'91 Benz 300SEL. Started having hard, cold start problem. Replaced distributer cap, rotor & plugs. (needed) Replaced Voltage Regulator. Did not help. Need some advice.

Asked by raybenz Jan 25, 2017 at 03:09 PM about the 1991 Mercedes-Benz 300-Class 4 Dr 300SEL Sedan

Question type: Maintenance & Repair

hard start when cold. ABS light comes on when starting. When it warms up,
runs ok but not peak performance. Already replaced Dist. cap, rotor, plugs.
Also replaced voltage regulator. Did not help. When warm, it starts fine.

1 Answer

223,685

Check the spark, see what it looks like, it should be white in color, not orange in color, may be a weak coil, also check the fuel pressure, if it is getting low it would cause hard starting.

Your Answer:

CarGurus Experts

  • #1
    James Ramond
    Reputation
    310
  • #2
    Paul
    Reputation
    300
  • #3
    Storm_2308
    Reputation
    260
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Mercedes-Benz SL-Class
8 Great Deals out of 129 listings starting at $9,900

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.