Q: Does my 2014 Mercedes CLA250 need a new headlight assembly?

asked by on

I was told by Mercedes of Atlanta that I needed a new headlight assembly without giving a detail explanation as to why. A couple of weeks later I called to get the specifics and was told that the Controller was damaged. I would like to know should I purchase a new head light assembly or purchase the controller? Also what is the ballast? I took a look at the wiring harness and the last two openings on the plug look fried. Also, the daytime lights and the right turn signal still works. The low beam does not come on, and the right signal is some what indifferent to the left turn signal.
I have xenon headlights My car has 52000 miles.
My car has an automatic transmission.

Your vehicle has high intensity discharge (HID) headlamps. The headlamp control module is used to control the lights. Looking at the repair information for your vehicle, it looks like the module bolts to the bottom of the headlamp assembly and can be replaced separately. The ballast is also listed as a separate "control module" by Mercedes as is mounted under the main module. It’s the job of the ballast to regulate the voltage supplies to the HID lights. If the connector looks "fried", the headlamp assembly was probably drawing too much current. More than likely the dealer is looking to replace all of the associated components to ensure a proper repair.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Does my 2014 Mercedes CLA250 need a new headlight assembly?

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Panic alarm went off and now car won't start

Hello. If you hit the panic alarm the vehicle should start once you turn it off and lock and unlock the vehicle with the key fob. If the battery in the electronic key is low then you may need to...

Q: Check engine code 0089 audi a4

Code P2181 is a general diagnostic code that simply refers to the engine operating temperature being higher or lower than a specified threshold. This may happen for a number of reasons. A technician will need to first determine if the...

Q: Glove box stuck closed.

I would take that car to the dealer and have them open the glove box. Whatever you do do not force it because it can damage the glove box and may cost around $600. It is common that the manual...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.