Computers/Controls - Malfunctions Of Various Power/Control Unit Malfunctions of various control units and/or on-board power supply problems caused by water in the control unit tray under the driver/front passenger seat (dislocated, pinched or leaking condensation hose) Topic number L183.00-P-052510 Version 2 Design group 83.00 General Date 02-28-2013 Validity All Mercedes-Benz cars Reason for change Remedy adapted, validity adapted Complaint: Water that enters into the control unit tray under the driver/front passenger seat can damage the control units installed there and complaints may be received about the functions associated with these control units. Problems with the on-board power supply voltage may also occur. Cause: The condensation hose (right/left) on the A/C housing may either be dislocated, pinched/crushed (water collects in A/C housing) or leaking, resulting in water entering the interior. Remedy: If the condensation hose (right/left) is dislocated, push it all the way bac...
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