Use DOT 4 brake fluid that meets Mercedes-Benz MB 236.x specifications (most commonly MB 236.3) for a 2013 E-Class. Always verify with the owner's manual or the reservoir cap.
Brake fluid is a glycol-based hydraulic fluid that transmits force within the braking system. The 2013 E-Class relies on ABS/ESP systems, so using the correct fluid with an appropriate boiling point is essential for consistent braking performance and anti-lock stability.
Choosing the right fluid
Before you pick up fluid, keep in mind these basics to ensure compatibility with the E-Class braking system.
- DOT 4 glycol-based brake fluid that meets SAE J1703/J1704 and Mercedes-Benz MB 236.x specifications (most commonly MB 236.3) is typically recommended for a 2013 E-Class.
- Do not use silicone-based DOT 5 brake fluid unless explicitly specified by Mercedes-Benz, as it is not compatible with standard ABS/ESP systems.
- DOT 5.1 is glycol-based and can be compatible with DOT 3/4 systems, but you should verify MB-specific requirements before using it in your vehicle.
Always avoid mixing different brake fluids in the same reservoir. If you need to change the type of fluid, a full flush is recommended to prevent compatibility issues and ensure optimal braking performance.
Further guidance on MB specifications
Mercedes-Benz commonly references MB 236.x family specifications for brake fluids. If you see MB 236.3 on the label or in your maintenance sheet, that aligns with DOT 4 standards. For some markets or specific high-performance configurations, MB 236.4 or other MB 236.x variants might appear, but DOT 4 remains the safe default for most 2013 E-Class models. When in doubt, consult your dealer or a qualified technician to confirm the exact MB specification for your vehicle.
Practical tips for maintenance
Keep the reservoir cap clean before opening to avoid contamination. Use only fresh brake fluid from a sealed container, and replace it at the interval recommended by Mercedes-Benz or your service technician. If your vehicle shows signs of brake fluid leakage, soft brakes, or a spongy pedal, have the system inspected promptly.
Summary
For a 2013 Mercedes-Benz E-Class, the typical choice is DOT 4 brake fluid that meets Mercedes-Benz MB 236.x specifications, most often MB 236.3. Verify the exact specification on the reservoir cap or in the owner’s manual, avoid DOT 5 silicone-based fluids, and perform a full system flush if you switch fluid types. When in doubt, consult a Mercedes service professional to ensure compatibility with your vehicle’s ABS/ESP systems.
Should I use DOT 3 or dot 4 brake fluid?
While DOT 3 and DOT 4 can sometimes be used interchangeably, DOT 4 is preferred for systems that generate more heat. How often should I replace my brake fluid? Brake fluid should be replaced every two to three years, or more frequently if exposed to high heat or moisture.
What brake fluid is approved by Mercedes-Benz?
Fluid DOT4 PLUS
It is made to the manufacturer's part number DOT4PLUS and supersedes part number Mb 331.0. The Genuine Mercedes Benz Brake Fluid DOT4 PLUS is a high-quality brake fluid specifically designed for Mercedes-Benz vehicles.
Can I use DOT 4 for Mercedes?
You will greatly extend the life of your hydraulic system by changing this fluid. Use only DOT 4+ fluid, do not use DOT 3 or DOT 5 fluids.
What kind of brake fluid does a 2013 Mercedes E350 take?
DOT 4 Brake Fluid
FAQs for 2013 Mercedes-Benz E350 Brake Fluids
DOT 4 Brake Fluid: Synthetic, High Grade, Prevents Overheating & Brake Fade, 50k miles, 32 oz.