Mercedes A 180 CDI blue effieiency fault codes help no regen glow light

[b44ly]

Mercedes A 180 CDI blue effieiency fault codes help no regen glow light
Have this Merc A180 in, glow plug light on, won't regen. cant find any info on the 3 codes at all, i suspect the heater booster plugs (like on french cars) 3 out of 4 have failed.
P164164
P164264
P164364

Any info or help appreciated.
Many thanks.

[R0LLS ROYCE]

hi,

did you solve this problem?

[b44ly]

Nope, had other issues, as main fan was coming on, and the relay had been removed. so was sent to Merc specialist. If we hear back will update.