Glow plug relay location W211 V6 320 CDI

[SL300-24]

Can anyone help me in finding the location of the glow plug relay in a facelift E320CDI Estate?

Thanks

 

[SL300-24]

anyone please?

 

[mbenz1]

Near silver turbocharger pipe on left side of engine
http://forums.mercedesclub.org.uk/showthread.php?t=107751

 

[mbenz1]

Also, if you intend to change this unit, it needs to be decoded or in other words, the codes have to be cleared etc... Just had this replaced on my farther's e280 cdi v6