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Hello guys, I drive w212 e250 204PS. Today I went to do a Dyno test but car is not even showing its own PS and NM. There are no error codes after diagnose. Also we did a live data check for turbo, idle 1 bar. 3rd gear from 1500rpm it goes 3+ bar. Below is the dyno graph. Any idea what is wrong with my car?
curious but what is 204PS?
what year?
what should HP be?
IS this drive wheel numbers or did they multiply by some GUESS number as to what drivetrain losses are?
you do lose HP with engine age but not a bunch.. depends on wear.
year 2011
2 months ago i had replaced the intake manifold mine was leaking air. But what is interesting with leaking intake manifold car had great power. After we replaced it trust me even if i kickdown 1st gear esp wont blink. Today i am changing it again to see if power will be the same.
173 dyno/actual wheel horsepower vs 201 advertised/engine brake horsepower = 14% drivetrain loss if I’m reading your numbers right, which is within expected range.
Hello guys, I drive w212 e250 204PS. Today I went to do a Dyno test but car is not even showing its own PS and NM. There are no error codes after diagnose. Also we did a live data check for turbo, idle 1 bar. 3rd gear from 1500rpm it goes 3+ bar. Below is the dyno graph. Any idea what is wrong with my car?
Dyno Graph
After intake manifold replace car has back its own power. But when we remap again wont give us good results. It is only gain 10hp more with file which should give us at least 30hp more.
What engine is on your car? From the torque rating I'm suspecting it's a diesel. If the readings are in wheel HP and torque they are not that far off, but there's a somewhat weird behavior on your torque output past 2.800RPM.
Ditto what need2speed says.
Our US models of OM651 are rated for only 195 HP or 197 PS, yet I don't complain.
I had the same engine in "barn door" Sprinter, where it was derated down to 162 HP, yet pulled huge van and even boat behind fine, still delivering >20 mpg
Can't have miraculous economy and top end performance, although IMHO it is getting closer.
It should have a twin turbo gasoline 1.8 liter CGI engine . Well, he can get his engine tuned but then he should use nothing but premium fuel . I know it from my experience
What engine is on your car? From the torque rating I'm suspecting it's a diesel. If the readings are in wheel HP and torque they are not that far off, but there's a somewhat weird behavior on your torque output past 2.800RPM.
i did changed intake manifold and now car is back to its own power 199hp-201hp after few dyno tests. We remap it but now wont gain more than 10hp. Tried few different files. About rpm yeah you are right still same. Maybe ill get a map online.
with map file still same rpm drop near 3000rpm.
Last edited by CryptoWins; Sep 30, 2023 at 08:30 AM.
What engine is on your car? From the torque rating I'm suspecting it's a diesel. If the readings are in wheel HP and torque they are not that far off, but there's a somewhat weird behavior on your torque output past 2.800RPM.
Originally Posted by BenzV12
It should have a twin turbo gasoline 1.8 liter CGI engine . Well, he can get his engine tuned but then he should use nothing but premium fuel . I know it from my experience
Originally Posted by CryptoWins
i did changed intake manifold and now car is back to its own power 199hp-201hp after few dyno tests. We remap it but now wont gain more than 10hp. Tried few different files. About rpm yeah you are right still same. Maybe ill get a map online.
with map file still same rpm drop near 3000rpm.
Answer the question, what engine is in your vehicle. FYI I find it hard to believe that a 1.8l twin turbo gasser redlines at 4100 rpm, could be but thats more diesel engine area. Benzv12 these came in diesels and gassers why would you say it only comes in guzzler fuel?
Answer the question, what engine is in your vehicle. FYI I find it hard to believe that a 1.8l twin turbo gasser redlines at 4100 rpm, could be but thats more diesel engine area. Benzv12 these came in diesels and gassers why would you say it only comes in guzzler fuel?
I assumed 1.8 twin turbo engines came in gasoline only .W 212 only came with 2.1 liter diesels as the smallest engine more correctly the smallest engine used in the W212s were 2.1 liters . I have not stumbled upon a 1.8 liter engine used in W212s
The OM651 diesel is originally 1,8l engine, who later on become 2.1l although it comes with several different badges and commonly is listed as 2l.
That said my GLE with this engine is badges as 300d.
i did changed intake manifold and now car is back to its own power 199hp-201hp after few dyno tests. We remap it but now wont gain more than 10hp. Tried few different files. About rpm yeah you are right still same. Maybe ill get a map online.
with map file still same rpm drop near 3000rpm.
If your engine is the OM651 twin-turbo, the drop could be either normal behavior (when the ECU changes from the smaller to the larger turbo) or it could indicate an issue with the twin-turbo unit. I imagine the boost transference between the turbo units should happen smoother them that.
Being a diesel engine (always works lean), I think the best way to add power is by adding more fuel. You might need to change injectors/HP fuel pump in order to get any significant results.
I assumed 1.8 twin turbo engines came in gasoline only .W 212 only came with 2.1 liter diesels as the smallest engine more correctly the smallest engine used in the W212s were 2.1 liters . I have not stumbled upon a 1.8 liter engine used in W212s
Wasnt really looking at liters more RPMs and the HP rating of the engine which is discribed as a diesel by MB. Maybe they have a matching gasser not sure.
Originally Posted by Andre Cateb
If your engine is the OM651 twin-turbo, the drop could be either normal behavior (when the ECU changes from the smaller to the larger turbo) or it could indicate an issue with the twin-turbo unit. I imagine the boost transference between the turbo units should happen smoother them that.
Being a diesel engine (always works lean), I think the best way to add power is by adding more fuel. You might need to change injectors/HP fuel pump in order to get any significant results.
Careful with this assumption, depends if the person has emissions or not. Do ya have a diesel that you have modded or is it similar to this engine?
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