DELPHI SX-7808 Benz Coolant Temperature Sensor Engine Ib

( Brand: Delphi ), ( Manufacturer Part Number: SX-7808 ), ( Manufacturer Warranty: 1 Year / 12, 000 Miles ), ( Ipn: C525 21-14 ), ( Placement On Vehicle: Belts Cooling Sensors ), ( Compatible Make: Mercedes-benz ), ( Compatible Year: 1993 1992 1991 1990 1989 1988 ), ( Core Charge: Free No Core Charge ), ( Type: Engine Coolant Temperature Sensor ), ( Universal Fitment: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Delphi Engine Coolant Temperature Sensor )

Review DELPHI Coolant Temperature Sensor Mercedes benz Engine Ib fits 300CE 1988–1993

The **Delphi SX-7808 Coolant Temperature Sensor** is a precision-engineered, high-performance component designed specifically for the **1988 1993 Mercedes-Benz 300CE (M104 engine)** to ensure optimal engine temperature monitoring and performance. This sensor is a critical part of the vehicle s cooling system, playing a vital role in maintaining the ideal operating temperature for the engine s internal components. Crafted with Delphi s signature reliability and engineering expertise, this sensor is built to withstand the demanding conditions of high-performance applications while delivering accurate and consistent readings to the engine control unit (ECU). The SX-7808 is a **negative temperature coefficient (NTC) thermistor**, meaning its electrical resistance decreases as the coolant temperature rises, allowing the ECU to precisely adjust fuel injection, ignition timing, and cooling system functions for peak efficiency and longevity. Its robust construction features a **stainless steel housing** and a **high-quality thermistor element**, ensuring durability against corrosion, thermal stress, and mechanical wear essential for the demanding environment of a Mercedes-Benz s high-revving, turbocharged engine. Perfectly calibrated to match the M104 s specifications, this sensor guarantees seamless integration with the vehicle s original cooling system, providing the exact temperature feedback required for optimal performance, fuel economy, and emissions compliance. Whether used in a classic restoration, a performance upgrade, or routine maintenance, the Delphi SX-7808 is the ideal choice for Mercedes-Benz enthusiasts seeking a direct-fit, OEM-quality replacement that restores factory precision and reliability.

### Pros and Cons of Buying a Delphi SX-7808 Coolant Temperature Sensor for a 1988 1993 Mercedes-Benz 300CE Engine (M116/M117)

1. **Direct Fitment** The Delphi SX-7808 is a widely recognized aftermarket sensor designed specifically for the M116 and M117 engines used in the 300CE. It is engineered to match the original equipment manufacturer (OEM) specifications, ensuring compatibility without modifications.

2. **Reliability** Delphi is a reputable automotive parts manufacturer with a strong reputation for producing high-quality sensors. The SX-7808 is built to last, reducing the likelihood of premature failure compared to lower-quality or generic alternatives.

3. **Easy Installation** The sensor is straightforward to install, requiring only basic tools. It replaces the original sensor in the same location, and the wiring harness is typically compatible, minimizing the need for additional modifications.

4. **Performance Consistency** A properly functioning coolant temperature sensor ensures accurate engine temperature readings, which are critical for optimal fuel injection, ignition timing, and overall engine performance. This can lead to smoother operation, better fuel efficiency, and reduced emissions.

5. **Warranty Coverage** Many reputable sellers (including Delphi or authorized distributors) offer warranties on their sensors, providing peace of mind in case of defects or early failure.

6. **Cost-Effective Solution** While not the absolute cheapest option, the SX-7808 strikes a balance between affordability and quality. It is often more reliable than no-name sensors, which may fail sooner and require replacement.

7. **Compatibility with Modern Diagnostics** The sensor is designed to work with modern OBD-I and OBD-II diagnostic tools, allowing for accurate fault code reading and troubleshooting if issues arise.

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1. **Potential Counterfeit Risks** Purchasing from untrusted sellers (e.g., third-party marketplaces without authentication) increases the risk of receiving a counterfeit or low-quality knockoff. Counterfeit sensors may fail quickly or not function as intended, leading to further repair costs.

2. **Price Variability** While generally reasonable, the price of the SX-7808 can vary significantly depending on the seller. Overpaying for a sensor without added value (e.g., from a premium brand or authorized dealer) may not be cost-effective.

3. **Limited Longevity Compared to OEM** While the Delphi sensor is durable, it may not last as long as an original Mercedes-Benz sensor, especially if the engine is heavily used or exposed to extreme conditions (e.g., frequent overheating, harsh chemicals).

4. **Installation Challenges (Minor)** In some cases, the sensor may be slightly difficult to remove due to corrosion or tight fitment, particularly if the engine has not been serviced in years. This may require penetrating oil or careful prying.

5. **Compatibility with Aftermarket Mods** If the vehicle has aftermarket modifications (e.g., turbocharging, forced induction, or custom ECU tuning), the sensor s performance may need to be recalibrated or adjusted to ensure optimal operation under modified conditions.

6. **Availability of Alternatives** While the Delphi SX-7808 is a strong choice, there are other reputable brands (e.g., Bosch, ACDelco, or OE replacements) that may offer comparable or slightly different specifications. Some owners prefer OE sensors for their perceived longevity.

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The Delphi SX-7808 coolant temperature sensor is an excellent choice for the 1988 1993 Mercedes-Benz 300CE (M116/M117) due to its direct fitment, reliability, and ease of installation. It strikes a balance between affordability and performance, making it a practical solution for restoring or maintaining accurate engine temperature readings. However, buyers must exercise caution to avoid counterfeit products and ensure they purchase from a trusted source.

For owners prioritizing longevity and brand reputation, an original equipment (OE) sensor or a high-end aftermarket alternative (e.g., Bosch) may be worth the slightly higher cost. Conversely, those seeking a cost-effective, widely available solution will find the Delphi SX-7808 to be a solid and dependable option.

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1. **Purchase from a Trusted Source** Buy the Delphi SX-7808 from an authorized dealer, reputable online retailer (e.g., Amazon, RockAuto, or a Mercedes-Benz specialty parts store), or a seller with verified reviews. Avoid unknown marketplaces where counterfeit parts are more likely.

2. **Verify Sensor Specifications** Confirm that the sensor matches the correct part number (SX-7808) and is compatible with your specific engine variant (M116 or M117). Some sensors may have slight variations in resistance curves or thread sizes.

3. **Inspect the Sensor Before Installation** Check for physical damage, corrosion, or signs of poor manufacturing quality. A healthy sensor should have a clean, intact housing and no visible defects.

4. **Consider a Backup or OE Option** If budget allows, keep an OE sensor or a high-quality alternative (e.g., Bosch 026 120 5139) as a backup, especially if the vehicle is a restoration project or has high mileage.

5. **Follow Proper Installation Practices** Ensure the sensor is tightened securely but not overtightened to avoid stripping the threads. Use a thread sealant or anti-seize compound if necessary to prevent corrosion during future removals.

6. **Monitor Performance Post-Installation** After installation, monitor the engine s temperature gauge and check for any warning lights or erratic behavior. If issues persist, verify the sensor s readings with a multimeter or diagnostic tool.

**Final Verdict:** The Delphi SX-7808 is a highly recommended sensor for the 1988 1993 Mercedes-Benz 300CE, provided it is sourced responsibly. It offers a reliable, cost-effective solution for maintaining engine health and performance.

Details:

Delphi Coolant Temperature Sensor for 1988 - 1993 Mercedes-Benz 300CE Engine ib: Status: In Stock.

part #: sx7808 prices

• $51.28-$65.37

specifications ocoosys:

• for models: 300ce
• for makes: Mercedes
• for years: 1988-1993
• brand: Delphi
• mpn: Sx-7808
• manufacturer warranty: 1 Year / 12, 000 Miles
• ipn: C525 21-14
• placement on vehicle: Belts Cooling Sensors
• compatible make: Mercedes-benz
• compatible year: 1993 1992 1991 1990 1989 1988
• core charge: Free No Core Charge
• type: Engine Coolant Temperature Sensor
• universal fitment: Direct Replacement
• bundle description: 1 Pc Genuine Delphi Engine Coolant Temperature Sensor

payments ocoosys:

• other
• credit card: Discover
• wallet: Google-pay

seller ocoosys:

• # reviews: 638450
• city: Indianapolis, Indiana
• rating: 99.6%

general ocoosys:

• Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components
• condition: New

returns ocoosys:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

offer ocoosys:

• options: Ship-to-home
• quantity: 2
• sold: 0
• availability: In Stock
• started: March 28, 2026

shipping ocoosys:

• type: Fixed
• cost: $0.00
• transit: 3-6 Days
• service: Standard, Expedited
• class: Standard, Expedited

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