Mercedes-Benz 190-Class - Recent Questions, Troubleshooting & Support - Page 5

Check your air pressure in your tires.

sounds like a short check if tow bar wiring is ok

Need to see if you have spark at the spark plugs. Then check fuel pressure at the engine. Do you hear the fuel pump run a few seconds when turn the key on (without cranking)? If you don't hear ir running, could be pump, relay, fuse.

if the catalytic was plugged you will not accelerate as you normally would. it may set the check engine light as well and set a code. the same is true for a bad O2 sensor, as far as setting a code. you don`t say exactly what your problem is and what`s happening.

Pull roof lining off.

NO.

Sensor malfunction . Change it

Sensor malfunction , change it