2012 Mercedes-Benz Boxer OF

The 2012 Mercedes-Benz Sprinter (known as the “Boxer OF” in some markets, although this designation isn’t universally applied) is a popular van known for its versatility and reliability. Engine options for the 2012 Sprinter typically include a 2.1L four-cylinder diesel and a 3.0L V6 diesel. The 3.0L V6 diesel engine produces around 188 horsepower and 325 lb-ft of torque. Sprinter owners often appreciate its spacious cargo area, fuel efficiency (for a van), and overall driving comfort. Common complaints revolve around the cost of maintenance and repairs, as well as some specific issues related to certain components. The Sprinter uses a 5-speed automatic transmission.

Engine

3.0L V6 Diesel

• Oil Cooler Leaks
  • Description/Symptoms: Oil leaking externally, often noticed as puddles under the vehicle or a burning smell. Decreased oil level.
  • Solution: Replacement of the oil cooler and associated seals/gaskets.
  • Estimated Cost to Fix: $800 - $1,500+
  • Recalls: None Found
• Glow Plug Failure
  • Description/Symptoms: Difficulty starting, especially in cold weather. Check engine light illuminated. Diagnostic trouble codes (DTCs) related to glow plug circuit malfunctions.
  • Solution: Replacement of faulty glow plug(s). It’s generally recommended to replace all glow plugs at once.
  • Estimated Cost to Fix: $200 - $500
  • Recalls: None Found

2.1L Four-Cylinder Diesel

• Fuel Injector Issues
  • Description/Symptoms: Rough idling, misfires, reduced power, excessive smoke from exhaust, check engine light illuminated.
  • Solution: Diagnosis and replacement of faulty fuel injector(s).
  • Estimated Cost to Fix: $400 - $1,000+ per injector
  • Recalls: None Found

Transmission

5-Speed Automatic

• Torque Converter Failure
  • Description/Symptoms: Shuddering during gear shifts, especially between 2nd and 3rd gear. Transmission slipping.
  • Solution: Torque converter replacement.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found
• Valve Body Issues
  • Description/Symptoms: Hard or erratic shifting, delayed engagement, transmission slipping.
  • Solution: Valve body replacement or rebuild.
  • Estimated Cost to Fix: $800 - $2,000+
  • Recalls: None Found

Suspension

• Leaf Spring Sagging/Breakage
  • Description/Symptoms: Rear of the van sitting lower than normal, especially under load. Noticeable sagging or cracking in the leaf springs.
  • Solution: Replacement of leaf springs.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found
• Front Strut Failure
  • Description/Symptoms: Excessive bouncing, poor handling, uneven tire wear.
  • Solution: Strut Replacement
  • Estimated Cost to Fix: $400 - $800+
  • Recalls: None Found

Electrical

• EGR Valve Failure
  • Description/Symptoms: Check engine light illuminated, rough idle, poor acceleration.
  • Solution: EGR valve replacement.
  • Estimated Cost to Fix: $300 - $800+
  • Recalls: None Found
• Wiring Harness Issues
  • Description/Symptoms: Intermittent electrical problems, such as malfunctioning lights, sensors, or other components. Often caused by chafing or corrosion of wiring.
  • Solution: Diagnosis and repair of the wiring harness. This can involve splicing, replacing sections of wiring, or applying protective coatings.
  • Estimated Cost to Fix: $200 - $1,000+ (depending on the severity and location of the damage)
  • Recalls: None Found

Exterior

• Sliding Door Roller Failure
  • Description/Symptoms: Difficulty opening or closing the sliding door. Grinding or squealing noises when operating the door.
  • Solution: Replacement of the sliding door rollers and/or track.
  • Estimated Cost to Fix: $200 - $600+
  • Recalls: None Found

Interior

• HVAC Blower Motor Failure
  • Description/Symptoms: No air blowing from the vents, weak airflow, or unusual noises from the blower motor area.
  • Solution: Replacement of the HVAC blower motor.
  • Estimated Cost to Fix: $200 - $500
  • Recalls: None Found

Summary The 2012 Mercedes-Benz Sprinter, while generally reliable, does have some common issues that prospective buyers should be aware of. Engine oil cooler leaks, glow plug failures, and fuel injector problems can be costly to repair. Transmission issues, particularly related to the torque converter and valve body, are also not uncommon. Suspension and electrical issues can contribute to higher overall maintenance costs. The severity of these issues can range from minor inconveniences to major mechanical failures, with repair costs varying accordingly. Potential buyers should have the vehicle inspected by a qualified mechanic before purchase to identify any existing or potential problems.