Engine Fade when Braking

1997- Present: ML320, ML430, ML55AMG, ML280CDI 4matic, ML320CDI 4matic, ML420CDI 4matic, ML350 4matic, ML500 4matic, ML63AMG 4matic, GL 320CDI, GL420CDI, GL450, GL550, GLK220CDI, GLK280, GLK350, GLK320CDI, GL350 CDI, GL400, GL500
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Max2004
Dernburg Wagon
Posts: 7
Joined: Wed 12 Aug, 2015 10:19 am
Model you own: w163

Engine Fade when Braking

Post by Max2004 » Fri 18 Mar, 2016 10:21 am

Have recently had the injectors resealed etc and all is running really well except that I have noticed when I apply my foot brake the engine revs drop slightly and pick up is down a little. Sounds like a vacuum loss somewhere odes anyone have any ideas?

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Bartman4800
300 SLR
Posts: 1905
Joined: Fri 10 Oct, 2008 12:10 am
Model you own: w111
Location: Perth WA

Re: Engine Fade when Braking

Post by Bartman4800 » Fri 18 Mar, 2016 4:31 pm

a leak in the brake booster?
1963 220 Sb Sedan "Kermit" (Australian Assembly)
1960 220 Sb Sedan "Zum Schlachten" (Early German Assembly, with a torsion bar spring for the bonnet) - Stored in Country WA
1981 Subaru Brumby 1.8 with Weber and 5-speed box "little utie" - Sold to another enthusiast!
2006 Ford Focus "daily driver"
2002 VW Passat V6 30V Station Wagon (SOLD - This car into a money pit)
2011 Kia Sportage "Missus commuter Bus"
2002 Mitsubishi Rosa Bus (converting it to a motor home)

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