R 63 AMG (251.177) V8-6.3L (156.980) (2007)
Fuel Filter: Technical Service Bulletins
Fuel System - Fuel Pump/Filter Module Replacement
Date: September 2007
Order No.: T-B-47.20/52
Supersedes:
Group: 47
SUBJECT:
MODELS 164, 251
MODEL YEAR ALL
PROCEDURE FOR REPLACING FUEL PUMP AND FUEL FILTER MODULES
In cases of complaints involving fuel pumps or fuel filters, replace only the faulty module related to the respective component.
Replace modules in pairs only when both modules are diagnosed faulty.
The procedure above applies also in cases of complaints involving fuel level sensors.
Note:
Always included the printed-out test steps with the respective faulty components when submitting a warranty return.