2019 — 2023
2.0L M260 - B250 4MATIC
Petrol
When moving from a standstill, pay attention to the 8-speed DCT gearbox. While it is generally smooth, you may want to observe if there is any hesitancy or shuttering when shifting between first and second gear.
Engage the MBUX infotainment system thoroughly. Spend a few minutes navigating the menus and voice controls to ensure the screen responsiveness is consistent and free from software glitches.
Check the 4MATIC all-wheel-drive system by performing a slow, full-lock turn in an empty parking lot. Listen for any clicking or binding sounds from the drivetrain, which helps ensure the transfer case is operating as intended.
Inspect the panoramic sunroof seals if fitted. While driving at highway speeds, listen for excessive wind noise, as the seals on these larger glass panels can sometimes settle over time.
Usually marks the interval for a major service, including transmission fluid flush and spark plug replacement.
A common point to review the suspension bushings and engine mounts for any signs of natural wear.
Consider having the water pump and cooling system components inspected as a proactive measure for long-term reliability.
Keep the service history strictly up to date with an approved technician to maintain the integrity of the M260 engine.
Regularly monitor the oil levels, as modern turbocharged engines often benefit from checking between scheduled service intervals.
Ensure the cooling system is checked annually, as maintaining correct coolant chemistry is vital for the health of the turbocharger cooling circuit.
Rotate your tires every 10,000km to ensure the 4MATIC system operates with balanced grip and reduced strain on the driveline.
Keep the MBUX software updated during your dealer visits to ensure you have the latest performance patches and features.
Estimated repair costs if issues arise
Regular fluid changes are the secret to longevity for this gearbox. Depending on your driving habits, you might eventually need to budget for a specialized transmission service to keep shifts crisp.
Given our varied NZ road surfaces, suspension bushings and sway bar links may experience natural wear over time. It's common to consider these as a future maintenance item to maintain that signature Mercedes ride quality.
The M260 engine relies on efficient cooling for the turbocharger. If this component needs attention in the future, it is a straightforward replacement, but it is worth keeping in mind as a potential mid-term expense.
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Disclaimer: This report is generated with the assistance of AI analysis based on verified automotive data. While we strive for 100% accuracy, enthusiasts should always conduct physical inspections and consult service records. View Full Disclaimer