Temperature - accurate?
Thread Starter
Member
Joined: Jan 2004
Posts: 245
Likes: 0
From: Sydney
2010 ML350 CDI AMG Sports, BMW e92 335i (sold), CLK240 Avantgarde (sold)
Temperature - accurate?
Hi,
Just wondering if anybody here knows whether the temperature guage on the W209 is accurate or not? have always notice it's a couple of degrees higher than the televised forecast.
Also, any idea where the sensor is located?
Just wondering if anybody here knows whether the temperature guage on the W209 is accurate or not? have always notice it's a couple of degrees higher than the televised forecast.
Also, any idea where the sensor is located?
Member
Joined: Jul 2002
Posts: 145
Likes: 0
From: Ohio
E320
Mine is always 3-4 higher -- even went to the dealership and had it replaced. Same effect.
Everyonce in a while, it drops down for a few minutes to the correct temp, but it always goes back up.
Strange. Now I just subtract 3-4 and live with it.
Everyonce in a while, it drops down for a few minutes to the correct temp, but it always goes back up.
Strange. Now I just subtract 3-4 and live with it.
Member
Joined: Aug 2003
Posts: 79
Likes: 0
From: Valencia, CA USA
2003 CLK 500, 2004 allroad quattro
outside temperature reading
the temperature value you see on your dashboard is an average value of ambient temp. and engine compartment temp. so it is fair to say the reported value will always be higher than what your weatherman will tell you. also remember that differences will be compounded whether you're static or dynamic.
Senior Member
Joined: Dec 2002
Posts: 391
Likes: 2
From: Northern Virginia
2010 ML350 GAS 4Matic
Also remember that when you hear the news on the radio or TV, you are getting a temperature that was reported from some facility, airport etc.. I live about 10 miles from our local airport and frequently they report a temperature that is a few degrees different than what my thermometer at my house shows. The further you live from where the temperature is reported, the more likely you'll differ from their reading.
My car typically reports a temperature at my house that is very similar to what my home outdoor thermometer reports. It doesn't take much to swing the temperature a few degrees.
In the summer, heat coming off the road can significantly affect the temperature your car reports.
My car typically reports a temperature at my house that is very similar to what my home outdoor thermometer reports. It doesn't take much to swing the temperature a few degrees.
In the summer, heat coming off the road can significantly affect the temperature your car reports.
Newbie
Joined: Jun 2003
Posts: 8
Likes: 0
From: PA
2004 CLK Cab (soon I hope)
I posted an detailed response to this on a previous thread about six months ago. The temperature is pretty accurate. Remember that the temperature on a road is commonly higher than at a weather facility that might not even be near where you are located. At times, it can be 10-15 degrees higher, depending on conditions and traffic. The sensor reads what it sees.
Newbie
Joined: May 2004
Posts: 2
Likes: 0
From: Minneapolis
1997 E420
Bizzaar temp measurement
My 97 E420 always seems to read 10-15 (sometime 20) F-degrees higher than ambient outdoor temp. I would think that it does seem to be effected by the engine compartment temp...which, if the engineer that came up with that stupid idea worked for me, would be fired on the spot.
No person on Earth cares what the engine compartment temp is. They care about maybe 4 temps:
1. Coolant
2. Oil
3. Outdoor
4. Cabin
BUT...who the Hey! ever cares about some composite quazi-engine bay-outdoor temp? Bizzaar.
No person on Earth cares what the engine compartment temp is. They care about maybe 4 temps:
1. Coolant
2. Oil
3. Outdoor
4. Cabin
BUT...who the Hey! ever cares about some composite quazi-engine bay-outdoor temp? Bizzaar.
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MBWorld Fanatic!
Joined: Nov 2001
Posts: 2,332
Likes: 1
From: Bloomington, IN
1997 Toyota Tacoma 4x4
Re: Bizzaar temp measurement
Originally posted by hageshe
No person on Earth cares what the engine compartment temp is. They care about maybe 4 temps:
1. Coolant
2. Oil
3. Outdoor
4. Cabin
No person on Earth cares what the engine compartment temp is. They care about maybe 4 temps:
1. Coolant
2. Oil
3. Outdoor
4. Cabin
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Newbie
Joined: Apr 2004
Posts: 1
Likes: 0
From: Houston
'04 CLK 320
There is some information in the owners manual stating that the temp sensor is actually giving you the temperature of the surface you are driving on for driving safety. Should usually be higher than what your air temp is.
MBWorld Fanatic!
Joined: Nov 2001
Posts: 2,332
Likes: 1
From: Bloomington, IN
1997 Toyota Tacoma 4x4
Originally posted by Predator
my temp is screwy sometimes. Sometimes it would say its 120F when the weather is only 70 or 80. Maybe i need to get my temp gauge replaced.
my temp is screwy sometimes. Sometimes it would say its 120F when the weather is only 70 or 80. Maybe i need to get my temp gauge replaced.
