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NHTSA Campaign 04V296000

SERVICE BRAKES, HYDRAULIC

Issued by MERCEDES-BENZ USA, LLC. · Reported Jun 22, 2004 · 143,387 vehicles affected

What's wrong

ON CERTAIN VEHICLES, THE ELECTRONIC MONITORING SYSTEM OF THE SENSOTRONIC BRAKE CONTROL (SBC) IS DESIGNED TO MONITOR THE PRESSURE GRADIENT WITHIN THE HIGH PRESSURE LINE OF THE BRAKE SYSTEM. IF AN UNACCEPTABLE PRESSURE GRADIENT IS DETECTED, THE SYSTEM WILL SWITCH, AS IT IS DESIGNED TO DO, INTO THE HYDRAULIC FUNCTION MODE.

Consequence

IF VEHICLES ARE NOT ROUTINELY SERVICED AND HAVE EXTREMELY HIGH MILEAGE COMBINED WITH A HIGH NUMBER OF BRAKE ACTUATIONS, OR A HIGH BRAKE ACTUATION FREQUENCY, THE PUMP MOTOR OF THE SBC MAY RUN OUT OF PERMISSIBLE TOLERANCES, THEREBY TRIGGERING THE HYDRAULIC FUNCTION MODE.

Remedy

DEALERS WILL INSPECT THE SBC HYDRAULIC UNIT, REPLACING IT IF NECESSARY. THE RECALL BEGAN ON OCTOBER 21M 2004. OWNERS SHOULD CONTACT MERCEDES-BENZ AT 1-800-367-6372.

Vehicles affected by this recall

Make Model Year Units
MERCEDES-BENZ E CLASS 2003 143,387
MERCEDES-BENZ E CLASS 2004 143,387
MERCEDES-BENZ E CLASS 2005 143,387
MERCEDES-BENZ SL CLASS 2003 143,387
MERCEDES-BENZ SL CLASS 2004 143,387

Source: NHTSA Campaign 04V296000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.