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S G Swansea Mercedes-Benz South Wales are part of The Sinclair Group, a family run business which is firmly established as the largest and most successful motor group in Wales. Our Mercedes-Benz retailers are located in Cardiff, Bridgend, Swansea and Neyland. Offering extensive coverage for customers through the Welsh M4 corridor.

Having started life in 1945 as a family business in Port Talbot, Sinclair Group become a service agent for Mercedes-Benz in 1990 and since 2002 the group has held the sole passenger car franchise for the whole of South Wales.
Services
Our online portal, My Service, lets you get an instant quote for a service, MOT, diagnosis, or fixed price repair, then book your car in to a Mercedes-Benz Retailer at a time that suits you. With Mercedes-Benz Express Service, two dedicated Technicians will get you back on the road quickly with Service A in 1 hour or Service B in 2 hours* leaving you free to get on with your day.
The A-Class redefines the compact class with previously unseen levels of luxury and advanced technology. Dynamic and agile, yet spacious and comfortable: the new Mercedes-Benz B-Class combines the best of both worlds. This brand new Saloon, one of the most traditional automotive shapes, meets the A-Class, one of our most innovative, revolutionary vehicles.
Mercedes-EQ is the electric mobility brand of Mercedes-Benz, made up of a range of electric cars. The Mercedes-EQ brand isn't just about the luxurious cars, but also the innovative and convenient services that come with them to enhance your overall ownership experience. Read on to explore the Mercedes-Benz range and find out which kind of Mercedes-EQ or hybrid car is right for you.
4MATIC is far more than just a standard 4 wheel drive. This system automatically adjusts to allow you to drive across different types of terrain and road surface. If any of the four wheels begins to slip, power is automatically sent to the opposite wheel - no matter which wheel. Even if three of the four wheels are affected, the fourth wheel will adjust to support your driving conditions.
Reviews (8)
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Brad Culverwell
Apr 21, 2022
The salesman was very helpful. Thinking about changing the car
Alun Davies
Mar 02, 2022
Absolute Shambles. I took my vehicle here for a service in 2021 as it had to go to a main dealer due to the warranty requirements. I informed the guy in the service department I believed i had a slow puncture and could this be checked. On collection of the vehicle he stated there was no issues whatsoever and after charging an extortionate amount of money for the service I drove off, Three miles later I had to stop as the tyre pressure was down and located a nail embedded in the middle of the tyre.

This was obviously not checked and i was blatantly lied to. I contacted Mercedes to inform them and never got a response. I would not take my vehicle to these cowboys unless I had to. Absolutely Diabolical customer service.
Paul Newberry
Feb 17, 2022
Great experience. All you want from a main dealer and very easy access too. Superb staff and mechanics also
Jof Williams
Jan 20, 2022
Really disappointed and I will not return. I took my car in because there was a warning light on the dash and something leaking onto my drive. After paying for the diagnostic I was assured that there was nothing wrong with my vehicle. When I voiced my concern about the leak on the drive the technician said that it is probably condensation from the aircon unit.

A week later I drove the car to Scotland for a holiday. A couple of days before the end I had to call my breakdown provider because fluid had leaked over my alloy wheel and corroded it. The mechanic asked if I had recently had brake work done because he explained that the bleed nipple was loose, was missing a cap and had sheered off. When I returned home I called Mercedes Bridgend to explain that I was very concerned that the issue was missed by their technician when brakes are one of the most important safety features on a car and I now needed my alloy to be refurbished and the bleed nipple replacing not to mention the last few days of my holiday being ruined.

They tried to fob me off with ridiculous excuses like the issues happened just over a week after my visit to the garage, it would have been a 'hard drive' to Scotland, it was a coincidence that the warning light appeared on the dash and there was a leak on the drive. Obviously I said that I was not buying such excuses and that I understand we are all human and mistakes can be made but I now expect the garage to put right the problems.

I would have expected the garage to refurb the wheel, replace the bleed nipple and refund the cost of the diagnostic. Unfortunately, they only agreed to refund the diagnostic and I had to cover the cost of the refurb and replacement bleed nipple myself. Another reason that I will not return to this garage is because the last time my mum's car was in with them they drove another car into it and had to repair it.
Kelly Davies
Nov 16, 2021
Very poor customer service and quite frankly rude and snobby. Came here today with intentions of buying a car we had already seen on the website. Could get no help, no sorry just we are very busy. Front of house lady rude and sales men ignorant. First and last time here. You just lost a sale of a 35k car.
James Hearne
Oct 31, 2021
Booked my car in for service and software update - excellent welcome and service from start to finish - service advisor (josh) kept me fully updated during the day. Drop off and pick up easy. Welcome from receptionist (as had my children with me) was professional and friendly too - recommended!
Leigh Morgan
Sep 04, 2021
Probably unlikely to purchase another Mercedes & certainly would not have it serviced with Sinclair Bridgend. C220d only a few weeks out of warranty & had an air conditioning fault, that they weren't even prepared to diagnose for me FOC. Experiencing that kind of attitude certainly has put me off ever returning.
Iain Ian
Mar 27, 2021
Recently made an approved used purchase from Bridgend Mercedes and I have to say it was for me the best car purchase in my 35 years of driving. I felt that Liam H from the initial email contact, personal car video to finally meeting in person was very professional. I wasn't patronised / pressured or rushed in any way and felt very valued as a customer completely through the whole Mercedes car buying process.

The handover with Susanna C was top drawer also with no questions left un-answered and everything on the car explained. Everything for me was absolutely fantastic and felt very relaxed and pleased that I bought a car from Bridgend Mercedes!