24/01/2024
Understanding Your Mercedes-Benz CLS350 Servicing Schedule
The Mercedes-Benz CLS350, a striking blend of coupe-like aesthetics and luxury saloon comfort, demands a consistent and thorough maintenance regimen to ensure its performance and longevity. While often lauded for its cutting-edge design and sophisticated interior, understanding its servicing needs is crucial for any owner looking to preserve its premium feel and driving dynamics. This guide delves into the recommended servicing intervals for the CLS350, offering insights into what each service entails and why adhering to them is paramount.
The Importance of Regular Servicing
Regular servicing is the bedrock of maintaining any vehicle, and for a luxury marque like Mercedes-Benz, it's no different. For the CLS350, consistent maintenance ensures that the advanced engineering within its 2.0-litre four-cylinder engine, complemented by the EQ Boost hybrid starter-alternator system, operates at its optimal level. It's not just about preventing breakdowns; it's about preserving the car's efficiency, safety, and resale value. Neglecting regular check-ups can lead to more significant, and costly, issues down the line. Think of it as a proactive approach to safeguarding your investment.
Mercedes-Benz CLS350 Service Intervals
According to Mercedes-Benz guidelines, the CLS350 requires servicing at specific intervals to maintain its peak performance. The recommended service schedule is:
Every 25,000 kilometres or 12 months, whichever comes first.
This interval is a standard for many modern Mercedes-Benz vehicles, designed to balance comprehensive checks with practical ownership. It means that whether you cover a high mileage within a year or primarily use your CLS350 for shorter trips, a service should be scheduled annually at the very least. This ensures that essential checks and fluid changes are performed regularly, regardless of usage patterns.
What Does a CLS350 Service Typically Involve?
While the exact work carried out can vary slightly depending on the specific service ('A' or 'B' service, for example, though these are often determined by the car's on-board computer), a standard service for a CLS350 will generally include:
- Oil and Filter Change: This is fundamental. Fresh engine oil lubricates moving parts, reduces friction, and helps dissipate heat. The oil filter removes contaminants, ensuring the new oil stays clean.
- Fluid Level Checks: This includes coolant, brake fluid, power steering fluid, and windscreen washer fluid. Topping up or replacing these as necessary is vital for safe operation.
- Brake System Inspection: A thorough check of brake pads, discs, and fluid is essential for safety.
- Tyre Inspection: Checking tyre pressures, tread depth, and for any signs of wear or damage. Wheel alignment might also be recommended.
- Wiper Blade Check: Ensuring clear visibility is crucial, especially in adverse weather.
- Lights and Electrics: Testing all lights, indicators, and electrical components.
- Underbody Inspection: Checking for leaks, corrosion, or damage to the exhaust and suspension components.
- Diagnostic Scan: Modern vehicles have complex electronic systems. A diagnostic scan can identify any underlying issues or fault codes that may not be immediately apparent.
The Role of the EQ Boost System
The CLS350 features Mercedes' EQ Boost mild-hybrid system. This technology adds a small electric motor that assists the combustion engine, providing an extra 150Nm of torque momentarily and aiding with coasting and low-speed acceleration. While this system is designed to be largely seamless, servicing should ensure that its components, including the starter-alternator and battery, are functioning correctly. The system's integration means that a standard service should be equipped to handle any specific checks related to its operation.
Comparing Service Packages
Mercedes-Benz often offers different service packages, sometimes referred to as 'Service A' and 'Service B', which alternate. While the exact details can evolve, here's a general idea of what might be included:
| Service Type | Typical Inclusions | Frequency (Example) |
|---|---|---|
| Service A | Engine oil and filter change, fluid level top-ups, brake system check, tyre pressure check, comprehensive inspection of vehicle components. | First service, then every 2 years or 50,000km after Service B. |
| Service B | Includes all of Service A plus cabin filter replacement, brake fluid change (typically every 2 years), and potentially more in-depth checks of systems like suspension and steering. | After Service A, then every 2 years or 50,000km after Service A. |
Note: The specific triggers for Service A and B are usually determined by the vehicle's onboard service indicator (ASSYST PLUS). Always refer to your vehicle's service book or the ASSYST indicator for the most accurate information.
When to Consider Additional Checks
While the scheduled services are comprehensive, certain driving conditions might warrant additional attention:
- Harsh Driving Conditions: Frequent short trips, stop-start traffic, or driving in extreme temperatures can put more strain on the engine oil and other components.
- Towing or Heavy Loads: If you regularly tow or carry heavy loads, this can increase wear on the transmission, brakes, and suspension.
- Long Periods of Inactivity: If the car is stored for extended periods, it’s wise to have it checked before use, particularly for tyre condition and fluid levels.
DIY vs. Dealership Servicing
For a sophisticated vehicle like the CLS350, choosing where to have it serviced is an important decision. While independent specialists can offer competitive pricing, a Mercedes-Benz dealership guarantees that technicians are fully trained on the latest models and use only genuine Mercedes-Benz parts. This can be particularly important for maintaining the integrity of the EQ Boost system and other advanced technologies. Using genuine parts ensures they are designed to meet the exact specifications of your CLS350, contributing to optimal performance and durability.
Common Questions About CLS350 Servicing
Q1: How often do I need to change the spark plugs in my CLS350?
Spark plug replacement intervals vary, but they are typically checked during scheduled services and replaced as needed, often around the 60,000-100,000km mark, depending on the specific type of plug and manufacturer recommendations.
Q2: What is the recommended interval for changing the brake fluid?
Brake fluid absorbs moisture over time, which can reduce its effectiveness and lead to corrosion. Mercedes-Benz typically recommends changing the brake fluid every two years, regardless of mileage.
Q3: Does the CLS350 require any special fluids?
Yes, Mercedes-Benz vehicles require specific types of engine oil, coolant, and other fluids that meet their stringent specifications. Using the correct fluids is essential for the longevity of the engine and its components, including the EQ Boost system.
Q4: What if my CLS350's service indicator comes on before 12 months?
The onboard service indicator (ASSYST) is designed to monitor driving conditions and can prompt a service earlier than the standard interval if it detects conditions that warrant it, such as heavy usage or specific driving patterns. It's best to heed this warning and schedule a service.
Q5: Is the servicing cost for a CLS350 significantly higher than a standard E-Class?
While both are premium vehicles, the CLS, often positioned as a design flagship, might have slightly higher servicing costs due to its more specialised components and potentially more complex systems. However, the core servicing intervals and types of work are often similar to other large Mercedes-Benz saloons.
Conclusion
Adhering to the 25,000km or 12-month service interval for your Mercedes-Benz CLS350 is fundamental to its continued performance, reliability, and enjoyment. Regular maintenance not only prevents unexpected issues but also ensures that the car's advanced features, including the innovative EQ Boost system, operate as intended. By understanding the servicing schedule and the importance of using genuine parts and qualified technicians, you can keep your CLS350 in immaculate condition, ready to deliver its unique blend of style, luxury, and driving pleasure for years to come.
If you want to read more articles similar to CLS350 Servicing: What You Need To Know, you can visit the Automotive category.