MAHLE Expansion Tank, Coolant CRT 120 000S

Compatible with MERCEDES-BENZ S-CLASS (W140) , MERCEDES-BENZ S-CLASS Coupe (C140) ,
This MAHLE expansion tank is designed to manage coolant pressure and volume in your vehicle's cooling system. Ensure optimal engine temperature with this reliable component.
31.26 EUR
inc. VAT 21%
In stock 2
Delivery 1 day (01.04.2026)
PN CRT120000S
Make MAHLE
EAN 4057635115902

The expansion tank, also known as an overflow reservoir, plays a crucial role in maintaining the correct coolant level and pressure within your vehicle's cooling system. As the engine heats up, the coolant expands, and the expansion tank provides a space for this excess volume. Conversely, as the engine cools, the coolant contracts, and the tank allows it to be drawn back into the system, preventing air from entering. This MAHLE expansion tank (part code CRT 120 000S) is engineered to meet stringent quality standards, ensuring durability and proper function. A properly functioning expansion tank is vital for preventing overheating, which can lead to severe engine damage. It also helps to maintain the efficiency of your heating system by ensuring consistent coolant flow. Regular inspection of your expansion tank for leaks, cracks, or damage is recommended. A faulty tank can lead to coolant loss, air in the system, and ultimately, engine overheating. Replacing a damaged expansion tank with a quality part like this MAHLE unit is essential for the longevity and performance of your vehicle's cooling system.

  • Direct fit for specific vehicle applications
  • Manages coolant expansion and contraction
  • Helps maintain optimal engine operating temperature
  • Prevents coolant loss and air ingress
  • Durable construction for long service life
  • Ensures proper functioning of the cooling system
  • Essential for preventing engine overheating
Length [mm]
238,0
Width [mm]
208
Height [mm]
212,0
Material
Plastic
Color
black
Additional article/Additional information
without coolant level sensor
additional required items (article number)
CRB 139 000S
Additional article/Additional info 2
without cap
Net weight [g]
1069
Package width [cm]
22,50
Package height [cm]
23,00
Package length [cm]
26,0
  • MERCEDES-BENZ
    • S-CLASS (W140)
      • S 280 (140.028) (142kW/193PS)
      • 300 SE 2.8 (140.028) (145kW/197PS)
      • 300 SE, SEL/S320 (140.032, 140.033) (170kW/231PS)
      • S 420 (140.042, 140.043) (205kW/279PS)
      • 400 SE, SEL/S420 (140.042, 140.043) (210kW/286PS)
      • S 500 (140.050, 140.051) (235kW/320PS)
      • 500 SE, SEL (140.050, 140.051) (240kW/326PS)
      • S 600 (140.056, 140.057) (290kW/394PS)
      • 600 SE, SEL (140.056, 140.057) (300kW/408PS)
    • S-CLASS Coupe (C140)
      • 500 SEC / CL 500 (140.070) (235kW/320PS)
      • SEC/CL 600 (140.076) (290kW/394PS)
      • SEC/CL 420 (140.063) (205kW/279PS)
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