What's the typical coolant temp (Dash needle, or AAC display - #06)?
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2003 S500, 2008 smart fortwo, 2001 SLK320 6-spd (Father's car)
What's the typical coolant temp (Dash needle, or AAC display - #06)?
2003, S500 4Matic, ~150k miles. Radiator replaced last winter (tried to climb telephone post support cables).
I drove the car several times last summer (MN), but don't recall where the needle would typically sit.
Over the winter (and it was a cold one), it would be consistently around the 80°C mark, but now that the weather has finally warmed up, I often see it around the 90°C position. Checking with the AAC display (hold REST for ~10 seconds, then up on the Driver's temp until NR:06 appears, and read +93°C).
Converting to °F, this is pushing 200°F, which seems high to me. It does, however, come down on the freeway, and fuel economy and performance are good.
So, the question is out there. What do you all in other climates see as typical?
I drove the car several times last summer (MN), but don't recall where the needle would typically sit.
Over the winter (and it was a cold one), it would be consistently around the 80°C mark, but now that the weather has finally warmed up, I often see it around the 90°C position. Checking with the AAC display (hold REST for ~10 seconds, then up on the Driver's temp until NR:06 appears, and read +93°C).
Converting to °F, this is pushing 200°F, which seems high to me. It does, however, come down on the freeway, and fuel economy and performance are good.
So, the question is out there. What do you all in other climates see as typical?
Last edited by 300_6.3; Jun 5, 2014 at 07:12 PM. Reason: Did not cite the car...
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From: Montréal
Facelift GLC43
I get the same reading as you, 80 in winter and 90-95 in summer and that's on two different W220 S-Classes. So yeah, as Tusabes stated, completely normal! You shouldn't worry as long as it doesn't go into the red!
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From: Clifton, NJ
96 and 08 911 turbos
Anything under 100C is fine. Remember, the coolant is under pressure so its boiling point is higher than 212 degrees.
What I've done that has helped keep the temps below 90C is to turn on the high speed cooling fan 10c earlier. This can be done through STAR DAS
What I've done that has helped keep the temps below 90C is to turn on the high speed cooling fan 10c earlier. This can be done through STAR DAS
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S 320
I used a hose pipe not long back to clean out the condenser matrix mainly to help the Air Con on those hot days we rarely have here in the UK.
Due to the fact the condenser is mounted directly in front of the Radiator the benefits were obviously two fold.
Since cleaning I have noticed a good 5 to 10c drop in the coolants temperature. She runs at around 80 to 85c on the gauge at 25c ambient temps when in traffic now, dropping to 80c at highway speeds.
Give it a go may well work for you as well.
Either way as others have said your temp range is perfectly within normal parameters so really no big deal and definitely no cause for concern
Due to the fact the condenser is mounted directly in front of the Radiator the benefits were obviously two fold.
Since cleaning I have noticed a good 5 to 10c drop in the coolants temperature. She runs at around 80 to 85c on the gauge at 25c ambient temps when in traffic now, dropping to 80c at highway speeds.
Give it a go may well work for you as well.
Either way as others have said your temp range is perfectly within normal parameters so really no big deal and definitely no cause for concern
Last edited by baldsparky; Jun 26, 2014 at 05:27 PM.
