Hybrid) IC battery fault message vehicle no longer starts, replace HV battery.
LI46.30-P-054912 – 221 VIN A286000–A495000, 216 A023500–A030800 (all without Active Body Control 489) oil leak at power supply connector of electrohydraulic power steering pump (EHPS) sometimes with reduced power assistance, replace EHPS / wiring harness / front prefuse box (depending on oil penetration)
LI68.20-P-054982 – 221 VIN A484558 to A491452 stowage compartment/ashtray (center console) clattering noise on rough roads, felt will be installed.


LI68.20-P-054982 – 221 VIN A484558 to A491452 stowage compartment/ashtray (center console) clattering noise on rough roads, felt will be installed.


