Mercedes-benz Recall 77V055000: Service Brakes, Hydraulic, Power Assist
NHTSA recall 77V055000 · announced April 19, 1977 · filed by Mercedes-benz Usa, Inc. · 449 units affected
The problem
AN AIR LEAK COULD DEVELOP THROUGH THE PISTON SHAFT SEAL RING WHICH SEALS THE INSIDE OF THE BRAKE BOOSTER FROM THE ATMOSPHERE. THIS COULD RESULT IN A REDUCTION IN BRAKE BOOSTER ASSIST, NECESSITATING INCREASED BRAKE PEDAL PRESSURE.
What to do
DEALER WILL REPLACE THE DEFECTIVE SEAL WITH AN IMPROVED VERSION AT NO CHARGE TO OWNER.
Official NHTSA recall notice →
Notes
VEHICLE DESCRIPTION: TRUCKS.SYSTEM: SERVICE BRAKES; PISTON SHAFT SEAL.CONSEQUENCES OF DEFECT: BRAKE MALFUNCTION, REQUIRING AN INCREASE IN BRAKE PEDALPRESSURE, COULD CAUSE LOSS OF VEHICLE CONTROL AND AN ACCIDENT.
Vehicles covered by this recall
Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.