2021 Mercedes-Benz OH 1621

Introduction to the 2021 Mercedes-Benz OH 1621

The 2021 Mercedes-Benz OH 1621 is a heavy-duty commercial vehicle designed for a wide range of applications. It is powered by a Mercedes-Benz OM936 6-cylinder inline diesel engine, producing 210 horsepower and 810 Nm of torque. The vehicle comes equipped with a 6-speed manual transmission. Customers appreciate the OH 1621 for its reliability, durability, and fuel efficiency. However, some owners have reported issues with certain components, as detailed below.

Engine

OM936 6-cylinder Inline Diesel Engine

• Turbocharger Failure: The turbocharger can fail prematurely, leading to reduced engine power and performance. Solution: Replace the turbocharger. Estimated Cost to Fix: $2,000 - $5,000+. Recalls: None Found
• Fuel Injector Malfunction: Fuel injectors can become clogged or damaged, causing engine misfires and reduced fuel efficiency. Solution: Replace the faulty fuel injector(s). Estimated Cost to Fix: $500 - $1,000+ per injector. Recalls: None Found

Transmission

6-Speed Manual Transmission

• Synchronizer Wear: The synchronizers can wear prematurely, making it difficult to shift gears. Solution: Replace the worn synchronizers. Estimated Cost to Fix: $1,500 - $3,000+. Recalls: None Found

Suspension

• Leaf Spring Breakage: The leaf springs can break or crack under heavy loads. Solution: Replace the broken or cracked leaf springs. Estimated Cost to Fix: $500 - $1,000+ per leaf spring. Recalls: None Found

Electrical

• Alternator Failure: The alternator can fail, leading to a loss of electrical power and battery discharge. Solution: Replace the alternator. Estimated Cost to Fix: $800 - $1,500+. Recalls: None Found

Exterior

• Headlight Condensation: The headlights can accumulate condensation or fogging on the inside of the lens. Solution: Replace the headlights. Estimated Cost to Fix: $500 - $1,000+ per headlight. Recalls: NHTSA Campaign Number: 21V553000

Interior

• Dashboard Indicator Faults: The dashboard indicators, such as the speedometer or fuel gauge, may malfunction or display incorrect information. Solution: Diagnose and repair the faulty indicator or component. Estimated Cost to Fix: $500 - $1,500+. Recalls: None Found

Summary

The 2021 Mercedes-Benz OH 1621 is a generally reliable and durable vehicle. However, owners have reported some issues with the engine, transmission, suspension, electrical system, and interior. The severity and cost of these issues vary depending on the specific problem. It is recommended to have the vehicle regularly inspected and maintained to prevent or address any potential issues promptly.