C220cdi
Thread Starter
Junior Member
Joined: Apr 2014
Posts: 35
Likes: 0
2002 mercedes e320 w211 petrol
C220cdi
Hi All. Appreciate any assistance. Car wont start, glow plug light does not light up. Agents replaced 3 and did not attempt the 4th afraid it could break off. Vehicle ran fine for a while. Once again the glow plug light does not light up. If I connect a battery charger, the light comes on immediately and the car starts up. .thanks
Last edited by Raj Morar; May 16, 2015 at 09:52 AM. Reason: Spelling incorrect
MBWorld Fanatic!
Joined: Sep 2011
Posts: 1,657
Likes: 35
From: Austin, TX
2005 C230K(sold), Mk7 Jetta
Then check the battery voltage using the dyno mode or with a multimeter. Should be above, say, 12.2v
What happens if you charge it overnight then disconnect the charger and immediately try to start?
What happens if you charge it overnight then disconnect the charger and immediately try to start?
MBWorld Fanatic!
Joined: Sep 2011
Posts: 1,657
Likes: 35
From: Austin, TX
2005 C230K(sold), Mk7 Jetta
Looks like you alternator/voltage regulator is toast. What is the voltage when the car is idling vs when driving?
Should be 13.6v and 14.2v respectively.
(Here is how to access dyno mode to check voltage on the go: https://www.google.com/webhp?hl=en#h...w203+dyno+mode)
Should be 13.6v and 14.2v respectively.
(Here is how to access dyno mode to check voltage on the go: https://www.google.com/webhp?hl=en#h...w203+dyno+mode)
Thread Starter
Junior Member
Joined: Apr 2014
Posts: 35
Likes: 0
2002 mercedes e320 w211 petrol
Tested battery this weekend 12.8. Used the same battery to start another merc. Checked all fuses and relays. Black relay A 002 542 19 19 circuit won't close. Stopped with another indentical relay, still won't start. I used my finger to close the circuit and the car starts up immediately.
