Frequently Bought Together
Mercedes-Benz M278 4.7L V8 Engine Water Pump A2782001201 S550 E550 CL550 CLS550 GL550 ML550
Fitment
| Brand | Model | Year |
|---|---|---|
| MERCEDES-BENZ | CLS 500 (C218) | 2011 - 2017 |
| MERCEDES-BENZ | CLS 500 4-matic (C218) | 2011 - 2017 |
| MERCEDES-BENZ | CLS 63 AMG (C218) | 2011 - 2017 |
| MERCEDES-BENZ | CLS 63 AMG (C218) | 2013 - 2017 |
| MERCEDES-BENZ | CLS 63 AMG 4-matic (C218) | 2013 - 2017 |
| MERCEDES-BENZ | CLS Shooting Brake 500 (X218) | 2012 - 2017 |
| MERCEDES-BENZ | CLS Shooting Brake 500 4-matic (X218) | 2012 - 2017 |
| MERCEDES-BENZ | CLS Shooting Brake 63 AMG (X218) | 2012 - 2017 |
| MERCEDES-BENZ | CLS Shooting Brake 63 AMG (X218) | 2013 - 2017 |
| MERCEDES-BENZ | CLS Shooting Brake 63 AMG 4-matic (X218) | 2013 - 2017 |
| MERCEDES-BENZ | E 500 (W212) | 2011 - 2015 |
| MERCEDES-BENZ | E 500 4-matic (W212) | 2011 - 2015 |
| MERCEDES-BENZ | E 63 AMG (W212) | 2011 - 2016 |
| MERCEDES-BENZ | E 63 AMG (W212) | 2013 - 2016 |
| MERCEDES-BENZ | E 63 AMG 4-matic (W212) | 2013 - 2016 |
| MERCEDES-BENZ | E-CLASS Convertible E 500 (A207) | 2011 - 2016 |
| MERCEDES-BENZ | E-CLASS Coupe E 500 (C207) | 2011 - 2016 |
| MERCEDES-BENZ | E-CLASS T-Model E 500 (S212) | 2011 - 2016 |
| MERCEDES-BENZ | E-CLASS T-Model E 500 4-matic (S212) | 2011 - 2016 |
| MERCEDES-BENZ | E-CLASS T-Model E 63 AMG (S212) | 2011 - 2016 |
| MERCEDES-BENZ | E-CLASS T-Model E 63 AMG (S212) | 2013 - 2016 |
| MERCEDES-BENZ | E-CLASS T-Model E 63 AMG 4-matic (S212) | 2011 - 2016 |
| MERCEDES-BENZ | E-CLASS T-Model E 63 AMG 4-matic (S212) | 2013 - 2016 |
| MERCEDES-BENZ | AMG G 63 (W463) | 2015 - 2018 |
| MERCEDES-BENZ | G 63 AMG (W463) | 2012 - 2018 |
| MERCEDES-BENZ | G 63 AMG 6x6 (W463) | 2014 - 2018 |
| MERCEDES-BENZ | GL 500 4-matic (X166) | 2012 - 2015 |
| MERCEDES-BENZ | GL 500 4-matic (X166) | 2014 - 2015 |
| MERCEDES-BENZ | GL 63 AMG 4-matic (X166) | 2012 - 2015 |
| MERCEDES-BENZ | GLE 500 4-matic (W166) | 2015 - 2018 |
| MERCEDES-BENZ | GLE AMG 63 4-matic (W166) | 2015 - 2018 |
| MERCEDES-BENZ | GLE AMG 63 S 4-matic (W166) | 2015 - 2018 |
| MERCEDES-BENZ | GLE Coupe 500 4-matic (C292) | 2015 - 2019 |
| MERCEDES-BENZ | GLE Coupe AMG 63 4-matic (C292) | 2015 - 2019 |
| MERCEDES-BENZ | GLE Coupe AMG 63 S 4-matic (C292) | 2015 - 2019 |
| MERCEDES-BENZ | GLS 500 4-matic (X166) | 2015 - 2019 |
| MERCEDES-BENZ | GLS AMG 63 4-matic (X166) | 2015 - 2019 |
| MERCEDES-BENZ | ML 500 4-matic (W166) | 2012 - 2015 |
| MERCEDES-BENZ | ML 63 AMG 4-matic (W166) | 2011 - 2015 |
| MERCEDES-BENZ | S 500 CGI (W221, V221) | 2011 - 2013 |
| MERCEDES-BENZ | S 500 CGI 4-matic (W221, V221) | 2011 - 2013 |
| MERCEDES-BENZ | S 550 (W221, V221) | 2011 - 2013 |
| MERCEDES-BENZ | S 63 AMG (W221, V221) | 2011 - 2013 |
| MERCEDES-BENZ | S 63 AMG (W221, V221) | 2012 - 2013 |
| MERCEDES-BENZ | S 500 (W222, V222, X222) | 2013 - 2017 |
| MERCEDES-BENZ | S 500 4-matic (W222, V222, X222) | 2013 - 2017 |
| MERCEDES-BENZ | S 500 Maybach (W222, V222, X222) | 2014 - 2017 |
| MERCEDES-BENZ | S 500 Maybach 4-matic (W222, V222, X222) | 2015 - 2017 |
| MERCEDES-BENZ | S 63 AMG (W222, V222, X222) | 2013 - 2017 |
| MERCEDES-BENZ | S 63 AMG 4-matic (W222, V222, X222) | 2013 - 2017 |
| MERCEDES-BENZ | S-CLASS Convertible AMG S 63 (A217) | 2016 - 2017 |
| MERCEDES-BENZ | S-CLASS Convertible AMG S 63 4-matic (A217) | 2015 - 2017 |
| MERCEDES-BENZ | S-CLASS Convertible S 500 (A217) | 2015 - 2017 |
| MERCEDES-BENZ | S-CLASS Coupe CL 500 (C216) | 2011 - 2013 |
| MERCEDES-BENZ | S-CLASS Coupe CL 500 4-matic (C216) | 2011 - 2013 |
| MERCEDES-BENZ | S-CLASS Coupe CL 63 AMG (C216) | 2010 - 2013 |
| MERCEDES-BENZ | S-CLASS Coupe CL 63 AMG (C216) | 2011 - 2013 |
| MERCEDES-BENZ | S-CLASS Coupe S 500 (C217) | 2014 - 10.2017 |
| MERCEDES-BENZ | S-CLASS Coupe S 500 4-matic (C217) | 2014 - 2017 |
| MERCEDES-BENZ | S-CLASS Coupe S 63 AMG (C217) | 2014 - 2017 |
| MERCEDES-BENZ | S-CLASS Coupe S 63 AMG 4-matic (C217) | 2014 - 2017 |
| MERCEDES-BENZ | SL 500 (R231) | 2012 - 2020 |
| MERCEDES-BENZ | SL 500 (R231) | 2015 - 2020 |
| MERCEDES-BENZ | SL 63 AMG (R231) | 2012 - 2019 |
| MERCEDES-BENZ | SL 63 AMG (R231) | 2014 - 2019 |
| MERCEDES-BENZ | SL 63 AMG (R231) | 2018 - 2019 |
Specifications
- Description
- Shipping
- Reviews
Mercedes-Benz M278 4.7L V8 Engine Water Pump, A2782001201
This is an engine water pump, part number A2782001201 (also written 2782001201 and A 278 200 12 01), for the Mercedes-Benz M278 4.7L twin-turbo V8. The water pump circulates coolant through the engine. A leaking or failing pump causes coolant loss, overheating and engine damage.
Quick Facts:
- Product: Engine water pump (1 piece), belt driven
- Part Number: A2782001201 (also A 278 200 12 01, 2782001201)
- Engine: M278 4.7L twin-turbo V8
- Fits: Mercedes-Benz S550, E550, CL550, CLS550, GL450, GL550, ML550
- Model Years: 2011-2020
Vehicle Compatibility (M278 4.7L V8):
- Mercedes-Benz S550: 2012-2017
- Mercedes-Benz E550: 2012-2014
- Mercedes-Benz CL550: 2011-2014
- Mercedes-Benz CLS550: 2012-2018
- Mercedes-Benz GL450: 2013-2014
- Mercedes-Benz GL550: 2013-2016
- Mercedes-Benz GLS550: 2017-2019
- Mercedes-Benz ML550: 2012-2014
Confirm the M278 engine code and VIN before ordering.
Signs the Water Pump Needs Replacing:
- Coolant leak at the front of the engine or under the car
- Low coolant warnings or repeated coolant top-ups
- Engine overheating or temperature rising in traffic
- Whining or grinding noise from the pump
- Coolant stains or crusted residue around the pump
Installation Notes:
- Fit a new pump gasket and seals
- Inspect the thermostat and turbocharger coolant lines, and replace them if worn
- Refill with the correct Mercedes-Benz approved coolant and bleed the system
- Check for leaks after the first run
- Professional installation recommended
Frequently Asked Questions:
Which Mercedes models use water pump A2782001201?
It is used on M278 4.7L V8 models including the S550, E550, CL550, CLS550, GL450, GL550 and ML550. Confirm your engine code and VIN before ordering.
What engine is this water pump for?
It is for the Mercedes-Benz M278 4.7L twin-turbo V8.
What are the symptoms of a failing M278 water pump?
Coolant leaks, low coolant warnings, overheating and a whining noise from the front of the engine are the common signs.
Should I replace the thermostat and coolant lines with the water pump?
It is good practice to inspect them and replace worn parts, since the M278 turbocharger coolant lines and thermostat are commonly serviced together with the pump.
OEM Cross-References: A2782001201, 2782001201, A 278 200 12 01, 2782000501
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|---|---|
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