Radiator Coolant Overflow Expansion Tank 1978-91 Mercedes 116 123 126 500 15 49
Radiator Coolant Overflow Expansion Tank 1978-91 Mercedes 116 123 126 500 15 49
Radiator Coolant Overflow Expansion Tank 1978-91 Mercedes 116 123 126 500 15 49
Radiator Coolant Overflow Expansion Tank 1978-91 Mercedes 116 123 126 500 15 49
Radiator Coolant Overflow Expansion Tank 1978-91 Mercedes 116 123 126 500 15 49
Radiator Coolant Overflow Expansion Tank 1978-91 Mercedes 116 123 126 500 15 49
Radiator Coolant Overflow Expansion Tank 1978-91 Mercedes 116 123 126 500 15 49
Radiator Coolant Overflow Expansion Tank 1978-91 Mercedes 116 123 126 500 15 49
Radiator Coolant Overflow Expansion Tank 1978-91 Mercedes 116 123 126 500 15 49
  • Load image into Gallery viewer, Radiator Coolant Overflow Expansion Tank 1978-91 Mercedes 116 123 126 500 15 49
  • Load image into Gallery viewer, Radiator Coolant Overflow Expansion Tank 1978-91 Mercedes 116 123 126 500 15 49
  • Load image into Gallery viewer, Radiator Coolant Overflow Expansion Tank 1978-91 Mercedes 116 123 126 500 15 49
  • Load image into Gallery viewer, Radiator Coolant Overflow Expansion Tank 1978-91 Mercedes 116 123 126 500 15 49
  • Load image into Gallery viewer, Radiator Coolant Overflow Expansion Tank 1978-91 Mercedes 116 123 126 500 15 49
  • Load image into Gallery viewer, Radiator Coolant Overflow Expansion Tank 1978-91 Mercedes 116 123 126 500 15 49
  • Load image into Gallery viewer, Radiator Coolant Overflow Expansion Tank 1978-91 Mercedes 116 123 126 500 15 49
  • Load image into Gallery viewer, Radiator Coolant Overflow Expansion Tank 1978-91 Mercedes 116 123 126 500 15 49
  • Load image into Gallery viewer, Radiator Coolant Overflow Expansion Tank 1978-91 Mercedes 116 123 126 500 15 49

Radiator Coolant Overflow Expansion Tank 1978-91 Mercedes 116 123 126 500 15 49

Regular price
$24.90
Sale price
$24.90
Regular price
Sold out
Unit price
per 
Shipping calculated at checkout.

Radiator Coolant Overflow Expansion Tank for 1978 - 1991 Mercedes W116, W123 and W126 models.

  • This is the newest version of this tank, and has the hole for the coolant level sensor.

  • All models prior to 1986 did not have a level sensor so if updating to the newer style tank, with the hole, a plug kit will be needed also.

  • We also sell the following separately:

  • Please check part numbers and compatibility chart for proper fitment, or Contact Us with your VIN to confirm.

  • For additional parts recommended for this repair, please Contact Us, or search our store for your year, make, and/or model.

See If This Fits My Car

Year

Make Model Trim Engine Note
1973 Mercedes-Benz 300SEL Base 4.5L 4520CC V8 GAS SOHC Naturally Aspirated  
1973 Mercedes-Benz 450SE Base 4.5L 4520CC V8 GAS SOHC Naturally Aspirated  
1973 Mercedes-Benz 450SEL Base 4.5L 4520CC V8 GAS SOHC Naturally Aspirated  
1974 Mercedes-Benz 450SE Base 4.5L 4520CC V8 GAS SOHC Naturally Aspirated  
1974 Mercedes-Benz 450SEL Base 4.5L 4520CC V8 GAS SOHC Naturally Aspirated  
1975 Mercedes-Benz 450SE Base Sedan 4-Door 4.5L 4520CC V8 GAS SOHC Naturally Aspirated  
1975 Mercedes-Benz 450SEL Base Sedan 4-Door 4.5L 4520CC V8 GAS SOHC Naturally Aspirated  
1976 Mercedes-Benz 450SE Base Sedan 4-Door 4.5L 4520CC V8 GAS SOHC Naturally Aspirated  
1976 Mercedes-Benz 450SEL Base Sedan 4-Door 4.5L 4520CC V8 GAS SOHC Naturally Aspirated  
1977 Mercedes-Benz 450SEL Base Sedan 4-Door 4.5L 4520CC V8 GAS SOHC Naturally Aspirated  
1977 Mercedes-Benz 450SEL 6.9 Sedan 4-Door 6.8L 6835CC V8 GAS SOHC Naturally Aspirated  
1978 Mercedes-Benz 300SD Base Sedan 4-Door 3.0L 3005CC l5 DIESEL SOHC Turbocharged  
1978 Mercedes-Benz 450SEL 6.9 Sedan 4-Door 6.8L 6835CC V8 GAS SOHC Naturally Aspirated  
1978 Mercedes-Benz 450SEL Base Sedan 4-Door 4.5L 4520CC V8 GAS SOHC Naturally Aspirated  
1979 Mercedes-Benz 300SD Base Sedan 4-Door 3.0L 3005CC l5 DIESEL SOHC Turbocharged  
1979 Mercedes-Benz 450SEL 6.9 Sedan 4-Door 6.8L 6835CC V8 GAS SOHC Naturally Aspirated  
1979 Mercedes-Benz 450SEL Base Sedan 4-Door 4.5L 4520CC V8 GAS SOHC Naturally Aspirated  
1980 Mercedes-Benz 300SD Base Sedan 4-Door 3.0L 3005CC l5 DIESEL SOHC Turbocharged  
1980 Mercedes-Benz 450SEL Base Sedan 4-Door 4.5L 4520CC V8 GAS SOHC Naturally Aspirated  
1981 Mercedes-Benz 300SD Base Sedan 4-Door 3.0L 3005CC l5 DIESEL SOHC Turbocharged  
1982 Mercedes-Benz 300CD Base Coupe 2-Door 3.0L 3005CC l5 DIESEL SOHC Turbocharged  
1982 Mercedes-Benz 300D Base Sedan 4-Door 3.0L 3005CC l5 DIESEL SOHC Turbocharged  
1982 Mercedes-Benz 300SD Base Sedan 4-Door 3.0L 3005CC l5 DIESEL SOHC Turbocharged  
1982 Mercedes-Benz 300TD Base Wagon 4-Door 3.0L 3005CC l5 DIESEL SOHC Turbocharged  
1982 Mercedes-Benz 380SEC Base Coupe 2-Door 3.8L 3839CC V8 GAS SOHC Naturally Aspirated  
1983 Mercedes-Benz 300CD Base Coupe 2-Door 3.0L 2998CC l5 DIESEL SOHC Turbocharged  
1983 Mercedes-Benz 300D Base Sedan 4-Door 3.0L 2998CC l5 DIESEL SOHC Turbocharged  
1983 Mercedes-Benz 300SD Base Sedan 4-Door 3.0L 2998CC l5 DIESEL SOHC Turbocharged  
1983 Mercedes-Benz 300TD Base Wagon 4-Door 3.0L 2998CC l5 DIESEL SOHC Turbocharged  
1983 Mercedes-Benz 380SEC Base Coupe 2-Door 3.8L 3839CC V8 GAS SOHC Naturally Aspirated  
1984 Mercedes-Benz 300CD Base Coupe 2-Door 3.0L 2998CC l5 DIESEL SOHC Turbocharged  
1984 Mercedes-Benz 300D Base Sedan 4-Door 3.0L 2998CC l5 DIESEL SOHC Turbocharged  
1984 Mercedes-Benz 300SD Base Sedan 4-Door 3.0L 2998CC l5 DIESEL SOHC Turbocharged  
1984 Mercedes-Benz 300TD Base Wagon 4-Door 3.0L 2998CC l5 DIESEL SOHC Turbocharged  
1984 Mercedes-Benz 380SE Base Sedan 4-Door 3.8L 3839CC V8 GAS SOHC Naturally Aspirated  
1984 Mercedes-Benz 500SEC Base Coupe 2-Door 5.0L 4973CC V8 GAS SOHC Naturally Aspirated  
1984 Mercedes-Benz 500SEL Base Sedan 4-Door 5.0L 4973CC V8 GAS SOHC Naturally Aspirated  
1985 Mercedes-Benz 300CD Base Coupe 2-Door 3.0L 2998CC l5 DIESEL SOHC Turbocharged Federal models ONLY, not for California models.
1985 Mercedes-Benz 300D Base Sedan 4-Door 3.0L 2998CC l5 DIESEL SOHC Turbocharged Federal models ONLY, not for California models.
1985 Mercedes-Benz 300SD Base Sedan 4-Door 3.0L 2998CC l5 DIESEL SOHC Turbocharged  
1985 Mercedes-Benz 300TD Base Wagon 4-Door 3.0L 2998CC l5 DIESEL SOHC Turbocharged Federal models ONLY, not for California models.
1985 Mercedes-Benz 380SE Base Sedan 4-Door 3.8L 3839CC V8 GAS SOHC Naturally Aspirated  
1985 Mercedes-Benz 500SEC Base Coupe 2-Door 5.0L 4973CC V8 GAS SOHC Naturally Aspirated  
1985 Mercedes-Benz 500SEL Base Sedan 4-Door 5.0L 4973CC V8 GAS SOHC Naturally Aspirated  
1986 Mercedes-Benz 420SEL Base Sedan 4-Door 4.2L 4196CC V8 GAS SOHC Naturally Aspirated  
1986 Mercedes-Benz 560SEC Base Coupe 2-Door 5.6L 5547CC V8 GAS SOHC Naturally Aspirated  
1986 Mercedes-Benz 560SEL Base Sedan 4-Door 5.6L 5547CC V8 GAS SOHC Naturally Aspirated  
1987 Mercedes-Benz 420SEL Base Sedan 4-Door 4.2L 4196CC V8 GAS SOHC Naturally Aspirated  
1987 Mercedes-Benz 560SEC Base Coupe 2-Door 5.6L 5547CC V8 GAS SOHC Naturally Aspirated  
1987 Mercedes-Benz 560SEL Base Sedan 4-Door 5.6L 5547CC V8 GAS SOHC Naturally Aspirated  
1988 Mercedes-Benz 300SE Base Sedan 4-Door 3.0L 2962CC l6 GAS SOHC Naturally Aspirated  
1988 Mercedes-Benz 300SEL Base Sedan 4-Door 3.0L 2962CC l6 GAS SOHC Naturally Aspirated  
1988 Mercedes-Benz 420SEL Base Sedan 4-Door 4.2L 4196CC V8 GAS SOHC Naturally Aspirated  
1988 Mercedes-Benz 560SEC Base Coupe 2-Door 5.6L 5547CC V8 GAS SOHC Naturally Aspirated  
1988 Mercedes-Benz 560SEL Base Sedan 4-Door 5.6L 5547CC V8 GAS SOHC Naturally Aspirated  
1989 Mercedes-Benz 300SE Base Sedan 4-Door 3.0L 2962CC l6 GAS SOHC Naturally Aspirated  
1989 Mercedes-Benz 300SEL Base Sedan 4-Door 3.0L 2962CC l6 GAS SOHC Naturally Aspirated  
1989 Mercedes-Benz 420SEL Base Sedan 4-Door 4.2L 4196CC V8 GAS SOHC Naturally Aspirated  
1989 Mercedes-Benz 560SEC Base Coupe 2-Door 5.6L 5547CC V8 GAS SOHC Naturally Aspirated  
1989 Mercedes-Benz 560SEL Base Sedan 4-Door 5.6L 5547CC V8 GAS SOHC Naturally Aspirated  
1990 Mercedes-Benz 300SE Base Sedan 4-Door 3.0L 2962CC l6 GAS SOHC Naturally Aspirated  
1990 Mercedes-Benz 300SEL Base Sedan 4-Door 3.0L 2962CC l6 GAS SOHC Naturally Aspirated  
1990 Mercedes-Benz 420SEL Base Sedan 4-Door 4.2L 4196CC V8 GAS SOHC Naturally Aspirated  
1990 Mercedes-Benz 560SEC Base Coupe 2-Door 5.6L 5547CC V8 GAS SOHC Naturally Aspirated  
1990 Mercedes-Benz 560SEL Base Sedan 4-Door 5.6L 5547CC V8 GAS SOHC Naturally Aspirated  
1991 Mercedes-Benz 300SE Base Sedan 4-Door 3.0L 2962CC l6 GAS SOHC Naturally Aspirated  
1991 Mercedes-Benz 300SEL Base Sedan 4-Door 3.0L 2962CC l6 GAS SOHC Naturally Aspirated  
1991 Mercedes-Benz 420SEL Base Sedan 4-Door 4.2L 4196CC V8 GAS SOHC Naturally Aspirated  
1991 Mercedes-Benz 560SEC Base Coupe 2-Door 5.6L 5547CC V8 GAS SOHC Naturally Aspirated  
1991 Mercedes-Benz 560SEL Base Sedan 4-Door 5.6L 5547CC V8 GAS SOHC Naturally Aspirated