HomeBelts and Cooling > SensorsStandard Ignition TS-555 Engine Coolant Temperature Sensor
Part #: TS-555

Standard Ignition TS-555 Engine Coolant Temperature Sensor

⚙️ 41 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$34.18Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mercedes-Benz, S420, E420, S500, S600, SL500, SL600, E500, 300SD, 300SL, 400E, 400SEL, 500E, 500SEC, 500SEL, 500SL, 600SEC, 600SEL, 600SL, 400SE, 300CE, 350SD, and 350SDL
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Engine Coolant Temperature Sensor for Mercedes-Benz Models

The Standard Ignition TS-555 Engine Coolant Temperature Sensor is designed to provide accurate temperature readings for your Mercedes-Benz vehicle. This sensor ensures optimal engine performance by monitoring coolant temperature and relaying critical data to the engine control unit.

  • Bolt-on attachment method for secure installation
  • Female connector with a single round plug-in design
  • Four male terminals featuring pin and bullet types for reliable electrical connections
  • Compatible with a wide range of Mercedes-Benz models including 300CE, 500SEL, and SL600

Technical Details and Sensor Attributes

The TS-555 sensor features a bolt-on attachment method, allowing for straightforward and stable mounting on the engine block. It includes one female connector with a round shape designed for plug-in connection, ensuring a secure and corrosion-resistant interface. The sensor terminals are male, with four pins and bullet types, providing dependable electrical contact and signal transmission. These specifications make the TS-555 suitable for precise coolant temperature monitoring in various Mercedes-Benz vehicles.

Compatible Mercedes-Benz Models

This Engine Coolant Temperature Sensor is compatible with multiple Mercedes-Benz models such as the 300CE, 300SD, 350SDL, 400E, 500E, 600SEL, E420, S500, and SL600. The TS-555 part number ensures you receive the correct sensor designed specifically for these vehicles, maintaining factory-level performance and reliability.

Common Applications and Problem Resolution

  • Helps prevent engine overheating by providing accurate coolant temperature data
  • Resolves erratic temperature gauge readings
  • Eliminates engine performance issues related to faulty temperature sensing
  • Supports proper engine cooling system operation
  • Prevents check engine light triggers related to coolant temperature sensor faults

Installation Notes and Tips

Installation of the Standard Ignition TS-555 sensor requires a bolt-on mounting, ensuring a secure fit. Before installation, verify the connector type and terminal configuration to match your vehicle’s wiring harness. Use appropriate tools to avoid damaging the sensor or connector pins. It is recommended to disconnect the battery before installation to prevent electrical shorts.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications. The TS-555 Engine Coolant Temperature Sensor undergoes rigorous quality control to ensure durability and accurate performance. This sensor comes with a limited warranty covering defects in materials and workmanship, providing confidence in your purchase.

BrandStandard Ignition
Part NumberTS-555
Attachment MethodBolt On
Connector GenderFemale
Connector ShapeRound
Connector TypePlug In
Terminal GenderMale
Terminal TypePin; Bullet

This part fits 41 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1999Mercedes-BenzS420N/A4 Term.
1998Mercedes-BenzS420N/A4 Term.
1997Mercedes-BenzS420N/A4 Term.
1996Mercedes-BenzS420N/A4 Term.
1995Mercedes-BenzE4204.2LV8N/ABlack; 4 Term.
1995Mercedes-BenzS420N/A
1995Mercedes-BenzS500N/A
1995Mercedes-BenzS600N/A
1995Mercedes-BenzSL500N/A
1995Mercedes-BenzSL600N/A
1994Mercedes-BenzE4204.2LV8N/ABlack; 4 Term.
1994Mercedes-BenzE500N/ALocated On Intake Manifold
1994Mercedes-BenzS420N/AEngine Coolant Temperature Sensor with Black Finish and 4 Terminals.
1994Mercedes-BenzS500N/AEngine Coolant Temperature Sensor with Black Finish and 4 Terminals.
1994Mercedes-BenzS600N/AEngine Coolant Temperature Sensor with Black Finish and 4 Terminals.
1994Mercedes-BenzSL500N/AEngine Coolant Temperature Sensor with Black Finish and 4 Terminals.
1994Mercedes-BenzSL600N/AEngine Coolant Temperature Sensor with Black Finish and 4 Terminals.
1993Mercedes-Benz300SDN/ALocated on thermostat housing.
1993Mercedes-Benz300SLN/A4 Term.; Located On Thermostat Housing
1993Mercedes-Benz400EN/AEngine Coolant Temperature Sensor with Black Finish and 4 Terminals.
1993Mercedes-Benz400SELN/AEngine Coolant Temperature Sensor with Black Finish and 4 Terminals.
1993Mercedes-Benz500EN/AEngine Coolant Temperature Sensor with Black Finish and 4 Terminals.
1993Mercedes-Benz500SECN/AEngine Coolant Temperature Sensor with Black Finish and 4 Terminals.
1993Mercedes-Benz500SELN/AEngine Coolant Temperature Sensor with Black Finish and 4 Terminals.
1993Mercedes-Benz500SLN/AEngine Coolant Temperature Sensor with Black Finish and 4 Terminals.
1993Mercedes-Benz600SEC6.0LV12N/AEngine Coolant Temperature Sensor with Black Finish and 4 Terminals.
1993Mercedes-Benz600SELN/AEngine Coolant Temperature Sensor with Black Finish and 4 Terminals.
1993Mercedes-Benz600SLN/AEngine Coolant Temperature Sensor with Black Finish and 4 Terminals.
1992Mercedes-Benz400EN/A
1992Mercedes-Benz400SEN/A
1992Mercedes-Benz500EN/AEngine Coolant Temperature Sensor with Black Finish and 4 Terminals.
1992Mercedes-Benz500SELN/AEngine Coolant Temperature Sensor with Black Finish and 4 Terminals.
1992Mercedes-Benz500SLN/AEngine Coolant Temperature Sensor with Black Finish and 4 Terminals.
1992Mercedes-Benz600SELN/A4 Term.; Located On Thermostat Housing
1991Mercedes-Benz300CEN/ALocated On Water Pump
1991Mercedes-Benz300SLN/A4 Term.; Located On Thermostat Housing
1991Mercedes-Benz350SDN/ALocated on thermostat housing.
1991Mercedes-Benz350SDLN/ALocated on thermostat housing.
1991Mercedes-Benz500SLN/AEngine Coolant Temperature Sensor with Black Finish and 4 Terminals.
1990Mercedes-Benz350SDLN/ALocated on thermostat housing.
1990Mercedes-Benz500SLN/A4 Term.; Located On Intake Manifold

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

0085423217009107841158-074117-1463191907142CTS002540034X-10395S617571-270073941CTSA88TS10263TS6130V30-72-0078WT728WTC1432

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.