No crank and relays in a w210 1999 E300 TD

barrymurphy

New Member
Joined
Aug 16, 2011
Messages
4
Car
W210 1999 E300TD Saloon
Hello,

My E300 randomly "no cranks". All the lights on the dash come on but on the final turn of the key "no crank". It sometimes can take 2-4 goes to get going. We are looking in the direction of the battery, as its old, and the relay.
(Yesterday it started perfect every time!). This happens both on cold and warm start. More so on warm.

Firstly, would a weak battery cause this to occur randomly?
having located a bunch of relays beside the fusebox, they seem to be designated with letters on the relay board, A to G. Can someone tell me what each relays controls?

regards

barry
 

allias

Active Member
Joined
Nov 8, 2009
Messages
717
Location
Leeds
Car
00' W210 Est 320CDI
Firstly, would a weak battery cause this to occur randomly?

Defenetly.... that would be first thing to check out.
 

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