Mercedes Engine Knocking Noise Repair in Hyderabad
Expert solutions for your Mercedes engine issues.
At Metre Per Second, we specialize in diagnosing engine knocking noises using genuine parts and advanced XENTRY/Star Diagnosis tools. Trust our 10 years of expertise.
Why Choose Us for Mercedes Engine Knocking Noise?
We understand the urgency of engine knocking noises. Our expert technicians use advanced diagnostic tools to identify and resolve issues promptly.
- 10 years of experience with over 25,000 cars serviced
- Genuine Mercedes parts with a 1-year warranty
- Free pickup and drop service in Hyderabad
- Advanced XENTRY diagnostics for accurate problem identification
- Expert technicians with specialized training
- Transparent pricing with no hidden costs
Engine Knocking Noise Diagnosis Tools
We utilize advanced diagnostic tools to accurately identify the cause of engine knocking noises in your Mercedes.
| Tool | System | Use Cases | Models Served |
|---|---|---|---|
| XENTRY Diagnosis | Comprehensive vehicle diagnostics | Used to perform specific tests on the engine control unit (N3/x ECU) and analyze live data for abnormal sounds. | W205, W213 |
| DTS Monaco | Advanced diagnostic software | Helps in reading fault codes related to engine performance and noise issues. | W222, W177 |
| Oscilloscope | Waveform analysis | Used to analyze the engine's mechanical vibrations and identify abnormal patterns causing knocking. | W167, X253 |
| Compression Tester | Engine compression measurement | Checks for engine wear and potential internal issues contributing to knocking noises. | W213, X167 |
Mercedes Engine Technologies
We leverage proprietary technologies to ensure accurate diagnosis and repair of engine issues.
- M274 Engine Control Module — Controls engine functions and performance parameters. Components: Fuel injectors, ignition coils, sensors. Services: Diagnosing issues related to fuel delivery and ignition timing that may cause knocking..
- AIRMATIC Suspension System — Adjusts vehicle height and ride comfort. Components: Air suspension struts, compressor. Services: Ensures that engine noise is not exacerbated by suspension issues..
- MBUX Infotainment System — Integrates vehicle data for driver assistance. Components: Control unit, display. Services: Provides alerts and diagnostics related to engine performance..
Genuine Mercedes-Benz Parts & Fluids
We use genuine Mercedes parts and fluids that meet OEM standards for all repairs, ensuring the longevity and performance of your vehicle.
| Component | Spec Code | Replacement Policy | Warranty |
|---|---|---|---|
| Engine Oil | MB 229.52 | Every 10,000 km or as needed | 1 year |
| Fuel Injector | A0000780000 | As per diagnostic findings | 1 year |
| Spark Plug | A0041591903 | Every 60,000 km or as needed | 1 year |
Expert Technicians for Your Mercedes
Our technicians are certified and experienced in handling complex engine issues.
- Mercedes-Benz Master Technician — Mercedes-Benz (Engine diagnostics and repairs)
- Automotive Service Excellence (ASE) — ASE (General automotive repair)
- XENTRY Certified Specialist — Mercedes-Benz (Diagnostic tool expertise)
Specializations: Engine diagnostics, Transmission repairs, Suspension systems, Electrical systems, Hybrid technology
Mercedes Models We Service
We provide specialized services for a variety of Mercedes models.
| Model Range | Chassis Code | Key Systems | Common Issues |
|---|---|---|---|
| C-Class | W205 | N3/x ECU, AIRMATIC | Engine knocking due to fuel injector failure or timing issues. |
| E-Class | W213 | M274 Engine Control Module, suspension systems | Knocking noise from engine wear or faulty spark plugs. |
| S-Class | W222 | M276 Engine Control Module, AIRMATIC | Knocking sounds often linked to engine mounts or internal wear. |
Inside Our Workshop — Mercedes Engine Knocking Noise in Hyderabad
Real photos and video from the Metre Per Second workshop in KPHB, Hyderabad — the same bays, lifts and diagnostic gear your Mercedes-Benz is worked on with.






Metre Per Second workshop tour — Mercedes Engine Knocking Noise
Engine Knocking Noise Diagnostic and Repair Services
We offer comprehensive diagnostic and repair services to resolve engine knocking noises effectively.
| Service | Description | Price (INR) |
|---|---|---|
| Engine Noise Diagnosis | Using XENTRY to identify the source of knocking sounds. | ₹3,000 |
| Fuel Injector Replacement | Replacing faulty injectors to resolve knocking issues. | ₹15,000 |
| Spark Plug Replacement | Replacing worn spark plugs to improve engine performance. | ₹5,000 |
| Engine Oil Change | Changing engine oil to meet MB specifications. | ₹2,500 |
Understanding Engine Knocking Noise
Engine knocking can indicate serious issues that require immediate attention.
Causes of Engine Knocking
Engine knocking noises can arise from various issues such as faulty fuel injectors (W205) or worn spark plugs (W213). These problems can lead to decreased performance and potential engine damage if not addressed promptly.
Diagnostic Process
Using XENTRY, we can pinpoint the exact cause of the knocking noise by analyzing live data and fault codes. This ensures that we address the root cause rather than just the symptoms.
Importance of Timely Repairs
Ignoring engine knocking can lead to severe engine damage, resulting in costly repairs. It is crucial to address these symptoms early to maintain vehicle performance and safety.
Common Problems & Solutions
| Problem | Solution | Cost (INR) |
|---|---|---|
| Engine knocking noise in W205 due to faulty injectors | Replace fuel injectors with genuine parts. | ₹15,000 |
| Knocking sound in W213 linked to worn spark plugs | Replace spark plugs. | ₹5,000 |
| Engine noise in W222 from internal wear | Perform engine inspection and necessary repairs. | ₹20,000 |
Owner Precautions for Engine Knocking
Taking the right steps can help prevent further damage.
Do's
- Listen for unusual sounds and report them immediately.
- Check engine oil levels regularly.
- Use high-quality fuel as recommended by Mercedes.
- Schedule regular maintenance checks.
Don'ts
- Ignore knocking noises.
- Delay servicing your vehicle.
- Use low-quality fuel.
- Attempt to diagnose without professional help.
Consequences of Ignoring Knocking Noise
Delaying repairs can lead to serious issues.
- Increased engine wear and tear — Ignoring knocking noises can lead to significant engine damage, resulting in repair costs exceeding ₹50,000.
- Potential engine failure — Continued operation with knocking can cause catastrophic failure, leading to complete engine replacement.
- Decreased vehicle performance — Knocking can severely impact fuel efficiency and overall performance.
Importance of Timely Service
Addressing engine knocking promptly can save you money and hassle.
- Prevent Major Repairs — Timely diagnosis and repair can prevent costly engine rebuilds or replacements.
- Maintain Performance — Regular servicing ensures your engine runs smoothly and efficiently.
- Enhance Safety — Addressing engine issues promptly helps maintain vehicle safety and reliability.
Service Packages
- Basic Diagnostic Package — ₹3,000 (Most Popular): Comprehensive engine noise diagnosis, XENTRY fault code analysis, Detailed report of findings, Recommendations for repairs
- Complete Repair Package — ₹25,000: Includes all necessary repairs, Genuine parts replacement, 1-year warranty on parts, Free pickup and drop service
How It Works
- Book & Free Pickup — Call or WhatsApp to schedule. We arrange complimentary pickup across Hyderabad.
- XENTRY Diagnosis — Full Star Diagnosis scan and physical inspection to confirm the exact fault.
- Transparent Quote — Detailed estimate with genuine-parts pricing. No hidden charges.
- Expert Repair — Factory-trained technicians carry out the repair to Mercedes procedures.
- Quality Check — Post-repair road test, adaptation reset and multi-point quality inspection.
- Free Delivery — Your Mercedes delivered to your door with a digital service record and warranty.
Successful Engine Knocking Repairs
Here are some cases where we successfully resolved engine knocking issues.
Fuel Injector Replacement for W205
C-Class W205 · Banjara Hills, Hyderabad
Symptom: Owner reported persistent engine knocking noise.
Diagnosis: XENTRY diagnostics revealed faulty fuel injectors (DTC P0201).
Fix: Replaced all four fuel injectors with genuine parts.
Outcome: Noise eliminated, and engine performance restored.
Spark Plug Replacement for W213
E-Class W213 · Jubilee Hills, Hyderabad
Symptom: Knocking sound during acceleration.
Diagnosis: Inspection found worn spark plugs causing misfire.
Fix: Replaced spark plugs with genuine Mercedes parts.
Outcome: Engine runs smoothly without knocking.
Frequently Asked Questions
What causes engine knocking in my Mercedes?
Engine knocking can be caused by faulty fuel injectors, worn spark plugs, or internal engine wear. It's essential to diagnose the issue promptly.
How can I tell if the knocking is serious?
If the knocking noise is consistent and increases with acceleration, it may indicate serious engine issues that require immediate attention.
How much does it cost to fix engine knocking?
The cost can vary based on the underlying issue, but typical repairs range from ₹5,000 to ₹25,000.
Can I drive my car with a knocking noise?
It's not advisable to drive with a knocking noise, as it can lead to further damage and costly repairs.
How often should I service my Mercedes?
Regular service is recommended every 10,000 km or annually, whichever comes first.
Do you offer a warranty on repairs?
Yes, we provide a 1-year warranty on all genuine parts replaced during repairs.
Customer Reviews
The team at Metre Per Second diagnosed my engine knocking issue quickly and effectively. Highly recommend their services!
Excellent service! They replaced my fuel injectors and resolved the knocking noise. Very professional.
Metre Per Second provided top-notch service for my engine issues. The staff is knowledgeable and friendly.
Related Mercedes Services
Book Mercedes Engine Knocking Noise Diagnosis — Metre Per Second
Call +91 8555824915 or WhatsApp +91 8555824915 for a free quote.
Workshop: Plot No. M-8, Mahadevpuram, KPHB Road, Gajularamaram, Hyderabad, Telangana 500055