SL/R129: 94 SL 500 ECU Issue?
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Joined: Mar 2003
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SL 500
94 SL 500 ECU Issue?
Hello everyone,
Lately when I drive my car at a constant speed say 50 mph on a highway the car acts as if it has hick ups. For example yesterday I took the car out on the highway, I drove basically as if I was on cruise control at a set mph and the RPM's would go up and down. It felt as if I was on the accelerator and pressing on the brakes to slow the car down. The car performs this way from 30mph and up.
When I spoke to a mechanic about it he told me it could be my ECU. Could it be my transmission?
Has anyone experience this before?
Thanks in advance.
Lately when I drive my car at a constant speed say 50 mph on a highway the car acts as if it has hick ups. For example yesterday I took the car out on the highway, I drove basically as if I was on cruise control at a set mph and the RPM's would go up and down. It felt as if I was on the accelerator and pressing on the brakes to slow the car down. The car performs this way from 30mph and up.
When I spoke to a mechanic about it he told me it could be my ECU. Could it be my transmission?
Has anyone experience this before?
Thanks in advance.
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Joined: Mar 2005
Posts: 3,415
Likes: 2
some
Hello everyone,
Lately when I drive my car at a constant speed say 50 mph on a highway the car acts as if it has hick ups. For example yesterday I took the car out on the highway, I drove basically as if I was on cruise control at a set mph and the RPM's would go up and down. It felt as if I was on the accelerator and pressing on the brakes to slow the car down. The car performs this way from 30mph and up.
When I spoke to a mechanic about it he told me it could be my ECU. Could it be my transmission?
Has anyone experience this before?
Thanks in advance.
Lately when I drive my car at a constant speed say 50 mph on a highway the car acts as if it has hick ups. For example yesterday I took the car out on the highway, I drove basically as if I was on cruise control at a set mph and the RPM's would go up and down. It felt as if I was on the accelerator and pressing on the brakes to slow the car down. The car performs this way from 30mph and up.
When I spoke to a mechanic about it he told me it could be my ECU. Could it be my transmission?
Has anyone experience this before?
Thanks in advance.
yup. get a new ecu. might as well get a REnntech or som other one than stock.
mark
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SL 500
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the ECU is a chip thing, yes, all it does it replace your current one, and its about teh same price but u get more power!!
Member
Joined: Nov 2001
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From: Fort Worth, Tx
97 SL500
Hello everyone,
Lately when I drive my car at a constant speed say 50 mph on a highway the car acts as if it has hick ups. For example yesterday I took the car out on the highway, I drove basically as if I was on cruise control at a set mph and the RPM's would go up and down. It felt as if I was on the accelerator and pressing on the brakes to slow the car down. The car performs this way from 30mph and up.
When I spoke to a mechanic about it he told me it could be my ECU. Could it be my transmission?
Has anyone experience this before?
Thanks in advance.
Lately when I drive my car at a constant speed say 50 mph on a highway the car acts as if it has hick ups. For example yesterday I took the car out on the highway, I drove basically as if I was on cruise control at a set mph and the RPM's would go up and down. It felt as if I was on the accelerator and pressing on the brakes to slow the car down. The car performs this way from 30mph and up.
When I spoke to a mechanic about it he told me it could be my ECU. Could it be my transmission?
Has anyone experience this before?
Thanks in advance.
MBWorld Fanatic!
Joined: Mar 2005
Posts: 3,415
Likes: 2
some
Thread Starter
Junior Member
Joined: Mar 2003
Posts: 56
Likes: 0
SL 500
The car still rides on stock wheels/tires sizes.
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SL 500
