Vehicles using M272.960 engine list:

Engine M272.960

Symptoms:
- Rough idling and misfires
- Loss of power and poor acceleration
- Engine warning light (Check Engine) illumination
- Oil leaks around the valve covers and camshaft adjusters
- Timing chain noise or rattling, especially on cold start
- Increased oil consumption

Diagnosis:
- Inspect for oil leaks at valve cover gaskets and camshaft adjuster seals
- Perform a compression test to check cylinder health
- Scan for fault codes related to misfires, camshaft timing, or variable valve timing (VVT) system
- Check timing chain tensioner and guides for wear or failure
- Examine ignition coils and spark plugs for wear or damage
- Verify proper operation of the VVT solenoids and sensors

Fixes:
- Replace valve cover gaskets and camshaft adjuster seals to stop oil leaks
- Renew timing chain tensioner and guides if worn or noisy to prevent timing issues
- Replace faulty ignition coils and spark plugs to resolve misfires
- Clean or replace VVT solenoids to restore proper camshaft timing
- Perform oil and filter change using manufacturer-recommended oil to maintain lubrication
- Address any detected cylinder compression issues with appropriate repairs

Prevention:
- Adhere to regular oil change intervals using high-quality synthetic oil to prevent sludge buildup and maintain hydraulic lifter function
- Use OEM or high-quality replacement parts for gaskets, seals, and timing components
- Monitor engine performance and promptly address warning lights or unusual noises
- Avoid extended idling and aggressive driving to reduce engine stress
- Schedule periodic inspections of timing chain components and VVT system during routine maintenance

By following these diagnostic steps and maintenance practices, owners of Mercedes Benz vehicles equipped with the M272.960 engine can mitigate common issues and ensure reliable engine performance.