Purpose and Specifications

Keep your engine running smooth and strong with MOTUL 4100 SYN-NERGY 10W40 1L, a premium synthetic blend oil that protects high-mileage vehicles. This 10W40 viscosity flows easily in cold starts down to -25°C and stays thick up to 150°C, reducing wear on pistons, bearings, and cams for quieter operation and longer life.

Approved for major brands like Mercedes-Benz, Renault, and VW, it meets ACEA A3/B4 and API SP standards, delivering top cleaning power to fight sludge and acids while boosting fuel efficiency in everyday driving.

• 1L bottle perfect for top-ups or small engines
• Ideal for cars over 75,000 km with looser tolerances
• Shelf life: 5 years unopened when stored cool and dry

When to Use / Replace?

Use this oil in older engines or high-mileage cars needing extra cushioning against wear. Perfect for mixed driving including city stop-go traffic where oil breaks down faster.

• Replace every 8,000-12,000 km or 6-12 months under normal conditions
• Shorten to 5,000 km or 6 months for severe use: short trips under 10 km, dusty roads, towing, or high speeds over 170 km/h
• Always pair with a new filter for max protection

FAQ

Is 10W40 good for high-mileage engines? Yes, it cushions worn parts better than thinner oils, smoothing rough idles and extending engine life in cars over 75,000 km.

How often should I change MOTUL 4100 10W40? Every 8,000-12,000 km or yearly for normal driving; drop to 5,000 km for city or off-road use to keep it fresh.

Can I use it in cold weather? Absolutely, the 10W rating ensures easy flow at -25°C startups without thinning out at hot running temps.