Threads Tagged with m278

Owners with M278 Engines - A Class Action Lawsuit

futurego on May 17, 2025

Mar 14, 2026 10:18 PM
by Johnnybgoodone

18

4,047

GL Class (X166)

belt tensioner, guide pulley, m278, torque

M278 Pulley & Belt Tensioner Torque

claytonncox on Jun 4, 2023

Mar 1, 2026 04:43 PM
by CaliBenzDriver

9

4,563

General Mercedes Discussion

biturbo, m278, mercedes, reliablility, v8amg

M278 long term owner Reliability

westcoastchief on Dec 14, 2025

Jan 10, 2026 04:53 PM
by syspklc53

4

1,249

Chain Tensioners and Camshaft Adjusters-Rattling noise on startup

BlackCLS550 on Jun 21, 2022

Oct 15, 2024 01:48 AM
by Msnrasool

2

4,799

2016 e550 m278 rwd downpipes

kcwhips on Oct 8, 2020

Dec 18, 2023 08:55 AM
by Chevota

3

2,583

Mercedes Tech Talk

2015 GL550 cylinder scoring

Dano5 on Sep 18, 2023

Oct 6, 2023 10:21 AM
by Dano5

4

2,487

GL Class (X166)

centralflorida, m278, replacement, ttv8, valve cover gaskets

'14 E550 (M278) - Valve cover gaskets replacement cost question

dmjr on Aug 7, 2023

Aug 8, 2023 03:18 PM
by JCM_MB

8

8,793

2014 E550 4MATIC Front and Rear Brake Torque Spec

claytonncox on Jun 5, 2023

Jun 9, 2023 04:48 PM
by claytonncox

3

1,588

M278 4-Matic Crank Pulley Removal?

efglover on May 10, 2023

May 10, 2023 11:48 AM
by efglover

0

571

Engine Ticking Knocking Sound

AlVoj on Jul 6, 2021

Jan 19, 2023 01:55 PM
by BOTUS

22

7,325

black smoke, exhaust, m278, misfire, w212

Multiple cylinder Misfires and black smoke in w212 with M278 engine

Ash305 on Oct 21, 2022

Oct 24, 2022 07:52 PM
by rapidoxidation

19

2,187

M278 P026A00 error - efficiency of the charge air cooler is not sufficient (2012 CLS)

amgs63dxb on Apr 17, 2022

Apr 18, 2022 04:19 PM
by PekkaH

1

3,223

Performance Upgrades & Tuning

M278 & M157 7 Sp Gearbox - Are they the same?

BlackML550 on Dec 29, 2018

Nov 19, 2021 10:02 PM
by ML550Renntech

2

2,730

w221 vs w222 which should I get

(

1 2)

Will Hunt on Sep 17, 2020

Oct 10, 2021 02:44 PM
by KNBS550

28

25,397

S550 m273 vs m278

lli on May 4, 2020

Mar 23, 2021 08:00 PM
by Arrie

8

14,030

w221 vs w222 which should I get?

Will Hunt on Sep 17, 2020

Sep 19, 2020 08:41 AM
by lionsfan54

2

3,647

4x Bimmer Owner Switching Teams?!

JDMSteven on Jul 18, 2020

Jul 29, 2020 03:52 PM
by JDMSteven

10

865

19' or 20" for soon-to-be tuned 2014 e550 coupe

Vernon Vassallo on Jul 19, 2020

Jul 19, 2020 11:26 PM
by Vernon Vassallo

0

1,205

Help2012 S550 4matic Camshaft tone ring

edwardsryan on Jun 5, 2020

Jun 5, 2020 08:04 PM
by edwardsryan

0

999

Performance Upgrades & Tuning

Swap m278 head on to m273

Will Hunt on Dec 28, 2019

Jan 1, 2020 04:47 AM
by SLcharge

1

1,171

M278 E550 Coupe Resonator delete XPipe & Muffler Delete

rereron on May 24, 2017

Jun 20, 2018 10:15 PM
by dannymic

2

7,720

High Pressure Fuel Pump Noise

rocketray_ on Sep 3, 2017

Sep 3, 2017 04:15 AM
by rocketray_

0

3,892

ECU & Exhaust system for A207 2014 E550

johnvkumar on Apr 27, 2017

May 20, 2017 08:49 PM
by johnvkumar

13

1,938

2761800009, 2781800009, fleece, m278, oil filter

Fleece filter for M278 that comes from the factory with 278-180-00-09

Mr.Fly on Apr 22, 2017

Apr 22, 2017 07:01 PM
by Mr.Fly

0

3,587

S63 AMG, S63 AMG 4Matic, S65 AMG (W222, V222)

RENNtech's new ECU tune for M278....

DATURK on Sep 21, 2016

Dec 31, 2016 04:11 PM
by DATURK

3

4,124

Eurocharged M278 October Sale (Dealer Pricing!!!)

sales@eurocharged.com on Oct 5, 2016

Oct 31, 2016 12:27 PM
by sales@eurocharged.com

3

1,345

585 HP Speedriven PKG for CLS550 - Special Price

Speedriven1 on Sep 22, 2016

Sep 22, 2016 05:17 PM
by Speedriven1

0

2,046

4pipe, 550c, amg, cats, cl55, clk55amg, cls, delete, loud, m278, mercedes, muffler, pics, remove, removing, resonator, sound, speed, w220

Resonator delete....ALL 550C OWNERS NEED TO DO THIS (PICS) (SOUND) (GTIH)

(

1 2 3 4 5)

np888 on Aug 21, 2012

Sep 1, 2016 03:03 AM
by Uda880

101

60,242

278, engine, issues, m157, m278, mercedes, problems, wiki

M157 and M278 IAT's and Summer months: Issues?

TopGun32 on Apr 25, 2013

Mar 13, 2016 06:18 PM
by e65

8

8,161

W212 AMG

m278 fault

msr1 on Feb 24, 2014

Jan 18, 2016 08:37 AM
by Energiiz

7

12,905

Mercedes Tech Talk

Weistec ECU Tune W222

Andre Wetzell on Dec 26, 2015

Dec 26, 2015 02:54 AM
by Andre Wetzell

0

2,382

2012, biturbo, cl, cls63, downpipes, engine, kleeman, kleemann, m157, m278, mercedes, pipe, tuning, turbo, upgrade, v8

KLEEMANN V8 Bi-Turbo Down Pipes are here!

Cory @ Kleemann on Aug 14, 2012

May 26, 2015 01:24 PM
by Girard@ACGautomotive

7

9,818

C218

2003, 2012, amg, benz, boost, coupe, dyno, e55, e550, eurocharged, horsepower, increase, m278, mercedes, results, stage, stock

Dyno Results - Eurocharged Stage 2 - M278 E550 Coupe

(

1 2)

venom_55 on Oct 22, 2013

May 22, 2015 10:19 AM
by PaulE550

27

26,398

2010, 2013, benz, brake, brakes, class, gl, gl450, high, m278, mb, mbworld, mercedes, pads, repaced, rotor, rotors, speed, time, vibration, warping, x166

Brake rotors

(

1 2 3)

Dalema on Jun 1, 2013

Dec 6, 2014 04:08 PM
by Dalema

58

12,338

GL Class (X166)

2013, bad, benz, ecu, engine, exhaust, m278, point, r231, renntech, sl550

SL/R231:

Performance upgrades

Jazzman777 on Mar 14, 2013

Jul 31, 2014 10:24 AM
by Steinhart

13

6,479

SL-Class (R231)

5w30?

JDoug500 on May 20, 2014

Jul 13, 2014 01:51 PM
by zibby43

13

14,426

W212 AMG

please help! just Tuned new e63 not working!

(

1 2 3 4)

harleybones on Dec 10, 2013

May 8, 2014 04:48 AM
by stevel8206

77

9,330

W212 AMG

Dealer flashed by car back to stock M278

TopGun32 on Jan 14, 2014

Feb 22, 2014 09:34 AM
by /// M

5

1,789

2012, coupe, e550, m278, speed, trap, tuned, tuning

m278 tuning

msr1 on Dec 27, 2013

Dec 30, 2013 11:14 AM
by msr1

5

2,466

c218, ecu, forum, m278, mbworld, mercedes, renntech, s550, tune, update, w222

RENNtech ECU Upgrade S 550 (W222- for M278 Biturbo)

peterkastias on Dec 28, 2013

Dec 28, 2013 02:42 AM
by peterkastias

0

3,412

coupe, cs550, dyno, ecu, kleeman, kleemann, m273, m278, problems, s550, tune, tuning, turbo, upgrade, usa, w221

KLEEMANN S550 M273 Tuning special!!

Cory @ Kleemann on Nov 17, 2011

Dec 24, 2013 08:13 PM
by DubVBenz

12

8,894

CL55 AMG, CL65 AMG, CL63 AMG (C215, C216)

Eurocharged Black Friday Sales- WED M157/M278 - $700

loungn14 on Nov 27, 2013

Nov 27, 2013 08:38 AM
by loungn14

0

653

OE Tuning 20% OFF June 2013 SALE

SALES@OETUNING on May 31, 2013

Jul 6, 2013 11:21 PM
by Kvn22

6

1,973

M-Class (W166)

14, 2013, biturbo, boost, cls550, coupe, dynoed, e500, e550, m278, mile, time, track, tuned, tuning, w212

550 Bi-Turbo Performance Numbers: Base vs. Tuned

kc2ntlh on Jun 30, 2013

Jul 3, 2013 09:10 AM
by nawlinstornado

10

8,798

20, 2013, 550, dyno, m278, mb, oe, s550, tining, tune, tuning

OE Tuning 20% OFF June 2013 SALE

SALES@OETUNING on May 31, 2013

Jul 2, 2013 06:12 PM
by SALES@OETUNING

6

1,904

engine, m278, plug, plugs, removal, spark

M278 Blue Efficiency Spark Plug R&R

kautuver on Jul 2, 2013

Jul 2, 2013 04:25 AM
by kautuver

0

838

2014, class, cylinder, deactivation, gas, m278, m278biturbo, mercedes, mileage

E500 biturbo (M278) cylinder deactivation?

BrabusCLS on Jun 24, 2013

Jun 25, 2013 02:46 PM
by BrabusCLS

6

4,684