Brakes - Grunting Noise From The Front Axle Area

Grunting Noise From Front Axle

Topic number LI42.10-P-055595

Version 1

Design group 42.10 Service brake

Date 02-20-2013

Validity 212.091 E550 4-Matic
218.373 CLS550 / 218.391 CLS550 4-Matic

Reason for change

Complaint:
Grunting noise emanating from the front axle area during medium / hard braking.

Note:
The noise is very similar to that of an ESP / ABS pump activation or when allowing the vehicle to creep slowly from a stationary position with the brakes partially applied.





Attachments

Cause:
Frictional vibrations from brake pads

Remedy:
Replace front brake pads.





Symptoms





Parts








WIS-References