Tuesday, May 21, 2019

Key Battery Information Form Mercedes-Benz A220 2020 Technical Service Bulletin # LI33-15_P-0474714 Date: 130319


Mercedes-Benz A220 2020 Page 467



Suspension - Front Axle Area Noise When Maneuvering



Knocking/creaking noises from area of front axle when maneuvering



Topic number L133.15-P-047471



Version 4



Design group 33.15 Axle links



Date 03-19-2013



Validity Model series 203 except 4MATIC, model series 171 209,



204, 207



Reason for change WIS-References updated.



Complaint:



Knocking/creaking noises from the area of the front axle when maneuvering with steering almost at full lock.



Cause:



Hydro-mount in strut rod.



When maneuvering, the inner stop plug in the hydro-mount collides with the outer sleeve and causes corresponding noises.



Note:



The noise can be best reproduced by driving a figure-8 in reverse. If the noises occur during this maneuver, then the steering gear is definitely



not the cause and must not be replaced.



Remedy:



Replace hydro-mounts on both strut rods. See EPC for part number.



Important:



If the rubber boots are not present, they must be retrofitted. Follow assembly instructions in WIS.



Symptoms



Parts



Mercedes-Benz A220 2020 Page 468

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