1989 MERCEDES BENZ 420 Problems & Recalls
Detailed safety information and owner complaints
2
Complaints
0
Recalls
1
Crashes
0
Fires
0
Deaths
Problem Breakdown
Compare to Other Years
Common Problems
Oct 11, 2000
Engine And Engine Cooling
PLASTIC FOLLOWER APPARENTLY AGES INDEPENDENT OF MILEAGE. PIECE ON LEFT HEAD BREAKS OFF, FOLLOWS TIMING CHAIN OVER CAM GEAR, LEFT HEAD THEN OUT OF TIME FAILS CATASTOPHICALLY BENDING OR BREAKING ALL VALVES AND SOMETIMES PISTONS. ENGINE HALTS IMMEDIATELY. PROCESS IS DOCUMENTED WITH PICTURES AT WEB S...
Sep 11, 2000
Vehicle Speed Control
Crash
FRON PARKED POSITION, WHEN VEHICLE PUT IN GEAR, CAR LUNGED FORWARD AT HIGH SPEED WITHOUT ENGAGING ACCELERATOR PEDAL. BREAK WOULD NOT STOP CAR. *AK