Strange engine temperature gauge variations (Video inside) Any ideas?
Newbie
Joined: May 2015
Posts: 2
Likes: 0
Mercedes c280 w204
Has anybody known the solution for the problem???it started happening 2 days ago and it's driving me crazy!
I did the air flap runner repair on the intake manifold and 2 days later this started happening..
Help!!!
I did the air flap runner repair on the intake manifold and 2 days later this started happening..
Help!!!
Member
Joined: Nov 2010
Posts: 197
Likes: 1
From: Australia
C220 CDI SLK 200
Junior Member
Joined: Mar 2011
Posts: 18
Likes: 0
c300
Newbie
Joined: Dec 2016
Posts: 1
Likes: 0
C200 2010
Hi everyone
I have the same problem with other associated problems.
First the temperature gauge is doing exactly as shown on the video,what's more, it sometimes moves in a crazy way up and down till it reaches the zero. This is always associated with a one or two jerks, not always happening!
I checked the error codes and got two errors, one is P033631 Crankshaft sensor malfunction and the other is P011927 Coolant temperature sensor!!
I replaced both, but still getting the same
and suddenly I got check engine light on my OBD
Any help?
I have the same problem with other associated problems.
First the temperature gauge is doing exactly as shown on the video,what's more, it sometimes moves in a crazy way up and down till it reaches the zero. This is always associated with a one or two jerks, not always happening!
I checked the error codes and got two errors, one is P033631 Crankshaft sensor malfunction and the other is P011927 Coolant temperature sensor!!
I replaced both, but still getting the same
and suddenly I got check engine light on my OBDAny help?
Newbie
Joined: Feb 2018
Posts: 1
Likes: 0
mercedes benz
I have an e class w212 and the temperature of my car goes from 90degres to 50 or sometime it goes to 100 and than falls down. Before this problem i changed my thermostat because i had problems with my ac so my thermostat is new. I went to the official mercedes benz about this temperature problem but they didnt know this problem so they told me to buy a new thermostat. Anyone can help me because mechanics in my country are not very good some say me that my pomp of water is the problem others tell me other thing and i am very stressed and dissapointend from my mercedes! Thank you
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Newbie
Joined: Jul 2018
Posts: 1
Likes: 0
2008 c 300
This is happening to my car, did you replace the fan module? Thanks in advance
Newbie
Joined: Aug 2015
Posts: 13
Likes: 0
2014 Mercedes-Benz ML350 4-MATIC | 2007 CLK350
Anyone find a definitive solution? ¯\_(ツ)_/¯
I have a 2007 CLK350 with the same symptoms—coolant warning light and temp gauge quickly fluctuating up and down. Happens occasionally and it's difficult to reproduce. When it does happen the car does not seem to be overheating.
Has anybody with the same issue actually solved it definitively? It's great to get lots of opinions (temperature sensor, fan module, thermostat, etc.) but it would be really nice to hear from someone who found a definitive solution to fixing this.
Has anybody with the same issue actually solved it definitively? It's great to get lots of opinions (temperature sensor, fan module, thermostat, etc.) but it would be really nice to hear from someone who found a definitive solution to fixing this.
Newbie
Joined: Apr 2022
Posts: 9
Likes: 6
2010 C350 4Matic
I have a 2007 CLK350 with the same symptoms—coolant warning light and temp gauge quickly fluctuating up and down. Happens occasionally and it's difficult to reproduce. When it does happen the car does not seem to be overheating.
Has anybody with the same issue actually solved it definitively? It's great to get lots of opinions (temperature sensor, fan module, thermostat, etc.) but it would be really nice to hear from someone who found a definitive solution to fixing this.
Has anybody with the same issue actually solved it definitively? It's great to get lots of opinions (temperature sensor, fan module, thermostat, etc.) but it would be really nice to hear from someone who found a definitive solution to fixing this.
My 2010 C350 (W204) issues:
- High Temp indicator coming on, even though the engine temp is normal.
- Sometimes the engine temp fluctuates too high even while conservative driving.
I replaced the thermostat which fixed the irregular high over speeding fan and not blowing hot enough heat during the winter.
Still the temp indicator comes on for no apparent reason. Running the A/C doesn't seem to affect it yet. Although when it's warmer outside the temp seems to creep up then back back down, high temp icon comes on and fan runs more.
My next step is to replace the Coolant Temperature Sensor in hope this may help, but who really knows....as no one else seems to know either. Strange!
Newbie
Joined: Aug 2015
Posts: 13
Likes: 0
2014 Mercedes-Benz ML350 4-MATIC | 2007 CLK350
Resolved in my case
Just wondering if you had any luck yourself?
My 2010 C350 (W204) issues:
- High Temp indicator coming on, even though the engine temp is normal.
- Sometimes the engine temp fluctuates too high even while conservative driving.
I replaced the thermostat which fixed the irregular high over speeding fan and not blowing hot enough heat during the winter.
Still the temp indicator comes on for no apparent reason. Running the A/C doesn't seem to affect it yet. Although when it's warmer outside the temp seems to creep up then back back down, high temp icon comes on and fan runs more.
My next step is to replace the Coolant Temperature Sensor in hope this may help, but who really knows....as no one else seems to know either. Strange!
My 2010 C350 (W204) issues:
- High Temp indicator coming on, even though the engine temp is normal.
- Sometimes the engine temp fluctuates too high even while conservative driving.
I replaced the thermostat which fixed the irregular high over speeding fan and not blowing hot enough heat during the winter.
Still the temp indicator comes on for no apparent reason. Running the A/C doesn't seem to affect it yet. Although when it's warmer outside the temp seems to creep up then back back down, high temp icon comes on and fan runs more.
My next step is to replace the Coolant Temperature Sensor in hope this may help, but who really knows....as no one else seems to know either. Strange!
Newbie
Joined: May 2024
Posts: 1
Likes: 0
2011 Glk 350
Thanks for the reply. I did and even at the shop with my mechanic. Everything looked and felt normal, all the levels, and even the scanner was normal. Even today it showed again, but the strange thing is that after 5 or 10 minutes of driving, temperature goes down to normal and the dashboard warning is gone. Strange indeed.
