Mercedes B-Class Battery Heat Exchanger | A0008350500

The battery heat exchanger (part number A0008350500) found in the Mercedes B-Class plays a crucial role in regulating the temperature of the high-voltage battery pack by transferring heat between the battery and the vehicle’s cooling system. When this component begins to fail, it can cause a range of thermal management issues that affect both performance and safety.

Common symptoms of a faulty battery heat exchanger include:

• Battery overheating or running too cold – Poor heat transfer can cause the battery to operate outside optimal temperature ranges, leading to reduced efficiency or triggering thermal protection modes.

• Dashboard warning lights – Faults in the battery cooling circuit can cause the vehicle to display coolant or high-voltage battery temperature warnings.

• Reduced electric range or performance – Thermal imbalance may force the vehicle to limit power output to prevent damage, resulting in noticeably reduced range or sluggish performance.

• Cooling system fault codes – Diagnostic scans may reveal DTCs related to the battery cooling system or coolant flow irregularities.

• Coolant leaks – Internal cracks or seal failures within the heat exchanger can cause coolant loss, which may lead to overheating or visible coolant residue under the vehicle.

If left unresolved, battery heat exchanger faults can accelerate battery wear, compromise safety, and potentially lead to costly high-voltage system repairs. Timely diagnosis and repair or replacement of the heat exchanger (A0008350500) is strongly recommended to maintain the reliability and efficiency of the B-Class hybrid or electric model.

Mercedes B-Class Battery Heat Exchanger Repair – Fast, Reliable & Cost-Effective

At VCUS, we specialise in restoring the performance of your Mercedes B-Class by repairing the A0008350500 battery heat exchanger. Our expert service is a cost-effective alternative to costly main dealer replacements and is backed by our unlimited mileage lifetime warranty for complete peace of mind.

This repair service is designed to eliminate common battery cooling faults without the need for coding or reprogramming. Simply plug the unit back in and drive away with confidence.

How to Get Your Mercedes B-Class Battery Heat Exchanger Repaired:

• Remove the battery heat exchanger (part number A0008350500) from your Mercedes B-Class.

• Fill out our [TEST FORM] and select a date for your free-of-charge collection.

  • Ensure the unit is securely packed with suitable internal protection.

  • Alternatively, you can post your unit to:

  VCUS Vehicle Control Unit Solutions
  27 St Michaels Square
  Bramcote
  Nottingham
  NG9 3HG

• We will receive and carry out your repair promptly.

• Payment is only required after the repair has been completed.

• Your repaired unit will be returned to you via Next Day Special Delivery by 1 pm.

• Reinstall your unit and enjoy a fully restored and 100% functional system—no additional programming required.

Why Choose VCUS for Your Mercedes B-Class Heat Exchanger Repair?

• Express and standard turnaround options available

• No reprogramming or coding required – plug & play

• Unlimited mileage lifetime warranty

• Significantly cheaper than dealer prices

• Hassle-free service with free collection

Don’t let a failed battery heat exchanger affect your vehicle’s performance. Book your repair today with VCUS and get back on the road quickly and cost-effectively.