Searching for a Reliable German Car Garage in Sharjah

Hi everyone, I drive a Mercedes and recently it has been showing some minor electrical issues, so I want to get it checked before it becomes a bigger problem. I am currently looking for honest German car workshop recommendations from people who have actually serviced their vehicles in Sharjah. I prefer a place that clearly explains the repairs, provides upfront pricing, and uses quality parts. If you have had a smooth and trustworthy experience with any workshop here, I would really appreciate your suggestion and why you would go back again.