Close up of a car dashboard showing an enginer temperature gauge
Service, Repairs & MOT

Water pump repair for your Mercedes

Book a local RAC Approved Garage that you can trust.

  • 12-months parts guarantee
  • Honest pricing
  • Exceptional customer service

Why choose the RAC for a water pump repair?

At the RAC, we've got over 125 years' experience helping UK drivers. We have the skills and knowledge to keep your vehicle running. We'll give you results you can rely on at a price you can afford.

A water pump repair for Mercedes vehicles requires specialist tools and workshop facilities, so this work is completed through the RAC Approved Garage Network. Our approved garages service models such as A-Class, C-Class, GLC, E-Class, and EQA, following manufacturer procedures, certified equipment standards and rigorous quality checks. You receive transparent pricing, progress updates and RAC‑backed guarantees.

Close up of an RAC Mobile Mechanic underneath a car
The temperature gauge of a car on a vehicle dashboard

Book a water pump repair

The water pump helps circulate coolant through your engine, preventing overheating. If your water pump is leaking, making noise, or has failed, a water pump repair can help.

Any work done will meet the high standards set by the RAC.
We’re friendly, straightforward and jargon-free
A mechanic inspecting the underside of a vehicle.

Book a diagnostic

A mechanic will check your car for faults and talk you through any repairs you might need. There are various ways to check for faults, which could include a physical examination or plugging in to check your car’s onboard engine management system.

We’ll look for any mechanical or electrical problems. If we need to, we’ll also check your car’s onboard engine management system. Depending on your car and issue, this will usually include: – Engine – Power steering – Brakes – Transmission – Exhaust system – Fuel injection system – Cooling system and air flow – Sensors

And it’s not just water pump repairs that we can do for your Mercedes

RAC Approved Garages offer MOTs and services. Our professional mechanics have the expertise and experience to make sure your vehicle is operating safely and efficiently – results you can rely on at a price you can afford.

A close up of an RAC mobile mechanic looking under the hood of a car

Try one of our RAC Approved Garages

Cavanfields Autocentre.

4.6/5

We have been established for over 18 years now, and are very proud of the excellent reputation that we have built up. We are proud to offer you a first class customer service and very competitive pricing, so please browse our stock list. At Cavanfields Uk Ltd we stock a range of used cars to suit all budgets and lifestyles so we are sure to have the right car for you.
Pennings Road, Tidworth, Salisbury, SP97SU

Draycott Engineering ltd

4.3/5

One of Didcot's leading automotive experts. We've been trading since 1998, and in that time have built up a great reputation for providing friendly, reliable and trusted service to our local community. We cater for all makes and models and can help with any vehicle-related issue, including general repair services, routine maintenance services and class 4 MOTs. We have been located in Didcot since the beginning, and actively play a role in the community. We promote, support and regularly donate to numerous local charities that are dear to our hearts, as well as making donations to help tackle global health and environmental issues as and when they occur. We do everything we can to help people. Our team always strives to put you, the customer, first. We ensure that you are kept up to date with progress and always try to explain technical issues in a straight forward way. As members of the Good Garage Scheme and trusted by the RAC, you can count on us to uphold high standards at all times.
Richs Sidings, Broadway, Didcot, OX118AG

GJB Autos

4.2/5

Welcome to GJB Autos, we are a garage conveniently located on Littlestone Road New Romney. We serve the local community of the Romney Marsh and surrounding areas. We are proud to have been established since 1975, in North Street New Romney and moving to our current premises in Littlestone Road in 2015. GJB Autos have built a great reputation providing a professional and friendly service to all our customers. It’s important to regularly maintain and check your car, not only for your safety and the safety of drivers around you but it will also help to sell your car in the future with a comprehensive service history. GJB Autos offer a comprehensive range of services at our service center including engine diagnostics, servicing, brakes, tyres, air conditioning, ECU remapping and much more. With many years experience in the industry, we can carry out servicing on all makes and models of vehicle. GJB Autos is a VOSA approved MOT testing centre for class 1,2, and 4 and a registered member of the GoodGarageScheme.com RMI, Autofirst Network, RAC Approved/Accredited, we guarantee quality and efficient work at reasonable prices every time.
8 Littlestone Road, New Romney, Romney Marsh, TN288PL

T L Automotive Services Ltd

4.3/5

Here at TL Automotive we are a friendly and trusted independent garage dedicated to providing sensational service to you and your vehicle. We are here to build solid and trusting customer relationships based on providing a truly excellent service with great value. We want to prove to you that we will go the 'extra mile' to gain your custom and, more importantly, retain it.
Llanthony Industrial Estate, Llanthony Road, Gloucester, GL25HL

Castle Garage Staffs LTD

4.8/5

Castle Garage Staffs Ltd is a family run business, staffed by fully qualified - time served mechanics / technicians with over 22 years experience in the vehicle repairs business. Our aim is to provide competitive auto maintenance services and M.O.T. testing. We're highly experienced with a well equipped modern garage, the attention to detail of our work enables us to provide you with a customer service that we think is second to none! Castle Garage take great pride in our workmanship, and our garage facilitates us to undertake and deal with work on all marques of modern cars and light commercial vehicles. Our services include.... Engine repairs and rebuilds, gearboxes, braking systems, general servicing / repairs, exhausts, batteries, 4 wheel drives, complex diagnostics, welding, MOT work & anything you may think of that is related to motoring maintenance. For your piece of mind all of our work, including the labour and parts supplied and fitted by us, are guaranteed for one year from the date of fitting... we can't say fairer than that!
145 Liverpool Road, Castle Garage, Newcastle, ST59HF

Frequently asked questions about water pump repairs

The cost of a car water pump varies due to the cost of the pump itself, and labour involved for installation. We recommend getting a few quotes from different suppliers to better understand the cost you might expect to pay.

If your water pump isn’t working correctly, try not to drive your vehicle until it is fixed. A failing water pump can lead to engine overheating, which can cause severe damage. If you suspect your water pump is failing, it’s best to have it inspected and repaired as soon as possible.

Symptoms of a bad water pump include coolant leaks, an overheating engine, a whining noise from the front of the engine, steam from the radiator, and consistently low coolant levels. If you notice any of these symptoms, get your water pump checked by a professional.

If a car water pump fails, it can lead to your engine overheating. This can cause significant damage to your engine, resulting in costly repairs or even complete engine failure. It’s important to address any issues with your water pump as soon as you’re aware of them to avoid serious damage to your vehicle.

Water pumps typically last between 60,000 and 100,000 miles. However, it's best to follow the manufacturer's recommendations for your specific vehicle. Regular maintenance checks can help identify potential issues early.

The timing belt often needs to be removed to access the water pump, and replacing both at the same time can save on labour costs and prevent future issues. While not strictly necessary, it is a cost-effective way of keeping your car in good condition.

Replacing a water pump can take between 2 to 4 hours, depending on the make and model of your vehicle. More complex vehicles may take longer.

Replacing a water pump can be challenging, especially for those without mechanical experience. We recommend you employ a professional mechanic to perform the replacement and make sure it’s done correctly and safely.

Whether your water pump is covered under warranty depends on the terms and conditions. It’s best to check with your vehicle's manufacturer or warranty provider for details.

Yes, a bad water pump can affect your car's heating system. The water pump is responsible for circulating coolant through the engine and heater core. If the pump fails, it can mean that not enough coolant flows through the engine, causing the heating system to function improperly.

It’s important to use the coolant type recommended by your vehicle's manufacturer. Using the right coolant helps to make sure optimal performance and longevity of the water pump and cooling system. Always check your vehicle's owner manual for the recommended coolant type.

Several factors can cause a water pump to fail. They are mostly caused by poor maintenance or improper use, including:

  • Using incorrect coolant
  • Contaminated coolant with debris
  • Poor-quality water pump materials
  • Improper installation
  • Ignoring regular maintenance and coolant changes

Signs of a failing water pump bearing include:

  • A whining or grinding noise from the front of the engine
  • Visible wear on the water pump pulley
  • Belt tension or looseness