TOPRAN 401 786 Coolant Level Sensor

Compatible with MERCEDES-BENZ SL (R129) , MERCEDES-BENZ S-CLASS (W140) , MERCEDES-BENZ S-CLASS Coupe (C140) Show more info
Ensures accurate monitoring of your vehicle's coolant level. Maintains optimal engine temperature and prevents overheating.
7.13 EUR
inc. VAT 21%
In stock 3
Delivery 1 day (18.05.2026)
PN 401 786
Make TOPRAN

This TOPRAN 401 786 sensor is designed to precisely measure the coolant level in your vehicle's reservoir. Proper coolant level is crucial for maintaining optimal engine operating temperature and preventing potential damage caused by overheating. By providing real-time data, this sensor helps alert you to low coolant conditions, allowing for timely refilling and avoiding critical system failures. Its robust construction ensures reliable performance and longevity under various engine conditions. Installation is straightforward, integrating seamlessly with your vehicle's existing electrical system. Trust TOPRAN for quality components that keep your engine running smoothly and efficiently.

  • Direct fit for accurate coolant level detection
  • Helps prevent engine overheating
  • Ensures optimal engine performance
  • Durable construction for long service life
  • Easy installation
  • Maintains system integrity
  • Reliable brand for automotive components
Number of pin contacts
2
Type of connector
Round connector plug
Housing material
Plastic
Additional article/Additional info 2
wireless
Overall length [mm]
193
Additional article/Additional information
with gasket
  • MERCEDES-BENZ
    • SL (R129)
      • 280 (129.058) (142kW/193PS)
      • 300 SL (129.060) (140kW/190PS)
      • 300 SL-24 (129.061) (170kW/231PS)
      • 320 (129.063) (170kW/231PS)
      • 600 (129.076) (290kW/394PS)
      • 280 (129.059) (150kW/204PS)
      • 320 (129.064) (165kW/224PS)
      • 500 (129.068) (225kW/306PS)
    • S-CLASS (W140)
      • S 350 Turbo-D (140.134) (110kW/150PS)
      • 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 300 Turbo-D (140.135) (130kW/177PS)
    • S-CLASS Coupe (C140)
      • 500 SEC / CL 500 (140.070) (235kW/320PS)
      • SEC/CL 420 (140.063) (205kW/279PS)
    • C-CLASS (W202)
      • C 200 D (202.120) (55kW/75PS)
      • C 220 D (202.121) (70kW/95PS)
      • C 250 D (202.125) (83kW/113PS)
      • C 180 (202.018) (90kW/122PS)
      • C 220 (202.022) (110kW/150PS)
      • C 200 (202.020) (100kW/136PS)
      • C 180 (202.018) (89kW/121PS)
      • C 230 Kompressor (202.024) (142kW/193PS)
      • C 250 Turbo-D (202.128) (110kW/150PS)
      • C 230 (202.023) (110kW/150PS)
      • C 200 D (202.122) (65kW/88PS)
      • C 200 Kompressor (202.025) (141kW/192PS)
      • C 240 (202.026) (125kW/170PS)
      • C 280 (202.029) (145kW/197PS)
      • C 220 CDI (202.133) (92kW/125PS)
      • C 200 CDI (202.134) (75kW/102PS)
    • E-CLASS (W210)
      • E 220 D (210.004) (70kW/95PS)
      • E 250 D (210.010) (83kW/113PS)
      • E 200 (210.035) (100kW/136PS)
      • E 300 D (210.020) (100kW/136PS)
      • E 230 (210.037) (110kW/150PS)
      • E 320 (210.055) (162kW/220PS)
      • E 290 Turbo-D (210.017) (95kW/129PS)
      • E 280 (210.053) (142kW/193PS)
      • E 420 (210.072) (205kW/279PS)
      • E 50 AMG (210.072) (255kW/347PS)
      • E 280 (210.063) (150kW/204PS)
      • E 280 4-matic (210.081) (150kW/204PS)
      • E 320 (210.065) (165kW/224PS)
      • E 300 Turbo-D (210.025) (130kW/177PS)
      • E 320 4-matic (210.082) (165kW/224PS)
      • E 250 Turbo-D (210.015) (110kW/150PS)
      • E 200 D (210.003) (65kW/88PS)
      • E 240 (210.061) (125kW/170PS)
      • E 430 (210.070) (205kW/279PS)
      • E 200 Kompressor (210.045) (137kW/186PS)
      • E 200 CDI (210.007) (85kW/116PS)
      • E 220 CDI (210.006) (105kW/143PS)
      • E 270 CDI (210.016) (125kW/170PS)
      • E 320 CDI (210.026) (145kW/197PS)
      • E 430 4-matic (210.083) (205kW/279PS)
      • E 200 Kompressor (210.048) (120kW/163PS)
      • E 240 (210.062) (125kW/170PS)
    • C-CLASS T-Model (S202)
      • C 180 T (202.078) (90kW/122PS)
      • C 200 T (202.080) (100kW/136PS)
      • C 220 T D (202.182) (70kW/95PS)
      • C 250 T Turbo-D (202.188) (110kW/150PS)
      • C 230 T (202.083) (110kW/150PS)
      • C 200 T D (202.180) (65kW/88PS)
      • C 230 T Kompressor (202.085) (142kW/193PS)
      • C 240 T (202.086) (125kW/170PS)
      • C 280 T (202.089) (145kW/197PS)
      • C 220 T CDI (202.193) (92kW/125PS)
      • C 200 T Kompressor (202.082) (141kW/192PS)
      • C 200 T CDI (202.194) (75kW/102PS)
      • C 180 T (202.081) (95kW/129PS)
      • C 200 T Kompressor (202.087) (120kW/163PS)
      • C 240 T (202.088) (125kW/170PS)
    • E-CLASS T-Model (S210)
      • E 200 T (210.235) (100kW/136PS)
      • E 230 T (210.237) (110kW/150PS)
      • E 420 T (210.272) (205kW/279PS)
      • E 290 T Turbo-D (210.217) (95kW/129PS)
      • E 250 T D (210.210) (83kW/113PS)
      • E 280 T 4-matic (210.281) (150kW/204PS)
      • E 320 T (210.265) (165kW/224PS)
      • E 300 T Turbo-D (210.225) (130kW/177PS)
      • E 320 T 4-matic (210.282) (165kW/224PS)
      • E 250 T Turbo-D (210.215) (110kW/150PS)
      • E 280 T (210.263) (150kW/204PS)
      • E 240 T (210.261) (125kW/170PS)
      • E 430 T (210.270) (205kW/279PS)
      • E 200 T Kompressor (210.245) (137kW/186PS)
      • E 320 T CDI (210.226) (145kW/197PS)
      • E 270 T CDI (210.216) (125kW/170PS)
      • E 220 T CDI (210.206) (105kW/143PS)
      • E 430 T 4-matic (210.283) (205kW/279PS)
      • E 200 T Kompressor (210.248) (120kW/163PS)
      • E 240 T (210.262) (125kW/170PS)
    • SLK (R170)
      • 200 (170.435) (100kW/136PS)
      • 230 Kompressor (170.447) (142kW/193PS)
    • CLK (C208)
      • CLK 200 (208.335) (100kW/136PS)
      • CLK 230 Kompressor (208.347) (142kW/193PS)
      • CLK 320 (208.365) (160kW/218PS)
      • CLK 200 Kompressor (208.345) (141kW/192PS)
      • CLK 430 (208.370) (205kW/279PS)
      • CLK 200 Kompressor (208.344) (120kW/163PS)
      • CLK 230 Kompressor (208.348) (145kW/197PS)
    • CLK Kabriolets (A208)
      • CLK 200 Kompressor (208.445) (141kW/192PS)
      • CLK 200 (208.435) (100kW/136PS)
      • CLK 230 Kompressor (208.447) (142kW/193PS)
      • CLK 320 (208.465) (160kW/218PS)
      • CLK 430 (208.470) (205kW/279PS)
      • CLK 200 Kompressor (208.444) (120kW/163PS)
      • CLK 230 Kompressor (208.448) (145kW/197PS)
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