So I've had this problem for a while on the E280 CDI OM642
When turning the ignition on the Glow plug light comes on for a few seconds and then goes out as normal.
The car starts first time after the engine turns a few times.
After around 20 seconds the glow plug light comes on again and stays on for exactly 1 minute.
This only happens when the car is cold. When warmed up there is no glow plug light on start up.
I used a standard OBDII module to read the codes and it didn’t show any.
I was then advised on this forum to purchase a more specialised icarsoft reader and bought the new MB V2.0 model.
Found some stored historic codes but still none relating to the light.
Any ideas?
Should I just go medieval and start testing each part with a millimetre and see what I can find?
Saw a set of 6 Bosch Duraterm plugs on ebay for £44, At this price it may be worth just changing them all. Any one used this particular model plug before?
6x Bosch Glow Plugs for MERCEDES CLS 3.0 CLS320 CLS350 CDI OM642 NO SCR | eBay
When turning the ignition on the Glow plug light comes on for a few seconds and then goes out as normal.
The car starts first time after the engine turns a few times.
After around 20 seconds the glow plug light comes on again and stays on for exactly 1 minute.
This only happens when the car is cold. When warmed up there is no glow plug light on start up.
I used a standard OBDII module to read the codes and it didn’t show any.
I was then advised on this forum to purchase a more specialised icarsoft reader and bought the new MB V2.0 model.
Found some stored historic codes but still none relating to the light.
Any ideas?
Should I just go medieval and start testing each part with a millimetre and see what I can find?
Saw a set of 6 Bosch Duraterm plugs on ebay for £44, At this price it may be worth just changing them all. Any one used this particular model plug before?
6x Bosch Glow Plugs for MERCEDES CLS 3.0 CLS320 CLS350 CDI OM642 NO SCR | eBay