Mercedes Benz 5W-40 Engine Oil (Pack of 6 x 1 qt) MB SPEC 229.5 Fully Synthetic OEM

Genuine Mercedes‑Benz fully synthetic 5W‑40 engine oil in a six‑quart pack engineered to meet MB specification 229.5 for modern Mercedes engines.

This factory‑approved motor oil is formulated and supplied by Mercedes‑Benz to match the performance requirements of vehicles calling for MB 229.5 grade lubricants. Sold as six 1‑quart bottles, the product carries the OEM part number MER‑0009898301USB6 and is intended for owners and technicians who want the correct specification oil without aftermarket compromises. It supports the lubrication, cleaning and protection needs typical of turbocharged and high‑output gasoline engines that require a 5W‑40 viscosity and MB approval.

What makes this oil compliant with Mercedes‑Benz MB 229.5?

This lubricant is engineered to satisfy the chemical and performance tests defined in the MB 229.5 specification, covering shear stability, high‑temperature protection and deposit control. The formula is optimized for extended drain intervals where the vehicle manufacturer permits them and for engines that demand a robust blend of base oils and additives.

• Fully synthetic base stocks and balanced additive package for thermal and oxidation resistance.
• Designed for MB tests on sludge, wear, viscosity retention and compatibility with emission systems.
• Maintains 5W‑40 viscosity across a wide temperature range for reliable cold starts and high‑temperature protection.
• OEM part number MER‑0009898301USB6 confirms factory approval and traceability.

How will 5W‑40 MB 229.5 oil benefit my engine during everyday driving?

The 5W‑40 grade provides low‑temperature flow for quicker circulation at start‑up while delivering a robust oil film at operating temperature to reduce friction and wear. Its additive chemistry helps keep internal components cleaner and supports stable oil pressure in varied driving conditions.

• Fast cold flow for reduced startup wear and improved lubrication at low temperatures.
• Strong film strength at high temperature to protect pistons, bearings and turbochargers.
• Deposit control helps maintain combustion‑chamber cleanliness and oil channels.
• Compatible with vehicles specifying MB 229.5 or requiring equivalent OEM approvals.

Is this the right oil for my Mercedes model and service schedule?

Use this oil if your owner’s manual or dealer service specification lists MB 229.5 or recommends a 5W‑40 with that approval. It supersedes several related Mercedes part references, so confirm compatibility using your vehicle’s VIN or consult a dealer for models with special lubricant needs.

• Check owner’s manual for MB 229.5 requirement or consult dealer with VIN.
• Suitable for many high‑performance gasoline engines, including turbocharged units.
• Sold as six 1‑quart bottles—convenient for full oil changes or multi‑service use.
• Supersedes listed numbers such as Q1090083 and Q1090162 for OEM traceability.

How should I store and handle these one‑quart bottles?

Keep unopened bottles in a cool, dry place away from direct sunlight and sources of heat. Use a clean funnel when pouring, close caps securely after use, and recycle or dispose of empty containers following local environmental regulations.

• Store upright between 0–40°C (32–104°F) to preserve additive stability.
• Avoid contamination by using clean funnels and draining equipment.
• Do not mix with unknown oils if MB 229.5 conformity is required; use fresh, specified product.
• Follow local oil‑recycling rules for empty containers and used oil.

Who is this for: Drivers, independent shops and Mercedes‑Benz technicians who require an OEM‑approved, fully synthetic 5W‑40 meeting MB 229.5. Ideal for owners performing regular maintenance on compatible Mercedes gasoline engines who prefer factory‑specified fluids and want multi‑quart convenience with the MER‑0009898301USB6 part reference.