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1998 Mercedes Benz E430
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3 Posts
Discussion Starter #1 (Edited)
My E430 1998 have that ASR/BAS light on and no acceleration
If I replace the brake light switch will the acceleration be back on normal?
 

W163 and General Mercedes Host
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3,222 Posts
My E430 1998 have that light on and no acceleration
If I replace the brake light switch will the acceleration be back on normal?
Welcome Tony 373,

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CEL light on.
No idea if that will resolve your issue.
BLS is cheap so you can try that if you wish.
Recommend you scan and post any error codes here.

moving to w210 forum
 

Registered
1998 Mercedes Benz E430
Joined
3 Posts
Discussion Starter #3
Welcome Tony 373,

===>>> Update your user CP info....

click on your icon----> click on Account Settings---->
goto Account Details----> add vehicle details---->
ADD your make model YEAR ----> click save

CEL light on.
No idea if that will resolve your issue.
BLS is cheap so you can try that if you wish.
Recommend you scan and post any error codes here.

moving to w210 forum
I did update my profile
 

W163 and General Mercedes Host
Joined
3,222 Posts
As I stated before, swap the BLS (brake light switch). Easy and cheap R&R.
Test and report back.

Also a possibly an ABS wheel sensor defect. If one wheel is perceived to be spinning at a very different rate than the other wheels, the ASR will back off on the throttle.
Scan and post codes.
 

Registered
1998 Mercedes Benz E430
Joined
3 Posts
Discussion Starter #5
As I stated before, swap the BLS (brake light switch). Easy and cheap R&R.
Test and report back.

Also a possibly an ABS wheel sensor defect. If one wheel is perceived to be spinning at a very different rate than the other wheels, the ASR will back off on the throttle.
Scan and post codes.
Thanks for the reply and yes I ordered the BLS and once I get it and replace it will scan it and post codes
 

Premium Member
1998 E320 base sedan @ 160kmiles
Joined
6,903 Posts
A BLS will not likely affect acceleration. It is more likely a bad rear wheel speed sensor, or a bad ASR module. When wheel speed sensors at the rear different but plausible outputs (one different than the other), slips are detected by the ASR and you will have the flashing triangle on the dash. This is when the throttle is limited. The best way is to have the modules scanned with a proper scanner that can scan individual modules.
 
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