Startup RPM
01-16-2004, 05:40 PM
#1
MBWorld Fanatic!
Thread Starter
Startup RPM
With my other cars, like Honda, Audi, Toyota, the RPM will go to about 2K when it's cold at startup.
Over the last few days, it's like -20C to -30C in Toronto and when I started my 2004 CLK-320 in the morning, the RPM barely went up to 1K.
Is this normal?
Over the last few days, it's like -20C to -30C in Toronto and when I started my 2004 CLK-320 in the morning, the RPM barely went up to 1K.
Is this normal?
01-16-2004, 08:09 PM
#4
MBWorld Fanatic!
Join Date: Dec 2003
Location: McLean, VA
Posts: 2,295
Likes: 0
Received 0 Likes
on
0 Posts
S4
Originally posted by 04CLK500
The rpm for my car ( '04 CLK 500) goes up to ~1300 and then after 10-15 secs goes back to normal idle rpm (approx 950 i guess)
The rpm for my car ( '04 CLK 500) goes up to ~1300 and then after 10-15 secs goes back to normal idle rpm (approx 950 i guess)
01-16-2004, 09:15 PM
#5
Member
Join Date: Aug 2003
Location: Florida, East of Orlando
Posts: 162
Likes: 0
Received 1 Like
on
1 Post
2003 CLK55AMG
Re: Startup RPM
Originally posted by mis3
With my other cars, like Honda, Audi, Toyota, the RPM will go to about 2K when it's cold at startup.
Over the last few days, it's like -20C to -30C in Toronto and when I started my 2004 CLK-320 in the morning, the RPM barely went up to 1K.
Is this normal?
With my other cars, like Honda, Audi, Toyota, the RPM will go to about 2K when it's cold at startup.
Over the last few days, it's like -20C to -30C in Toronto and when I started my 2004 CLK-320 in the morning, the RPM barely went up to 1K.
Is this normal?
08-22-2010, 10:54 PM
#6
Junior Member
Join Date: May 2009
Location: Honolulu
Posts: 25
Likes: 0
Received 0 Likes
on
0 Posts
2004 CLK500 COUPE/AUTO
I have a 2004 CLK500 and when my car first starts up
the idle fluctuates between 1300-1350rpm!!!
anyone else experience this?
I tried cleaning maf, changing air filters changed fuel filter.
it's driving me crazy!
the idle fluctuates between 1300-1350rpm!!!
anyone else experience this?
I tried cleaning maf, changing air filters changed fuel filter.
it's driving me crazy!
Trending Topics
08-24-2010, 02:59 AM
#8
MBWorld Fanatic!
Join Date: Jan 2007
Location: Sydney, Australia
Posts: 1,152
Likes: 0
Received 29 Likes
on
23 Posts
190D 2.5 (x2), 190E 2.6, W202 C240,W202 C43 (C55), W210 E55, W212 E250CDI
That's perfectly normal. Basicly the idle up on cold start is purely for emmisions reasons to warm up the cats a bit quicker. On your Benz this is done by the air injection pump and retarding the ignition timing which is why it doesn't need to up the idle. The older M112/113 engines without the air injection pumps had a higher idle on cold start. Benz's also hold lower gears a bit longer for the first few shifts.
The following users liked this post:
Vincent Zara (04-24-2019)
