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Mercedes-Benz Thermostat

95 items

Upgrade your vehicle's thermostat with A-Premium's high-quality options. Choose reliability and durability for a smoother ride.

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Thermostat Housing Assembly with Thermostat & Sensor for Freightliner Mercedes-BenzThermostat Housing Assembly with Thermostat & Sensor for Freightliner Mercedes-Benz
A-Premium®Part # APTHA0208
Thermostat Housing Assembly with Thermostat & Sensor for Freightliner Mercedes-Benz
4.685 Reviews
$50.99
Low stock: Only 5 left
Edit ZIP code
2-year warranty
90 days free return
Fits 2007 - 2009 Mercedes-Benz E320, 2013 - 2013 Mercedes-Benz E350, 2013 - 2013 Mercedes-Benz R350, 2020 - 2021 Freightliner Sprinter 2500, 2020 - 2021 Freightliner Sprinter 3500, 2020 - 2021 Freightliner Sprinter 3500XD, 2013 - 2018 Mercedes-Benz Sprinter 2500, 2019 - 2022 Mercedes-Benz Sprinter 2500, 2013 - 2022 Mercedes-Benz Sprinter 3500, 2018 - 2022 Mercedes-Benz Sprinter 3500XD, 2013 - 2019 Freightliner Sprinter 2500, 2013 - 2019 Freightliner Sprinter 3500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
MaterialAluminum
Part interchange
902-5850, 967198, 2762000256, 6422002115, A6422001615, A6422002215
item #1002LSY3
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Engine Coolant Thermostat Housing Assembly for Mercedes-Benz C220 1995-1996 C230
A-Premium®Part # APTHA0081
Engine Coolant Thermostat Housing Assembly for Mercedes-Benz C220 1995-1996 C230
4.685 Reviews
$27.99
Low stock: Only 1 left
Edit ZIP code
2-year warranty
90 days free return
Fits 1995 - 1996 Mercedes-Benz C220, 1997 - 1998 Mercedes-Benz C230
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
Part interchange
V309901081, TH624787J, A1112000315, A1112030375, A1102000315, 1102000315, 1112000315
item #1005EX6Z
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Thermostat Housing Assembly with Thermostat for Mercedes-Benz Metris 2016-2019
A-Premium®Part # APTHA0238
Thermostat Housing Assembly with Thermostat for Mercedes-Benz Metris 2016-2019
4.685 Reviews
$115.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2016 - 2019 Mercedes-Benz Metris
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
ConditionNew
item #10183WKV
Note
This item comes with Thermostat and Sensor
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Engine Coolant Thermostat Housing Assembly for Mercedes-Benz C300 C350 E300
A-Premium®Part # APTHA0049
Engine Coolant Thermostat Housing Assembly for Mercedes-Benz C300 C350 E300
4.685 Reviews
$79.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2013 - 2014 Mercedes-Benz C300, 2012 - 2015 Mercedes-Benz C350, 2015 - 2016 Mercedes-Benz CLS400, 2017 - 2017 Mercedes-Benz CLS400, 2012 - 2016 Mercedes-Benz E300, 2012 - 2016 Mercedes-Benz E350, 2013 - 2015 Mercedes-Benz E400, 2016 - 2018 Mercedes-Benz GLE350, 2013 - 2015 Mercedes-Benz GLK350, 2012 - 2015 Mercedes-Benz ML350, 2012 - 2013 Mercedes-Benz R350, 2012 - 2016 Mercedes-Benz SLK350
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
MaterialPlastic
ColorBlack
item #1003CXDQ
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Engine Coolant Thermostat for Ford Explorer Volkswagen Jetta Mercedes-Benz 87℃
A-Premium®Part # APTHE094
Engine Coolant Thermostat for Ford Explorer Volkswagen Jetta Mercedes-Benz 87℃
4.685 Reviews
$17.99
Low stock: Only 3 left
Edit ZIP code
2-year warranty
90 days free return
Fits 1966 - 1967 Mercedes-Benz 200, 1986 - 1991 Volkswagen Transporter, 1987 - 1990 Volvo 780, 2007 - 2010 Ford Explorer Sport Trac, 1976 - 1979 Volvo 265, 1984 - 1985 Renault Fuego, 1990 - 1991 Mercedes-Benz 300CE, 1966 - 1966 Mercedes-Benz 230S, 1982 - 1984 Peugeot 604, 1977 - 1979 Peugeot 604, 1978 - 1982 Porsche 928, 1963 - 1966 Mercedes-Benz 230SL, 1980 - 1982 Volvo 264, 1981 - 1984 Mercedes-Benz L1116, 1990 - 1992 Dodge Monaco, 1976 - 1976 Volvo 262, 1968 - 1972 Mercedes-Benz 280SE, 1992 - 1993 Volkswagen Corrado, 1979 - 1981 Peugeot 604, 1990 - 1993 Mercedes-Benz 300SL
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
ConditionNew
item #1018814Y
Note
Start to Open Temperature: 87℃.
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Engine Coolant Thermostat Housing Assembly for Mercedes-Benz CLA250 2014-2017
A-Premium®Part # APTHA0076
Engine Coolant Thermostat Housing Assembly for Mercedes-Benz CLA250 2014-2017
4.685 Reviews
$80.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2014 - 2017 Mercedes-Benz CLA250, 2014 - 2017 Mercedes-Benz CLA250, 2014 - 2017 Mercedes-Benz CLA45 AMG, 2015 - 2017 Mercedes-Benz GLA250, 2015 - 2017 Mercedes-Benz GLA250, 2015 - 2017 Mercedes-Benz GLA45 AMG
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
ColorBlack
Part interchange
V30990197, A2702000615, A2702000415
item #1000GW7H
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A-Premium APTHA0296 Engine Coolant Thermostat Housing Assembly
A-Premium®Part # APTHA0296
A-Premium APTHA0296 Engine Coolant Thermostat Housing Assembly
4.685 Reviews
$38.99
Low stock: Only 4 left
Edit ZIP code
2-year warranty
90 days free return
Fits 1992 - 1993 Mercedes-Benz 400E, 1992 - 1992 Mercedes-Benz 400SE, 1993 - 1993 Mercedes-Benz 400SEL, 1992 - 1993 Mercedes-Benz 500SEL, 1998 - 1999 Mercedes-Benz CL500, 1997 - 1997 Mercedes-Benz E420, 1994 - 1995 Mercedes-Benz E420, 1994 - 1994 Mercedes-Benz E500, 1994 - 1999 Mercedes-Benz S420, 1994 - 1999 Mercedes-Benz S500, 1994 - 1998 Mercedes-Benz SL500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
ColorNatural
ConditionNew
item #101568Z0
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Engine Coolant Thermostat Housing Assembly for Mercedes-Benz C300 15-18 E300 17-19
A-Premium®Part # APTHA0075
Engine Coolant Thermostat Housing Assembly for Mercedes-Benz C300 15-18 E300 17-19
4.685 Reviews
$108.99
Low stock: Only 5 left
Edit ZIP code
2-year warranty
90 days free return
Fits 2015 - 2018 Mercedes-Benz C300, 2016 - 2018 Mercedes-Benz C350e, 2017 - 2019 Mercedes-Benz E300, 2016 - 2019 Mercedes-Benz GLC300, 2017 - 2019 Mercedes-Benz SLC300, 2016 - 2016 Mercedes-Benz SLK300
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
ColorBlack
Part interchange
A2742000115, 2742003400, 2742003100
item #1000GW5Q
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Thermostat Housing Assembly for Mercedes-Benz C-class W211 W212 E-class W211
A-Premium®Part # APTHA0053
Thermostat Housing Assembly for Mercedes-Benz C-class W211 W212 E-class W211
4.685 Reviews
$59.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2006 - 2009 Mercedes-Benz C230, 2010 - 2012 Mercedes-Benz C250, 2012 - 2012 Mercedes-Benz C250, 2006 - 2009 Mercedes-Benz C280, 2008 - 2012 Mercedes-Benz C300, 2010 - 2011 Mercedes-Benz C300, 2006 - 2011 Mercedes-Benz C350, 2007 - 2009 Mercedes-Benz CLK280, 2006 - 2009 Mercedes-Benz CLK350, 2007 - 2009 Mercedes-Benz E280, 2006 - 2011 Mercedes-Benz E350, 2009 - 2009 Mercedes-Benz GLK280, 2009 - 2012 Mercedes-Benz GLK350, 2006 - 2011 Mercedes-Benz ML350, 2010 - 2011 Mercedes-Benz ML350, 2010 - 2011 Mercedes-Benz ML450, 2006 - 2011 Mercedes-Benz R350, 2012 - 2013 Mercedes-Benz S350, 2010 - 2013 Mercedes-Benz S400, 2010 - 2011 Mercedes-Benz SLK200
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
ColorNatural
item #1003CZ4X
Note
This part comes with a cover and thermostat.
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Thermostat Housing Assembly for Mercedes-Benz C300 E300 GLC350e SLC300 L4 2.0L
A-Premium®Part # APTHA0218
Thermostat Housing Assembly for Mercedes-Benz C300 E300 GLC350e SLC300 L4 2.0L
4.685 Reviews
$131.99
Low stock: Only 3 left
Edit ZIP code
2-year warranty
90 days free return
Fits 2019 - 2019 Mercedes-Benz Sprinter 2500, 2016 - 2017 Mercedes-Benz C350e, 2016 - 2019 Mercedes-Benz Metris, 2016 - 2016 Mercedes-Benz SLK300, 2016 - 2019 Mercedes-Benz GLC300, 2015 - 2018 Mercedes-Benz C300, 2019 - 2019 Mercedes-Benz Sprinter 1500, 2018 - 2019 Mercedes-Benz GLC350e, 2017 - 2019 Mercedes-Benz E300, 2017 - 2019 Mercedes-Benz SLC300
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
MaterialPlastic
item #10027RGL
Note
【Note-1】 This item comes with Thermostat and Sensor.
【Note-2】 Please see Compatibility description for fitment information.
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Thermostat Housing Assembly for Mercedes-Benz W205 C250 2012-2015 E250 SLK250
A-Premium®Part # APTHA0046
Thermostat Housing Assembly for Mercedes-Benz W205 C250 2012-2015 E250 SLK250
4.685 Reviews
$65.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2012 - 2015 Mercedes-Benz C250, 2014 - 2016 Mercedes-Benz E250, 2012 - 2012 Mercedes-Benz SLK250, 2013 - 2013 Mercedes-Benz SLK250, 2014 - 2015 Mercedes-Benz SLK250
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
ColorBlack
item #10047Y3W
Note
For Mercedes-Benz E250 2014-2016, this part only fits vehicles using gas not diesel.
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Engine Coolant Thermostat Housing Assembly for Mercedes-Benz C240 W203 S350
A-Premium®Part # APTHA0100
Engine Coolant Thermostat Housing Assembly for Mercedes-Benz C240 W203 S350
4.685 Reviews
$28.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2004 - 2008 Chrysler Crossfire, 2001 - 2005 Mercedes-Benz C240, 1998 - 2000 Mercedes-Benz C280, 2001 - 2005 Mercedes-Benz C320, 1998 - 2000 Mercedes-Benz C43 AMG, 2005 - 2006 Mercedes-Benz C55 AMG, 2005 - 2006 Mercedes-Benz C55 AMG, 2000 - 2006 Mercedes-Benz CL500, 2001 - 2002 Mercedes-Benz CL55 AMG, 1998 - 2005 Mercedes-Benz CLK320, 1999 - 2003 Mercedes-Benz CLK430, 2003 - 2006 Mercedes-Benz CLK500, 2003 - 2004 Mercedes-Benz CLK55 AMG, 2001 - 2006 Mercedes-Benz CLK55 AMG, 2006 - 2006 Mercedes-Benz CLS500, 1998 - 2004 Mercedes-Benz E320, 2005 - 2005 Mercedes-Benz E320, 1998 - 2002 Mercedes-Benz E430, 2003 - 2006 Mercedes-Benz E500, 2002 - 2002 Mercedes-Benz E55 AMG
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
Part interchange
902-5911, 85966, V30990110, A1122030275, A1122000015, 5098918AA, 1122000015, 1122030275, 
...View more
item #1005EZEU
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Thermostat Housing Assembly with Thermostat for Mercedes-Benz C220 S202 1997 2.2L
A-Premium®Part # APTHA0195
Thermostat Housing Assembly with Thermostat for Mercedes-Benz C220 S202 1997 2.2L
4.685 Reviews
$28.99
Low stock: Only 4 left
Edit ZIP code
2-year warranty
90 days free return
Fits 1997 - 1997 Mercedes-Benz C220
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
MaterialAluminum
Part interchange
50292K, 820598, V30990180, 6112000015, 6112031275
item #1002LSPG
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Thermostat Housing with O-Ring Assembly for Mercedes-Benz W202 C220 C230 SLK230
A-Premium®Part # APTHA0043
Thermostat Housing with O-Ring Assembly for Mercedes-Benz W202 C220 C230 SLK230
4.685 Reviews
$24.99
Edit ZIP code
2-year warranty
90 days free return
Fits 1994 - 1996 Mercedes-Benz C220, 1997 - 2000 Mercedes-Benz C230, 1998 - 2004 Mercedes-Benz SLK230
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
MaterialMetal
ColorNatural
item #1003CXCE
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A-Premium APTHA0303 Engine Coolant Thermostat Housing Assembly
A-Premium®Part # APTHA0303
A-Premium APTHA0303 Engine Coolant Thermostat Housing Assembly
4.685 Reviews
$161.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2019 - 2023 Mercedes-Benz C300, 2020 - 2023 Mercedes-Benz E350, 2020 - 2023 Mercedes-Benz GLC300, 2020 - 2023 Mercedes-Benz GLE350
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
ColorBlack
ConditionNew
item #1005V423
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Engine Coolant Thermostat for Mercedes-Benz W210 E300 96-98 W140 S350 300SD 85℃
A-Premium®Part # APTHE098
Engine Coolant Thermostat for Mercedes-Benz W210 E300 96-98 W140 S350 300SD 85℃
4.685 Reviews
$19.99
Low stock: Only 3 left
Edit ZIP code
2-year warranty
90 days free return
Fits 1986 - 1989 Mercedes-Benz 190D, 1990 - 1991 Mercedes-Benz 350SDL, 1987 - 1987 Mercedes-Benz 300TD, 1987 - 1987 Mercedes-Benz 300SDL, 1987 - 1987 Mercedes-Benz 300D, 1991 - 1991 Mercedes-Benz 350SD, 1991 - 1993 Mercedes-Benz 300D, 1996 - 1998 Mercedes-Benz E300, 1992 - 1993 Mercedes-Benz 300SD, 1984 - 1985 Mercedes-Benz 190D, 1994 - 1995 Mercedes-Benz S350
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
ConditionNew
item #101881LW
Note
【Note-1】 Start to Open Temperature: 85℃.
【Note-2】 This item is OE Specified Temperature.
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Thermostat Housing Assembly with Thermostat for CL550 E550 GLS550 ML350 S560 SL550
A-Premium®Part # APTHA0217
Thermostat Housing Assembly with Thermostat for CL550 E550 GLS550 ML350 S560 SL550
4.685 Reviews
$122.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2012 - 2012 Mercedes-Benz ML350, 2012 - 2012 Mercedes-Benz E550, 2013 - 2016 Mercedes-Benz GL550, 2017 - 2019 Mercedes-Benz GLS550, 2017 - 2017 Mercedes-Benz Maybach S550, 2012 - 2012 Mercedes-Benz ML63 AMG, 2012 - 2018 Mercedes-Benz CLS550, 2011 - 2012 Mercedes-Benz S63 AMG, 2011 - 2012 Mercedes-Benz CL550, 2012 - 2012 Mercedes-Benz E63 AMG, 2012 - 2017 Mercedes-Benz S550, 2013 - 2014 Mercedes-Benz GL450, 2019 - 2019 Mercedes-Benz S560, 2016 - 2018 Mercedes-Benz GLE550, 2012 - 2012 Mercedes-Benz ML550, 2011 - 2012 Mercedes-Benz CL63 AMG, 2012 - 2012 Mercedes-Benz CLS63 AMG, 2013 - 2020 Mercedes-Benz SL550
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
ConditionNew
item #1015HQ9R
Note
This item comes with Thermostat, Assembly.
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Engine Coolant Thermostat for Jeep XJ Cherokee 1985-1987 Lincoln Continental
A-Premium®Part # APTHA348PG
Engine Coolant Thermostat for Jeep XJ Cherokee 1985-1987 Lincoln Continental
4.685 Reviews
$20.99
Low stock: Only 1 left
Edit ZIP code
2-year warranty
90 days free return
Fits 1991 - 1992 Audi 80, 1988 - 1991 Audi 90, 1989 - 1991 Audi 100, 1989 - 1991 Audi 200, 1980 - 1986 Audi 4000, 1978 - 1988 Audi 5000, 1979 - 1983 Audi 5000, 1987 - 1988 Audi 5000, 1989 - 1991 Audi 100 Quattro, 1989 - 1991 Audi 200 Quattro, 1984 - 1987 Audi 4000 Quattro, 1986 - 1988 Audi 5000 Quattro, 1987 - 1988 Audi 5000 Quattro, 1988 - 1992 Audi 80 Quattro, 1988 - 1991 Audi 90 Quattro, 2002 - 2008 Audi A8 Quattro, 1981 - 1987 Audi Coupe, 1990 - 1991 Audi Coupe Quattro, 1983 - 1985 Audi Quattro, 1992 - 1994 Audi S4
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
ConditionNew
item #1018A76Z
Note
Start to Open Temperature: 80℃.
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Thermostat Housing Assembly for Mercedes E350 2011-2013 GL350 ML350 R350 V6 3.0L
A-Premium®Part # APTHA0251
Thermostat Housing Assembly for Mercedes E350 2011-2013 GL350 ML350 R350 V6 3.0L
4.685 Reviews
$30.99
Low stock: Only 4 left
Edit ZIP code
2-year warranty
90 days free return
Fits 2009 - 2009 Mercedes-Benz GL320, 2010 - 2011 Mercedes-Benz ML350, 2007 - 2008 Mercedes-Benz ML320, 2010 - 2012 Mercedes-Benz GL350, 2009 - 2009 Mercedes-Benz R320, 2007 - 2008 Mercedes-Benz GL320, 2009 - 2009 Mercedes-Benz ML320, 2010 - 2017 Mercedes-Benz Sprinter 3500, 2010 - 2012 Mercedes-Benz R350, 2007 - 2008 Mercedes-Benz R320, 2011 - 2013 Mercedes-Benz E350, 2010 - 2017 Mercedes-Benz Sprinter 2500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
MaterialAluminum
ConditionNew
item #10183R9U
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Engine Coolant Thermostat Housing Assembly for Mercedes-Benz W205 C400 W213 E400
A-Premium®Part # APTHA0067
Engine Coolant Thermostat Housing Assembly for Mercedes-Benz W205 C400 W213 E400
4.685 Reviews
$69.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2015 - 2015 Mercedes-Benz C400, 2017 - 2022 Mercedes-Benz C43 AMG, 2016 - 2016 Mercedes-Benz C450 AMG, 2015 - 2017 Mercedes-Benz CLS400, 2017 - 2017 Mercedes-Benz CLS400, 2014 - 2018 Mercedes-Benz E400, 2017 - 2018 Mercedes-Benz E400, 2017 - 2018 Mercedes-Benz E43 AMG, 2019 - 2020 Mercedes-Benz E450, 2015 - 2016 Mercedes-Benz GL450, 2017 - 2022 Mercedes-Benz GLC43 AMG, 2016 - 2019 Mercedes-Benz GLE400, 2017 - 2019 Mercedes-Benz GLE43 AMG, 2019 - 2019 Mercedes-Benz GLE450, 2016 - 2016 Mercedes-Benz GLE450 AMG, 2017 - 2019 Mercedes-Benz GLS450, 2015 - 2015 Mercedes-Benz ML400, 2018 - 2020 Mercedes-Benz S450, 2015 - 2017 Mercedes-Benz S550e, 2019 - 2020 Mercedes-Benz S560e
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
ColorBlack
Part interchange
902-5843, 9025843, 2762000315
item #1000GZN9
Show less
Page 1 of 5

What is an engine thermostat?

 While all engines can become too hot, if your thermostat isn't working correctly, your engine's well-being is at serious risk. The engine thermostat, often simply referred to as a thermostat, regulates the engine's operating temperature within an optimal range (typically around 195 to 220 degrees Fahrenheit).

How does a car thermostat work?

As a temperature-sensitive valve within the cooling system, a car thermostat responds to changes in coolant temperature. Understanding how it works by the following breakdown steps:

  • Closed position (cold start)

Initially closed to help the engine warm up quickly.

  • Heating up

The engine generates heat during operation.

  • Opening the thermostat

A temperature-sensitive element (usually wax) causes the thermostat to open gradually.

  • Coolant flow

When open, coolant flows from the engine to the radiator.

  • Maintaining optimal temperature

Adjusts coolant flow to maintain the ideal engine temperature.

  • Temperature regulation

Continuously adjusts to prevent overheating and ensure efficient operation.

Signs of a bad thermostat

  1. Overheating: The engine becomes excessively hot due to a stuck-closed thermostat.
  2. Low or fluctuating temperature: A thermostat stuck open results in a cooler engine, affecting fuel efficiency and heating.
  3. Temperature warning light: Illuminates to indicate engine overheating due to a faulty thermostat.
  4. Poor fuel efficiency: Stuck-open thermostat reduces fuel efficiency as the engine operates less efficiently at lower temperatures.
  5. Inadequate cabin heating: Insufficient cabin heating in cold weather with a thermostat that's stuck open.
  6. Coolant leaks: Gasket or sealing issues can lead to coolant leaks.
  7. Rapid temperature fluctuations: The gauge shows rapid swings between hot and cold.
  8. Engine running hot at idle: Higher engine temperature during idle or in traffic due to restricted coolant flow.
  9. Slow or inconsistent warm-up: Longer-than-normal warm-up times, even in moderate weather.
  10. Inconsistent heater operation: This affects the performance of the vehicle's heater, causing inconsistent or inadequate heating in cold weather.

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