Is the glow plug on my W210 e320 working?

Is the glow plug on my W210 e320 working?

After replace all glow plugs, when cold my W210 E320 keep the glow plug light on, and just goes off after the engine warm up and only after turn off the engine and start again, when hot no problem. I’ve test the plugs and they look ok, so i’m wondering if i have the Glow plug Relay not working properly.

How to remove glow plugs from 2007 e320 Bluetech?

Lift each cap gently with a needle nose pliers to remove. Use an 8mm deep socket with a torque wrench, applying no more than 25nm or 18lb pressure while removing it straight out.

What kind of plug does an E320 CDI use?

More research revealed this plug is not Mercedes No. 001-159-66-01 and is actually a 4.4 volt plug of an earlier version, A001-159-50-01 which works on ’05 and ’06 E320 CDI’s and 3.0 liter Mercedes Sprinters.

How long does it take to replace a Mercedes glow plug?

Mercedes says #2 glow plug low voltage. Need to replace all glow plugs. Dealer replaced plugs. Then glow plug relay replaced. Then inlet port shuttoff motor (M55) replaced. $4k in three days! Good for 1 week and starting over. Glow plug error develops each morning. Dealer replaced all 6 plugs over next 5 days.

How to replace glow plugs in 2007 e320?

Do not bend or rock the wrench while removing as the plug is very fragile and can break off if you’re not careful. If the plugs look dirty or corroded, may want to clean the glow plug recesses with cylindrical (perlon) 10mm brushes. Otherwise, insert the new plugs, screw in, and torque to 10nm (8lb).

More research revealed this plug is not Mercedes No. 001-159-66-01 and is actually a 4.4 volt plug of an earlier version, A001-159-50-01 which works on ’05 and ’06 E320 CDI’s and 3.0 liter Mercedes Sprinters.

Mercedes says #2 glow plug low voltage. Need to replace all glow plugs. Dealer replaced plugs. Then glow plug relay replaced. Then inlet port shuttoff motor (M55) replaced. $4k in three days! Good for 1 week and starting over. Glow plug error develops each morning. Dealer replaced all 6 plugs over next 5 days.

Are there any problems with the glow plugs?

Glow plug error develops each morning. Dealer replaced all 6 plugs over next 5 days. Two days with no errors and it’s starting over. Similar error each morning indicating another bad glow plug. Dealer is baffled and tells me to get rid of it. No other errors showing up except the bad glow plugs.