MERCEDES BENZ L1116 1975: SERVICE BRAKES, HYDRAULIC:POWER ASSIST

General Information

NHTSA Campaign ID Number: 77V055000

Make Model Year
MERCEDES BENZ L1116 1975
Date Owners Notified Date Received by ODI Date Added to Database
1977-04-15 1977-04-19 1979-10-12

Manufacturers Involved: Mercedes-Benz USA, LLC

Component: SERVICE BRAKES, HYDRAULIC:POWER ASSIST

Potential Number Of Units Affected: 449

Report Initiator: MFR MFR Report

Summary

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.

Remedy

DEALER WILL REPLACE THE DEFECTIVE SEAL WITH AN IMPROVED VERSION AT NO CHARGE TO OWNER.

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.