Thermostat

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Because of the intense heat that your vehicle generates, something needs to be in place to make sure those temperatures stay at safe levels for operation. To do this, your vehicle contains a thermostat that is located between the engine and the radiator to help record and regulate internal temperatures. This little component makes sure the flow of coolant stays regulated, ensuring that nothing gets too hot or too cold. When your thermostat begins to age, however, problems can arise and it can no longer properly regulate temperature. Whenever it is time to get your vehicle's thermostat replaced, make sure to do it through Mercedes Benz Parts Store. Mercedes Benz Parts Store provides customers with OEM thermostats that are made specifically for Mercedes vehicles. These parts are high-quality and crafted with care to create a long-lasting and durable component. Below, you can see all of the different OEM thermostat options we have to offer. Find the one that most appeals to you and Mercedes Benz Part Source will handle the rest. Start shopping now and get your Benz running at the temperatures it needs.

Thermostat
Part Number: 000-501-09-65
Other Names: Oil Cooler Thermostat More Names
Description: 4.6L - v8. More Info
Notes: Included with trans cooler. More Notes
Fits:
  • Mercedes-Benz:
    • S 550
$155.00
$113.46
$155.00
$113.46
Thermostat
Part Number: 272-200-06-15
Other Names: Coolant Thermostat More Names
Replaces: 273-200-04-15
Description: E550. 5.5L, 2007-09. 5.5L, 2007-11. Cls550. More Info
Notes: Includes Housing. More Notes
Fits:
  • Mercedes-Benz:
    • CLK 550,
    • CLS 550,
    • E 550
$195.00
$136.89
$195.00
$136.89
Thermostat
Part Number: 278-200-01-15
Other Names: Coolant Thermostat More Names
Description: 5.5L. Slk55 amg. More Info
Notes: Includes Thermostat Housing. More Notes
Fits:
  • Mercedes-Benz:
    • SLK 55 AMG®
$270.00
$189.54
$270.00
$189.54
Thermostat
Part Number: 642-200-21-15
Other Names: Coolant Thermostat More Names
Replaces: 642-200-04-15
Description: Diesel. E320. More Info
Notes: Includes Housing. More Notes
Fits:
  • Mercedes-Benz:
    • E 320
$214.00
$139.23
$214.00
$139.23
Thermostat
Part Number: 166-501-02-65
Other Names: Oil Cooler Thermostat More Names
Description: Coupe, 3.0l biturbo. More Info
Fits:
  • Mercedes-Benz:
    • GLE 43 AMG®,
    • GLE 450 AMG®
$144.00
$104.92
$144.00
$104.92
Thermostat Spring
Part Number: 000-993-12-02
Positions: Left Lower, Left Upper, Right Lower, Right Upper
Other Names: Lower Hose Clamp, Upper Hose Clamp, Inlet Pipe Spring, Water Inlet Spring, Water Pipe Spring, Engine Coolant Inlet Flange C-Clip,... More Names
Notes: Included with radiator. Included with upper hose. Included with inlet pipe. Included with water inlet. Included with thermostat unit. More Notes
Fits:
  • Mercedes-Benz:
    • C 300,
    • C 350,
    • C 63 AMG®,
    • CL 550,
    • CL 63 AMG®,
    • CLK 550,
    • CLK 63 AMG®,
    • CLS 400,
    • CLS 550,
    • E 350,
    • E 400,
    • E 550,
    • E 63 AMG®,
    • E 63 AMG® S,
    • G 550,
    • GL 450,
    • GL 550,
    • GL 63 AMG®,
    • GLC 43 AMG®,
    • GLC 63 AMG®,
    • GLC 63 AMG® S,
    • GLE 350,
    • GLE 400,
    • GLE 43 AMG®,
    • GLE 450 AMG®,
    • GLE 550e,
    • GLE 63 AMG® S,
    • GLK 350,
    • GLS 450,
    • GLS 550,
    • GLS 63 AMG®,
    • ML 350,
    • ML 400,
    • ML 450,
    • ML 550,
    • ML 63 AMG®,
    • R 350,
    • S 400,
    • S 550,
    • S 63 AMG®,
    • SL 400,
    • SL 450,
    • SL 550,
    • SLC 43 AMG®,
    • SLK 250,
    • SLK 350,
    • SLK 55 AMG®
  • 42 more
$3.70
$2.79
$3.70
$2.79
Thermostat Seal
Part Number: 276-201-06-80-64
Other Names: Thermostat Gasket, Engine Coolant Thermostat Gasket, Thermostat Unit Gasket, Thermostat Unit Seal, Elastomer-Molded Seal More Names
Replaces: 276-201-01-80, 276-201-06-80
Notes: Included with thermostat unit. More Notes
Fits:
  • Mercedes-Benz:
    • C 300,
    • C 350,
    • C 400,
    • C 43 AMG®,
    • C 450 AMG®,
    • CLS 400,
    • E 350,
    • E 400,
    • E 43 AMG®,
    • E 450,
    • GL 450,
    • GLC 43 AMG®,
    • GLE 350,
    • GLE 400,
    • GLE 43 AMG®,
    • GLE 450 AMG®,
    • GLE 550e,
    • GLK 350,
    • GLS 450,
    • ML 350,
    • ML 400,
    • R 350,
    • S 450,
    • S 550e,
    • SL 400,
    • SL 450,
    • SLC 43 AMG®,
    • SLK 350
  • 23 more
$3.40
$2.54
$3.40
$2.54
Thermostat Unit
Part Number: 272-200-04-15
Other Names: Thermostat, Coolant Thermostat More Names
Replaces: 272-200-00-15, 272-200-01-15
Description: C300, c300 4-matic. More Info
Notes: Includes Thermostat Housing. More Notes
Fits:
  • Mercedes-Benz:
    • C 230,
    • C 280,
    • C 300,
    • C 350,
    • CLK 350,
    • E 350,
    • E 550,
    • GLK 350,
    • ML 350,
    • ML 450,
    • R 350,
    • S 400,
    • SLK 280,
    • SLK 300,
    • SLK 350
  • 10 more
$120.00
$87.23
$120.00
$87.23
Thermostat Retainer
Part Number: 000-993-25-02-64
Other Names: Thermostat Unit Spring, Gasket Clip, Thermostat Clip, Thermostat Retainer Spring, Catch Spring, Detent Spring More Names
Replaces: 000-993-25-02
Description: 2.0L, c350e. Glk/glc, 2.0l. Coupe, 2017-19. Coupe/convertible, 2.0L, 2017-18. Sedan, 2.0L, c300 2015-18. 2.0l, with hybrid. More Info
Notes: Included with water pump. Included with thermostat unit. More Notes
Fits:
  • Mercedes-Benz:
    • C 300,
    • C 350e,
    • E 300,
    • GLC 300,
    • GLC 350e,
    • Metris,
    • SLC 300,
    • SLK 300
  • 3 more
$1.40
$1.02
$1.40
$1.02
Thermostat Gasket
Part Number: 112-203-00-76
Other Names: Engine Coolant Thermostat Gasket, Thermostat Seal, Thermostat Housing Seal, Gasket, Thermostat Unit Gasket More Names
Notes: Included with flange. Included with thermostat housing. More Notes
Fits:
  • Mercedes-Benz:
    • C 240,
    • C 280,
    • C 32 AMG®,
    • C 320,
    • C 43 AMG®,
    • C 55 AMG®,
    • CL 500,
    • CL 55 AMG®,
    • CLK 320,
    • CLK 430,
    • CLK 500,
    • CLK 55 AMG®,
    • CLS 500,
    • CLS 55 AMG®,
    • E 320,
    • E 430,
    • E 500,
    • E 55 AMG®,
    • G 500,
    • G 55 AMG®,
    • ML 320,
    • ML 350,
    • ML 430,
    • ML 500,
    • ML 55 AMG®,
    • R 350,
    • R 500,
    • S 350,
    • S 430,
    • S 500,
    • S 55 AMG®,
    • SL 500,
    • SL 55 AMG®,
    • SLK 32 AMG®,
    • SLK 320,
    • SLK 55 AMG®,
    • SLR McLaren
  • 32 more
$3.50
$2.67
$3.50
$2.67
Thermostat Clamp
Part Number: 000-991-47-00
Other Names: Thermostat Unit Clamp, Mounting Clamp More Names
Description: Glb250. Coupe, convertible, i6-3.0l. More Info
Notes: Included with thermostat unit. More Notes
Fits:
  • Mercedes-Benz:
    • AMG® GT 53,
    • CLS 450,
    • CLS 53 AMG®,
    • E 53 AMG®,
    • GLB 250,
    • GLE 450
  • 1 more
$2.70
$2.03
$2.70
$2.03
Thermostat Housing
Part Number: 112-203-03-75
Other Names: Thermostat, Thermostat Element More Names
Replaces: 112-200-01-15
Description: C32. 3.2L, with supercharger. Slk32. More Info
Fits:
  • Mercedes-Benz:
    • C 32 AMG®,
    • SLK 32 AMG®
$45.00
$34.29
$45.00
$34.29
Thermostat Unit
Part Number: 113-203-03-75
Other Names: Thermostat, Thermostat Element More Names
Description: Slk55 amg. 5.5L. More Info
Fits:
  • Mercedes-Benz:
    • SLK 55 AMG®
$145.00
$106.14
$145.00
$106.14
Thermostat Housing
Part Number: 117-203-01-74
Other Names: Engine Coolant Thermostat Housing, Cover, Thermostat More Names
Description: 420sel, 560sec, 560sel. More Info
Fits:
  • Mercedes-Benz:
    • 420 SEL,
    • 560 SEC,
    • 560 SEL,
    • 560 SL
$117.00
$85.40
$117.00
$85.40
Thermostat Housing
Part Number: 177-200-08-15
Other Names: Engine Thermostat More Names
Description: 4.0L. S63 amg. E63 amg s. Coupe, convertible, s63. Amg gt 63 s. More Info
Notes: Includes Thermostat. More Notes
Fits:
  • Mercedes-Benz:
    • AMG® GT 63,
    • AMG® GT 63 S,
    • E 63 AMG®,
    • E 63 AMG® S,
    • S 63 AMG®
$640.00
$440.45
$640.00
$440.45
Thermostat Housing
Part Number: 272-200-05-15
Other Names: Thermostat, Coolant Thermostat More Names
Replaces: 273-200-02-15
Notes: Includes Housing And Gasket. Includes Thermostat Housing. More Notes
Fits:
  • Mercedes-Benz:
    • CL 550,
    • E 550,
    • G 550,
    • GL 450,
    • GL 550,
    • ML 550,
    • S 550,
    • SL 550
  • 3 more
$135.00
$98.82
$135.00
$98.82
Thermostat Housing
Part Number: 601-203-01-74
Other Names: Engine Coolant Thermostat Housing, Cover, Cover, Thermostat More Names
Description: 300d, e300 diesel. 190. 300d 2.5 turbo. More Info
Fits:
  • Mercedes-Benz:
    • 190 D,
    • 300 D,
    • 300 SDL,
    • 300 TD,
    • 350 SD,
    • 350 SDL
  • 1 more
$114.00
$78.08
$114.00
$78.08
Thermostat Housing
Part Number: 111-200-13-03
Positions: Lower
Other Names: Engine Coolant Thermostat Housing, Thermostat Cover More Names
Description: 2.3L. Slk230. 2.2L. More Info
Fits:
  • Mercedes-Benz:
    • C 220,
    • C 230,
    • SLK 230
$124.00
$85.40
$124.00
$85.40
Thermostat Housing
Part Number: 120-203-00-73
Other Names: Thermostat, Housing, Thermostat More Names
Description: 600sel & s600. Sl600, sl65 amg. Cl600. More Info
Fits:
  • Mercedes-Benz:
    • 600 SEC,
    • 600 SEL,
    • 600 SL,
    • CL 600,
    • S 600,
    • SL 600
  • 1 more
$264.00
$184.86
$264.00
$184.86
Thermostat Unit
Part Number: 270-200-22-00
Other Names: Thermostat More Names
Replaces: 270-200-06-15
Description: With high output. Gla250. Cla250. Cla45 amg. Gla45 amg. More Info
Notes: Includes Thermostat Housing. More Notes
Fits:
  • Mercedes-Benz:
    • CLA 250,
    • CLA 45 AMG®,
    • GLA 250,
    • GLA 45 AMG®
$175.00
$122.85
$175.00
$122.85
Thermostat Unit
Part Number: 274-200-34-00
Other Names: Thermostat More Names
Replaces: 274-200-07-15, 274-200-43-00
Description: Glc300. E300. Slc300. Coupe, 2017-19. Coupe, convertible, 2.0L, 2017-18. Slk300. More Info
Notes: Includes Thermostat Housing. More Notes
Fits:
  • Mercedes-Benz:
    • C 300,
    • E 300,
    • GLC 300,
    • SLC 300,
    • SLK 300
$184.00
$128.70
$184.00
$128.70
Thermostat Unit
Part Number: 276-200-03-15
Other Names: Thermostat, Coolant Thermostat More Names
Notes: Includes Thermostat Housing. More Notes
Fits:
  • Mercedes-Benz:
    • C 400,
    • C 43 AMG®,
    • C 450 AMG®,
    • CLS 400,
    • E 400,
    • E 43 AMG®,
    • E 450,
    • GL 450,
    • GLC 43 AMG®,
    • GLE 400,
    • GLE 43 AMG®,
    • GLE 450 AMG®,
    • GLE 550e,
    • GLS 450,
    • ML 400,
    • S 450,
    • S 550e,
    • SL 400,
    • SL 450,
    • SLC 43 AMG®
  • 15 more
$214.00
$149.76
$214.00
$149.76
Thermostat Unit
Part Number: 177-200-39-00
Other Names: Thermostat, Temp Sensor More Names
Replaces: 177-200-06-15
Description: C63amg, c63amg s. G550. Coupe, convertible, 4.0L. Glc63 amg s. S560 4matic. Sedan, s560. Gle580. G63 amg. S560 cabriolet. Suv, 4.0l. More Info
Notes: Included with thermostat housing. More Notes
Fits:
  • Mercedes-Benz:
    • C 63 AMG®,
    • C 63 AMG® S,
    • G 550,
    • G 63 AMG®,
    • GLC 63 AMG®,
    • GLC 63 AMG® S,
    • GLE 580,
    • GLS 580,
    • S 560
  • 4 more
$204.00
$142.74
$204.00
$142.74
Thermostat Housing
Part Number: 177-200-55-00
Other Names: Engine Coolant Thermostat Kit, Thermostat Unit, Thermostat More Names
Replaces: 177-200-00-00, 177-200-05-15, 177-200-35-00
Fits:
  • Mercedes-Benz:
    • AMG® GT,
    • AMG® GT 63,
    • AMG® GT 63 S,
    • AMG® GT C,
    • AMG® GT R,
    • AMG® GT S,
    • C 63 AMG®,
    • C 63 AMG® S,
    • G 550,
    • G 550 4x4,
    • G 63 AMG®,
    • GLC 63 AMG®,
    • GLC 63 AMG® S,
    • GLE 580,
    • GLS 580,
    • Maybach S 560,
    • S 560,
    • S 63 AMG®
  • 13 more
$615.00
$423.20
$615.00
$423.20
Thermostat Unit
Part Number: 274-200-31-00
Other Names: Thermostat More Names
Replaces: 274-200-01-15, 274-200-42-00
Description: Sedan, 2.0L, c300 2015-18. 2.0L, c350e. Glk/glc, 2.0l. Glc350e. 2.0l, with hybrid. More Info
Notes: Includes Thermostat Housing. More Notes
Fits:
  • Mercedes-Benz:
    • C 300,
    • C 350e,
    • GLC 300,
    • GLC 350e,
    • SLK 300
$210.00
$146.25
$210.00
$146.25
Thermostat Housing
Part Number: 119-203-00-74
Other Names: Thermostat Cover, Engine Coolant Thermostat Housing, Cover, Thermostat More Names
Description: 400 & 500 series. To Engine 020771. 500sec, 500sel, s500. 500sl, sl500. To Engine 010204. 400se, 400sel, s420. More Info
Fits:
  • Mercedes-Benz:
    • 400 E,
    • 400 SE,
    • 400 SEL,
    • 500 E,
    • 500 SEC,
    • 500 SEL,
    • 500 SL,
    • E 420,
    • E 500,
    • S 420,
    • S 500,
    • SL 500
  • 7 more
$37.00
$27.94
$37.00
$27.94
Thermostat Housing
Part Number: 120-200-00-15
Other Names: Thermostat, Cooling Water Thermostat More Names
Description: 600sec, 600sel, s600. Sl600, sl65 amg. 600sl, sl600. More Info
Fits:
  • Mercedes-Benz:
    • 600 SEC,
    • 600 SEL,
    • 600 SL,
    • CL 600,
    • S 600,
    • SL 600
  • 1 more
$109.00
$70.76
$109.00
$70.76
Thermostat Housing
Part Number: 103-203-07-74
Other Names: Thermostat Cover, Oil Filter, Oil Filter Adapter, Engine Coolant Thermostat Housing, Cover, Fan Blade, Fan Clutch, Water Pump,... More Names
Replaces: 103-200-01-17, 103-203-02-74, 103-203-05-74, 104-203-01-74
Fits:
  • Mercedes-Benz:
    • 190 E,
    • 260 E,
    • 300 CE,
    • 300 E,
    • 300 SE,
    • 300 SEL,
    • 300 SL,
    • 300 TE,
    • C 280,
    • C 36 AMG®,
    • E 320,
    • S 320,
    • SL 320
  • 8 more
$13.50
$10.29
$13.50
$10.29
Thermostat Housing
Part Number: 111-200-16-15
Other Names: Thermostat More Names
Description: Slk230. C230. 2.3L & 1.8L, 2.3L. More Info
Fits:
  • Mercedes-Benz:
    • C 230,
    • SLK 230
$185.00
$129.87
$185.00
$129.87
Thermostat Housing
Part Number: 139-200-22-01
Other Names: Thermostat More Names
Description: Cla45 amg. More Info
Fits:
  • Mercedes-Benz:
    • CLA 45 AMG®
$169.00
$118.17
$169.00
$118.17
Thermostat Unit
Part Number: 260-200-29-00
Other Names: Thermostat More Names
Replaces: 260-200-09-00, 260-200-26-00
Description: A220. Cla250. Glb250. Cla35 amg. More Info
Notes: Includes Thermostat Housing. More Notes
Fits:
  • Mercedes-Benz:
    • A 220,
    • A 35 AMG®,
    • CLA 250,
    • CLA 35 AMG®,
    • GLB 250
$92.00
$67.10
$92.00
$67.10
Thermostat Housing
Part Number: 271-200-03-15
Other Names: Thermostat, Thermostat Unit, Coolant Thermostat More Names
Replaces: 271-200-01-15, 271-200-02-15
Description: C250. 1.8L. Slk250. More Info
Notes: Includes Gasket, Thermostat Housing And Coolant Temp Sensor. More Notes
Fits:
  • Mercedes-Benz:
    • C 250,
    • SLK 250
$206.00
$143.91
$206.00
$143.91
Thermostat Unit
Part Number: 274-200-33-00
Other Names: Thermostat More Names
Replaces: 274-200-06-15
Description: Metris. More Info
Notes: Includes Thermostat Housing. More Notes
Fits:
  • Mercedes-Benz:
    • Metris
$195.00
$136.89
$195.00
$136.89
Thermostat Unit
Part Number: 276-200-05-15
Other Names: Thermostat, Coolant Thermostat More Names
Replaces: 276-200-01-15
Notes: Includes Thermostat Housing. More Notes
Fits:
  • Mercedes-Benz:
    • C 300,
    • C 350,
    • E 350,
    • E 400,
    • GLE 350,
    • GLK 350,
    • ML 350,
    • R 350,
    • SLK 350
  • 4 more
$187.00
$131.04
$187.00
$131.04
Thermostat O-Ring
Part Number: 015-997-61-45
Other Names: Engine Coolant Thermostat Gasket, Seal Ring, O-Ring, Thermostat Seal, Engine Coolant Thermostat Seal More Names
Notes: Included with thermostat. More Notes
Fits:
  • Mercedes-Benz:
    • C 230,
    • C 280,
    • C 300,
    • C 350,
    • CLK 350,
    • E 350,
    • GLK 350,
    • ML 350,
    • ML 450,
    • R 350,
    • S 400,
    • SLK 280,
    • SLK 300,
    • SLK 350,
    • SLK 55 AMG®
  • 10 more
$7.50
$5.59
$7.50
$5.59
Thermostat O-Ring
Part Number: 024-997-95-45
Positions: Front, Rear
Other Names: Thermostat Unit O-Ring, Gasket, Thermostat Gasket, O-Ring More Names
Description: 2.0L, front. 2.0L, c350e. Glk/glc, 2.0l, rear. Coupe, 2017-19, rear. Coupe, convertible, 2.0L, 2017-18. Sedan, 2.0L, c300 2015-18. 2.0l,... More Info
Notes: Included with water pump. Included with thermostat unit. More Notes
Fits:
  • Mercedes-Benz:
    • C 300,
    • C 350e,
    • E 300,
    • GLC 300,
    • GLC 350e,
    • Metris,
    • SLC 300,
    • SLK 300,
    • Sprinter 1500,
    • Sprinter 2500
  • 5 more
$1.50
$1.14
$1.50
$1.14
Thermostat Unit Seal
Part Number: 278-201-02-80
Other Names: Gasket, Thermostat Seal, Water Pump Assembly O-Ring, Water Pump Seal, Thermostat Gasket, Water Pump O-Ring, Elastomer-Molded Seal More Names
Notes: Included with thermostat. Included with Water pump assembly. More Notes
Fits:
  • Mercedes-Benz:
    • CL 550,
    • CL 63 AMG®,
    • CLS 550,
    • CLS 63 AMG®,
    • CLS 63 AMG® S,
    • E 550,
    • E 63 AMG®,
    • E 63 AMG® S,
    • G 63 AMG®,
    • GL 450,
    • GL 550,
    • GL 63 AMG®,
    • GLE 63 AMG®,
    • GLE 63 AMG® S,
    • GLS 550,
    • GLS 63 AMG®,
    • ML 550,
    • ML 63 AMG®,
    • S 550,
    • S 63 AMG®,
    • SL 550,
    • SL 63 AMG®,
    • SLK 55 AMG®
  • 18 more
$2.70
$2.03
$2.70
$2.03
Engine Coolant Thermostat
Part Number: 116-200-03-15
Other Names: Thermostat More Names
Description: 80 Degrees C. 400 & 500 series. To Engine 020771. To Engine 010204. To Engine 013777. To Engine 056885. Sl500. More Info
Fits:
  • Mercedes-Benz:
    • 400 E,
    • 400 SE,
    • 400 SEL,
    • 420 SEL,
    • 500 E,
    • 500 SEC,
    • 500 SEL,
    • 500 SL,
    • 560 SEC,
    • 560 SEL,
    • 560 SL,
    • E 420,
    • E 500,
    • S 420,
    • S 500,
    • SL 500
  • 11 more
$69.00
$45.51
$69.00
$45.51
Engine Coolant Thermostat
Part Number: 602-200-00-15
Other Names: Thermostat More Names
Description: 300d, e300 diesel. 80 Degrees C. 300sd & s350 diesel. 300sd, s350 turbo. More Info
Fits:
  • Mercedes-Benz:
    • 190 D,
    • 300 D,
    • 300 SD,
    • 300 SDL,
    • 300 TD,
    • 350 SD,
    • 350 SDL,
    • E 300,
    • S 350
  • 4 more
$45.00
$34.29
$45.00
$34.29
Engine Coolant Thermostat
Part Number: 617-200-18-15
Other Names: Thermostat More Names
Description: 80 Degrees C. More Info
Fits:
  • Mercedes-Benz:
    • 300 CD,
    • 300 D,
    • 300 SD,
    • 300 TD
$34.50
$26.04
$34.50
$26.04
Engine Coolant Thermostat
Part Number: 110-200-05-15
Other Names: Thermostat More Names
Replaces: 002-203-37-75
Fits:
  • Mercedes-Benz:
    • 190 E,
    • 260 E,
    • 300 CE,
    • 300 D,
    • 300 E,
    • 300 SE,
    • 300 SEL,
    • 300 SL,
    • 300 TE,
    • C 280,
    • C 36 AMG®,
    • E 300,
    • E 320,
    • S 320,
    • SL 320
  • 10 more
$57.00
$41.82
$57.00
$41.82

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