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What we do

We guarantee the highest levels of quality and performance.

General Services

Welwyn Merx is THE leading independent Mercedes Benz specialist. With the latest in computer-based diagnostic equipment and access to the most up-to-date technical workshop information, we strive to deliver a first-class service to all our customers.

MOT Test
Mot Testing

Our MOTs are carried out independently off site by appointment only.

MOT Test
Electrical Fault Finding

As technology is playing a bigger part in today’s motoring world, identifying and repairing the fault in your vehicle requires highly skilled technicians with high level technical equipment. At Welwyn Merx, we have both. Therefore, we are able to provide engine fault diagnostics to all our customers.

Mechanical Fault Finding

When it comes to repairing Mercedes mechanical parts like brake pads and discs, a specialised mechanic is always required. Welwyn Merx are highly qualified and experienced Mercedes-Benz service specialists, only using original Mercedes parts* for repairs and guaranteeing the highest level of quality and performance.

*Original equipment alternative parts available which may be cheaper to save you money on your bill.

Faults
Air Conditioning

Did you know?
Keeping your Mercedes-Benz air conditioning in continuous use helps keep the system working more efficiently, especially in the seasons you need it most. Therefore, your Mercedes air conditioning service should be maintained periodically as with any other vital Mercedes-Benz component.

Air Con
Diagnostics

Welwyn Merx boasts a wide range of up to date diagnostic equipment, including dealership level diagnostic machines. If you have any problems with your car that may require diagnostic services, please give us a call.

Diagnostics

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Mercedes-benz cars worked on

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Repeat Customers

Need a Quote?

Call us now

01707 395 999