ML55 W163 - Low engine temp?

Page may contain affiliate links. Please see terms for details.

CraigRoyK

Member
Joined
Apr 23, 2011
Messages
48
Location
Surrey
Car
2002 W163 ML55
Hi all,

Hope you can help. Just starting to use my ML55 again after it has stood since December due to lockdown.

I noticed that the engine temp seems to be sitting around 60 even though I’d been out driving for about an hour (to fetch a new battery - the joys of lockdown).

Any thoughts on the cause? I’d normally expect a thermostat issue to cause higher temps (if it failed closed), I suppose failing open could cause it to take longer to heat up, but surely after an hour it should have heated up?

Your thoughts will be appreciated.

Thanks,
Craig
 
Thermostat. I've had three fail; they all did so with the symptoms you describe.
 
I'll second that. Same problem on my C class.
 

Users who are viewing this thread

Back
Top Bottom