THE MERCEDES BENZ SPECIAISTS
Diagnatech is a fully equipped and independent Mercedes Benz specialist garage in Welwyn Garden City, Hertfordshire, offering dealership level service at competitive rates. Moreover, we have incorporated the unparalleled skills of our technicians along with the latest technology into our procedures. So, we ensure to provide high-quality service for your Mercedes car, starting from a minor repair to a full-fledged replacement or rebuild.
Our technicians are certified and trained to work on Mercedes-Benz models, with the most up-to-date accreditation. Also, we have an extensive experience of 20 plus years with a huge customer base. We also use Star Diagnostic tool to diagnose and troubleshoot problems and clear fault codes on all Mercedes-Benz vehicles. Get in touch with us today for Mercedes-Benz repairs, MOT, servicing, diagnostics and professional car valeting.
MESSAGE REGARDING COVID-19 SITUATION
We would like to reassure you about the actions we are taking to ensure we continue to provide a ’business as usual’ service. With the government’s latest health & safety advice that people should work from home if they can to limit the spread of the coronavirus, we would like to inform our customers that we keep our business premises fully sanitised and we can arrange for your vehicle to be collected and returned to your doorstep, with minimal contact.
CAR MOT

Our garage is a fully authorized and approved garage for the MOT of Mercedes models. We carry out thorough inspections and pre-MOT as well.
CAR SERVICING

The mechanics and Technicians at Diagnatech are trained and certified to carry out Full servicing and repairs on all Mercedes Benz models.
CAR DIAGNOSTICS

We provide dealership level diagnostics using the latest Star diagnostics tool. So we guarantee accuracy, precision and quality.
CAR BRAKES

We provide brake repair services at competitive rates. We have in stock all the components of the braking system for replacements.
LOAN CARS

We can provide a loan car while your car is with us. Please be advised if a loan car is required. We need to reserve one for you and may need specific details.
AMG MODELS

Our skilled and experienced technicians are equipped to service, diagnose and repair your high performance AMG Mercedes-Benz here.
ELECTRIC & HYBRID

We have skilled technicians onboard to deal with electric & hybrid cars. They offer an unparalleled level of car services for electric & hybrid cars.
NEW TYRES

We provide a variety of brand new tyres and first rate tyre fitting service for all models of Mercedes Benz at very competitive rates.
MERCEDES-BENZ RELATED BRANDS

Our experienced technicians are ready to service, repair and diagnose other Mercedes-Benz brands such as SmartCar & Maybach.