We can help diagnose fault B1617, B1618, B1628 on your Mercedes vehicle

A1 Diagnostics have all the latest Mercedes equipment and technology needed to diagnose fault codes. Fault codes such as B1617, B1618, B1628 in Mercedes vehicles and cars can be fully repaired from our garage workshop pictured below.

When you experience a fault like B1617, B1618, B1628 with your Mercedes vehicle you will get a fault code. This fault code will then explain what the symptoms are and what you need to do to service the vehicle. This month we are going to be looking at Mercedes vehicle fault codes and we start off with B1617, B1618, B1628.

Mercedes Fault Code: B1617, B1618, B1628

The B1617, B1618, B1628 is a MERCEDES-BENZ fault code and is related to the purge flow sensor circuit, the specific nature of the fault code is shown below.

• B1617 Part E19/1 (Left license plate lamp) is defective
• B1618 Part E19/2 (Right license plate lamp) is defective
• B1628 Part E2e5 (Turn signal lamp) in module E2 (Right front headlamp unit) is defective

What are causing these fault codes to be displayed are listed below.

• Faulty Wiper Rear Disable Switch
• Wiper Rear Disable Switch harness is open or shorted
• Wiper Rear Disable Switch circuit poor electrical connection
• Faulty Body Control Module (BCM)

Any of the points raised above can be why the B1617, B1618, B1628 fault code is being displayed, your Mercedes vehicle will need immediate assistance to avoid any further damage to the car.

We have Mercedes mechanics with over 20 years’ experience servicing B1617, B1618, B1628 fault codes

The B1617, B1618, B1628 fault code is a common occurrence. The B1617, B1618, B1628 we can diagnose and fix quickly and reliably. We have mechanics that can fix the B1617, B1618, B1628 fault code that have over 20 years’ experience working in our Mercedes garage, so, when you leave your Mercedes vehicle with us it is in safe hands.


When you experience a B1617, B1618, B1628 fault you will need a garage with all the latest vehicle technology to service and repair the fault. A1 Diagnostics have all the technology needed to ensure your Mercedes vehicle is serviced reliably at the most affordable prices.

If you have any queries or experience a Mercedes fault code get in touch and let us look at your vehicle and we will get you back out on the road quickly and efficiently.

Contact A1 Diagnostics

Get in touch today for expert advice or to book your vehicle in for an appointment we are happy to help you with any queries you have.

64 Sloper Road
CF11 8AB

Tel: (029 20) 220380
Fax: (029 20) 223172

Opening Times

Mon – Fri: 8:00am – 6:00pm

Email: info@a1-diagnostics.com