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

£235.05

Average price for this repair for your Mercedes in the last 30 days^

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

Darlington Mot Centre

5.0/5

Darlington Mot Centre Mot cars, vans , motor homes , motorbikes , trikes ,quads • Comfortable reception to wait in • Motorcycle class 1 and 2 only £25 • Class 4 cars and vans only £45 • Class 7 & motor homes up to 3.5ton only £50 • MOT's carried out up to 28 days before expiry - keep your original expiry date • Post card reminder service so you never forget your MOT again • Free re-test within 10 working days • No charge for head light adjustments We service and repair all makes of vehicles All makes serviced and repaired • Full and Interim service • Body shop repairs for those little scrapes, dings and re-sprays • Air-con new and old gasses repairs • Timing belts and engine repairs • Brake disks and pads • Exhaust and suspension • Tracking 4 wheel alignment • Tyres new and part worn • Batteries, starters and alternators • Diagnostics and engine management systems • Clutches and gear boxes
Darlington Mot Centre, 410 Whessoe Road, Darlington, DL3 0RP

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

Richardsons Colchester

4.8/5

Established in 1966 we are one of the South East's leading vehicle repair centres. We have a team of highly trained ATA staff and we are a BSI approved repair centre so you can ensure your vehicle is repaired correctly. We carry our vehicle servicing and repairs at very competitive prices but still follow the exact schedule recommended by the manufacturer and your warranty is NOT compromised regardless of the age of the vehicle. We also fit parking sensors, tyres, batteries, in fact we can undertake almost any of your car needs. We have alos recently been certified as a Which Trusted Trader which the company has been audited on our ability to provide customers with a honest service quality and cost standard. See for yourself by visiting www.grahamrichardsons.co.uk
Grange Way, Colchester, CO28HG

JOHN HARRISON LOWDHAM LIMITED, Bosch Car Service

4.7/5

Welcome to John Harrison (Lowdham) Ltd - we're a family run business having been established at the same location since 1946, later being the first established Peugeot dealership in the country in 1975. We pride ourselves in customer care, with many awards over the years gained through offering the very best in customer service experiences from buying a vehicle in the sales department through to our aftersales. We thrive on repeat business, with industry leading preparation standards alongside our non-pressurised sales environment enjoyed by our customers over the last 70 years. We provide the complete range of new Peugeot's from cars through to vans, alongside a superb range of 70+ multi franchise used vehicles. Our team will take the stress out of buying a new car. All you have to do is choose the one that best suits you. Then, the team will help you select the best finance package, organise the admin and get any maintenance taken care of. If you have any questions along the way, we will be more than happy to help. We also extensive aftersales facilities with 'All Makes' Servicing, MOT's, Four Wheel Alignment and more alongside our in-house bodyshop offering minor repairs through to full body resprays.
Southwell Road, Lowdham, Nottingham, NG147DS

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