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  3. PREMIUM APTHB199

A-PREMIUM APTHB199 Benz Throttle Body

fits model: C230, Slk230. make: Mercedes. year: 2000–2004.

Apthb199 A-premium Electronic Throttle Body For Mercedes-benz C230 02 Slk230 00-04

( Brand: A-premium ), ( Manufacturer Part Number: APTHB199 ), ( Part Type: Throttle )

Review A PREMIUM Electronic Throttle Body Mercedes benz fits C230 SLK230 2000–2004

The **A-Premium APTHB199 Throttle Body** is a meticulously engineered, high-performance upgrade designed exclusively for the Mercedes-Benz C230 (C203) and SLK230 (R170) models produced between 2000 and 2004, featuring the iconic M112 and M113 inline-six engines. Crafted from premium-grade materials, this throttle body is a precision-machined marvel, replacing the stock unit with a more responsive, durable, and efficient alternative that delivers both immediate throttle response and long-term reliability. The APTHB199 is built to exacting standards, featuring a robust stainless steel construction that resists corrosion, warping, and wear, ensuring it remains as sharp and functional as the day it was installed even under the most demanding driving conditions. Unlike generic aftermarket parts, this throttle body is specifically tuned to the unique airflow dynamics of the M112 and M113 engines, optimizing airflow while maintaining seamless integration with the vehicle s factory wiring harness and ECU. Its sleek, aerodynamic design minimizes turbulence and backpressure, allowing for a more linear power delivery and a noticeable reduction in throttle lag, making every shift from idle to full throttle feel crisp and immediate. Whether you're cruising on the highway, spiriting through winding roads, or pushing the limits in track applications, the A-Premium APTHB199 ensures that your C230 or SLK230 responds with the precision and authority of a true performance machine. Backed by rigorous quality control and designed with both enthusiasts and performance-minded drivers in mind, this throttle body is more than just an upgrade it s a statement of intent, transforming your Mercedes into a more engaging, exhilarating, and capable driving experience.

### Pros and Cons of Buying a Premium APHTB199 Throttle Body for a Mercedes-Benz C230 (02) / SLK230 (00-04)

#### **Pros:**

1. **Enhanced Performance** A high-quality throttle body like the APHTB199 is designed to improve airflow efficiency, which can lead to better throttle response, smoother acceleration, and increased horsepower, especially when paired with a tune or upgraded fuel system.

2. **Improved Throttle Response** Stock throttle bodies can suffer from carbon buildup, restricting airflow over time. A premium aftermarket unit ensures cleaner airflow, reducing lag and improving overall drivability.

3. **Durability and Quality Materials** Premium throttle bodies are typically constructed from high-grade materials, such as aluminum or stainless steel, which are more resistant to corrosion and wear compared to stock units.

4. **Compatibility with Modifications** If you plan to add a turbocharger, supercharger, or forced induction system in the future, a high-quality throttle body will better handle increased airflow demands without failing prematurely.

5. **Better Fuel Efficiency (Under Certain Conditions)** In some cases, improved airflow can optimize combustion efficiency, leading to slightly better fuel economy, particularly if the engine is running cleaner due to reduced carbon deposits.

6. **Easier Maintenance** Premium throttle bodies often feature easier-to-clean designs, allowing for better upkeep and preventing future airflow restrictions.

7. **Aesthetic Appeal** Some aftermarket throttle bodies offer a sleeker or more modern appearance, which can be appealing if you re running a custom or high-performance build.

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#### **Cons:**

1. **Cost** A premium throttle body like the APHTB199 will be significantly more expensive than an OEM replacement, often costing **$300 $600 or more**, depending on the seller and additional features.

2. **Installation Complexity** While not extremely difficult, replacing a throttle body requires removing the intake manifold, wiring, and sometimes the air intake system. If you lack mechanical experience, labor costs at a shop can add up.

3. **Potential Compatibility Issues** Some aftermarket throttle bodies may not fit perfectly with stock wiring harnesses or sensors. You may need to source additional adapters or modify existing components, which can complicate installation.

4. **Requires Supporting Modifications** Simply swapping in a throttle body without tuning the ECU or upgrading the fuel system can lead to **lean conditions, rough idle, or stalling**. A **standalone throttle body won t provide noticeable gains without proper tuning**.

5. **Risk of Voiding Warranty (If Applicable)** If your vehicle is still under factory warranty, installing an aftermarket part may void certain coverage, especially if the modification affects emissions or drivability.

6. **Mixed Performance Gains** While some drivers report noticeable improvements, others may not see significant differences unless paired with other upgrades (e.g., a cold air intake, exhaust, or tune).

7. **Potential for Aftermarket Issues** Cheaper or poorly made throttle bodies can develop leaks, electrical problems, or premature wear, requiring additional repairs.

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### **Conclusion:**

The **APHTB199 throttle body** is a solid choice for Mercedes-Benz C230 (02) and SLK230 (00-04) owners looking to **improve throttle response, airflow, and long-term reliability**. However, it is **not a standalone performance upgrade** it works best when paired with a **standalone tune (e.g., from Haltech, Apexi, or a local tuner)** and, ideally, supporting modifications like an **intake or exhaust system**.

If you re running a **stock or lightly modified engine**, the gains may be modest. But if you re **planning a more aggressive build**, this throttle body provides a **durable, high-quality foundation** for future upgrades.

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### **Recommendation:**

- **If you want noticeable performance improvements** **Install the APHTB199 get a standalone tune** (avoid just swapping the part).

- **If you re on a budget** Consider **cleaning your stock throttle body** or investing in a **cold air intake** first, as they offer better bang-for-buck performance.

- **If you re building for forced induction** This throttle body is a **good long-term investment**, but ensure your fuel system (injectors, pump, fuel rail) can handle the increased demands.

- **If warranty concerns exist** Proceed with caution, as aftermarket parts may void coverage.

**Final Verdict:** Worth it for **serious modders**, but not essential for casual drivers. Pair it with proper tuning for the best results.

Details:

Excellent condition. Unused, ready to use.

part #: apthb199 prices

  • $94.00-$98.09

specifications carfuelinjector:

  • for models: C230, Slk230
  • for makes: Mercedes
  • for years: 2000-2004
  • brand: A-premium
  • mpn: Apthb199
  • part type: Throttle

offer carfuelinjector:

  • started: May 9, 2026
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  • availability: In Stock
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for models: c230, slk230, for makes: mercedes, for years: 2000-2004, part type: throttle,
category: auto parts > air fuel delivery > fuel injection parts > fuel injectors, sku: 16384773063658721,
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  • New other (see details). Offer #1 priced at $94.00 + $0.00 shipping estimate = $94.00* total. Unused, ready to use.FREE SHIPPING
  • New other (see details). Offer #2 priced at $98.09 + $0.00 shipping estimate = $98.09* total. FREE SHIPPING

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