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.

Close up of an RAC Mobile Mechanic underneath a car

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

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.

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

Springbank Service Station

5.0/5

We are an independent family run business serving the local community for over 35 years.At Springbank Service Station you will find a filling station under the Jet brand incorporating a shop, Jet washes, vacuum and parking.We also specialise in servicing and M O T's to all makes of vehicleAll of our new and existing customers are greeted by friendly and helpful staff.
Ayr Road Irvine, Irvine, KA12 8NF

RSC Ltd.

4.5/5

We have on site a fully equipped three ramp workshop. Our work shop philosophy is very old school, we will never carry out any work to your vehicle unless it is needed, always ask your permission to carry out any work up and above what has been agreed and do our utmost to give a fair and reasonable cost service at all times. As a result of this we have a loyal database of customers from Rickmansworth, Watford, Northwood, Hatch end, Bushy and surrounding area. We offer a wide variety of services at an extremely competitive rate especially when compared to the main dealers, these include: servicing, repairs, bodywork, tracking, tyres, air conditioning re gasses, clutches, brakes, exhausts, car audio and alarms.
Oxhey Drive, South Oxhey, Watford, WD197SE

KMK Automotive - Leatherhead

4.9/5

When you choose KMK Automotive, you’re guaranteed an excellent service from one of the most esteemed companies in Leatherhead We offer a collection and delivery service and can provide a courtesy car (subject to availability) . We undertake a wide range of services for clients, including car servicing, diagnostic repairs, and much more, ensuring that your domestic, commercial, or industrial vehicle is safe and fit for purpose. Choose us now for a superior service from dedicated experts.
Rye Brook Road, Leatherhead, KT227QG

Awan Auto Tec

4.7/5

Awan Auto Tec are an independently run garage based in Ardwick, Manchester, which has been established since 2016. We have a team of three very experienced, fully qualified City & Guilds and IMI approved technicians, who are also VOSA approved MOT testers. We carry out class 4 MOT’s in house as well as all forms of mechanical repairs, MOT repairs, maintenance work and servicing. We undertake work on all makes and models of vehicles, with no job being too big or too small. Our standard opening hours are 9-5 Monday to Friday and 9-2 on Saturday. With prior booking, Sunday appointments MAY be available. We also offer our customers a recovery at a reasonable price, with distance being no issue. We pride ourselves on the quality of our work and we use good quality original equipment parts, and we guarantee all of our work. Extra 10 % discount available upon proof of ID for; NHS staff Charity organisations Motor traders Armed forces members
Unit 1 Millgreen Street, Ardwick, Manchester, M126FB

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