GL 320 CDI (164.822) V6-3.0L DSL Turbo (642.940) (2008)
If you receive customer reports in the above model vehicles of fuel loss at the pressure regulator valve and/or poor engine running characteristics
(shakes, knocks, surges, changes to limp-home mode, poor output, poor fuel economy, combustion noise, vehicle stalls), please refer to possible fault
codes / text shown above and follow the guided tests indicated in SDS to resolve. This may be caused by a malfunction at the pressure regulator valve
(PRV) due to improper installation.
In the event of a faulty pressure regulator valve or an external leak between the rail and the pressure regulator valve, the entire rail must be replaced.
Refer to WIS documents: AR07.03-P-1010T (211.026), AR07.03-P-1010Ti (211.022), and WIS document: AR07.03-P-1010GZB (164 and 251).
Note:
The pressure regulator valves cannot be replaced individually due to possible imprecise installation processes in the workshop. Do not replace the fuel