Jumped started c180 now abs is on - 1994 Mercedes-Benz C-Class

If it runs well once it is started, you probably just need a new battery. If you have unusual lights on the display, you probably have a bad alternator.

It's very likely that you need a new battery. The battery might have enough charge to power the lights but it takes a lot more power to start the car. Try jump starting the car, if that works then it's your battery- you need a new one.

Have the cpu tested as jump starting (if not done properly)will cause a power surge that damages the cpu. Hence a lot of faults show up.

Hi. Thanks for your question. For issues related to brake warning lights on dash illuminated for Mercedes C180, 1996 saloon. You can visit https://www.reliable-store.com and download the entire workshop manual which includes all the information along with the diagrams for better understanding. Good day!

Have the ABS System diagnosed

if it wont run with jump leads on, probably means your battery has failed. replace the battery

all i have to say is yes

hello,try to check your fuse in excess voltage protection relay,maybe busted or check fuse number 4,12,,ty

Replace the brakeswitch. Be sure to use factory parts, they are very sensitive and aftermarkets may not work.

TEST B: BATTERY VOLTAGE OUT OF RANGE - DTC B1676
1. Check if vehicle has been jump started within past 2 weeks. If vehicle has been jump started, ABS is
okay. If vehicle has not been jump started, go to next step.
2. Using DVOM, measure voltage between positive and negative battery terminals. If voltage is 9-19 volts,
go to next step. If voltage is not 9-19 volts, diagnose charging system. See appropriate GENERATORS
article in STARTING & CHARGING SYSTEMS.
3. Turn ignition off. Disconnect 25-pin ABS control module. Install EEC-IV 60-pin Breakout Box (014-
00322). Turn ignition on. Measure voltage between breakout box terminal No. 20 and ground. If voltage
is more than 10 volts, go to next step. If voltage is less than 10 volts, repair Light Blue/Pink wire between
ABS control module and instrument panel fuse panel.
4. Turn ignition off. Measure voltage between breakout box terminal No. 25 and ground. If voltage is
greater than 10 volts, go to next step. If voltage is less than 10 volts, repair Red wire between ABS
control module and power distribution box/engine compartment fuse box.
5. Measure voltage between breakout box terminal No. 9 and ground. If voltage is greater than 10 volts, go
to next step. If voltage is less than 10 volts, repair Yellow/Light Green wire between ABS control module
and power distribution box/engine compartment fuse box.
6. Measure resistance between breakout box terminal No. 8 and ground. Also, measure resistance between
breakout box terminal No. 24 and ground. If both resistance measurements are less than 5 ohms, replace
ABS control module and repeat self-test. If either resistance measurement is greater than 5 ohms, repair
suspect Black wire between ABS control module and ground distribution.
NOTE: DTC B1676 will set if vehicle has been jump started.
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