2021 Mercedes-Benz Metris — Tire Size & Pressure

Quick Answer

• OEM Tire Size: 235/55R17
• Recommended Cold Tire Pressure (Door Placard): Refer to your specific vehicle's door placard for exact inflation pressures, as they can vary based on cargo and passenger load. Typical range is 39-47 PSI (front) / 45-54 PSI (rear).
• Bolt Pattern: 5x112
• Wheel Size: 17x7
• Load Index/Speed Rating: 109/107H or 104H (V)
• Spare Tire Size: Full-size spare, typically 235/55R17
• TPMS Frequency: 433 MHz

Tire Sizes by Trim

Recommended Replacement Tires

When replacing tires on your 2021 Mercedes-Benz Metris, it's crucial to choose tires that match or exceed the original equipment specifications for load capacity and speed rating, especially given the Metris's role as a commercial or passenger hauler. Here are a few popular options covering different price points:

• Michelin Agilis CrossClimate (Premium Priced)
  • Known for excellent all-season traction, durability, and a comfortable ride. Ideal for those who demand top-tier performance and longevity, especially in varying weather conditions.
• Continental ContiVanContact 100 (Mid-Range Priced)
  • A robust and reliable tire designed for vans, offering good handling, high load capacity, and decent wear characteristics. A solid choice for commercial use.
• General Grabber HTS60 (Value Priced)
  • Offers a good balance of performance and affordability. Provides a comfortable ride, good all-season traction, and a durable tread, making it a strong contender for budget-conscious owners.

When to Inflate to Max Load PSI

The Mercedes-Benz Metris is a commercial van and is designed to carry significant loads. Therefore, understanding tire inflation relative to load is critical. While most passenger vehicles operate best at the door placard's recommended "cold" tire pressure for everyday driving, vans like the Metris have specific recommendations for higher loads.

Always refer to the tire placard located on the driver's side door jamb for the most accurate and up-to-date information for your specific vehicle. This placard will typically provide two sets of recommendations: one for light load and another (often higher) for maximum load. It is essential to inflate your tires to the maximum load PSI when you are carrying heavy cargo, a full complement of passengers, or towing.

Running underinflated tires with a heavy load can lead to:

• Reduced fuel economy
• Premature tire wear, especially on the shoulders
• Increased risk of tire failure due to heat buildup
• Compromised handling and braking stability

Conversely, overinflating tires when lightly loaded can result in a harsher ride, uneven wear (center of the tread), and a smaller contact patch with the road, potentially reducing grip.

Lug Nut Torque & Pattern

• Lug Nut Torque: Consult your owner's manual for the precise torque specification. For most Mercedes-Benz vehicles with 5x112 bolt pattern, a common range is 130-150 Nm (96-111 ft-lbs). Always use a torque wrench to ensure proper tightening.
• Lug Nut Pattern: When reattaching wheels, always tighten lug nuts in a star or crisscross pattern. This ensures the wheel is seated evenly against the hub and prevents warping of the brake rotor or wheel.

Common Tire Issues for This Vehicle

2021 Mercedes-Benz Metris owners may experience some common tire-related issues, often influenced by driving conditions, loading practices, and maintenance habits:

• Uneven Wear: Due to its potential for carrying heavy loads, improper tire pressure (especially underinflation with heavy loads) can accelerate uneven wear, often more pronounced on the shoulders of the tires. Regular rotations and proper inflation are key to mitigating this.
• Cupping or Scalloping: This can indicate worn suspension components (shocks, struts), imbalanced wheels, or alignment issues. If you notice a wavy wear pattern on your tire tread, have your suspension and alignment checked promptly.
• Fast Wear: Commercial use and frequent heavy loads can lead to tires wearing out more quickly than expected. Choosing tires with higher treadwear ratings and those designed for commercial applications can help extend tire life.
• TPMS Malfunctions: While generally reliable, TPMS sensors can occasionally fail due to battery depletion (typically after 5-7 years) or damage during tire changes. Ensure sensors are properly handled during tire service.

Maintaining proper tire inflation, performing regular rotations, and addressing any alignment or suspension issues promptly will help ensure optimal tire life, safety, and performance for your Metris.

Need new tires? Find a trusted shop on Repairius.